PMID-sentid Pub_year Sent_text comp_official_name comp_offset protein_name organism prot_offset 2556389-3 1989 When air-saturated borate buffer (pH 9.0) containing linoleic acid or arachidonate acid was mixed with lipoxygenase, fatty acid-derived peroxyl free radicals were readily detected; these radicals have a characteristic g-value of 2.014. fatty acid-derived peroxyl free radicals 117-157 linoleate 9S-lipoxygenase-4 Glycine max 103-115 2556389-0 1989 Lipid peroxyl radical intermediates in the peroxidation of polyunsaturated fatty acids by lipoxygenase. perhydroxyl radical 6-21 linoleate 9S-lipoxygenase-4 Glycine max 90-102 2556389-8 1989 Arachidonate peroxyl radical formation was shown to be dependent on the substrate, active lipoxygenase, and molecular oxygen. arachidonate peroxyl radical 0-28 linoleate 9S-lipoxygenase-4 Glycine max 90-102 2556389-0 1989 Lipid peroxyl radical intermediates in the peroxidation of polyunsaturated fatty acids by lipoxygenase. Fatty Acids, Unsaturated 59-86 linoleate 9S-lipoxygenase-4 Glycine max 90-102 2556389-2 1989 Lipid peroxyl radicals resulting from the peroxidation of polyunsaturated fatty acids by soybean lipoxygenase were directly detected by the method of rapid mixing, continuous-flow electron spin resonance spectroscopy. perhydroxyl radical 6-22 linoleate 9S-lipoxygenase-4 Glycine max 97-109 2513351-1 1989 Activity of trout gill and soybean lipoxygenase was inhibited by various low concentrations of tri-n-butyltin, di-n-butyltin and n-butyltin chlorides at pH 7.8. tributyltin 95-109 linoleate 9S-lipoxygenase-4 Glycine max 35-47 2556389-2 1989 Lipid peroxyl radicals resulting from the peroxidation of polyunsaturated fatty acids by soybean lipoxygenase were directly detected by the method of rapid mixing, continuous-flow electron spin resonance spectroscopy. Fatty Acids, Unsaturated 58-85 linoleate 9S-lipoxygenase-4 Glycine max 97-109 2556389-3 1989 When air-saturated borate buffer (pH 9.0) containing linoleic acid or arachidonate acid was mixed with lipoxygenase, fatty acid-derived peroxyl free radicals were readily detected; these radicals have a characteristic g-value of 2.014. air-saturated borate 5-25 linoleate 9S-lipoxygenase-4 Glycine max 103-115 2513351-4 1989 Although tri-n-butyltin (0.067-0.2 mM; 13-68% inhibition) was less inhibitory to soybean lipoxygenase, di-n-butyltin (0.134-0.537 mM; 51-75% inhibition) and n-butyltin (0.41-1.23 mM; 33-75% inhibition) were more inhibitory towards soybean lipoxygenase compared with trout gill lipoxygenase. tributyltin 9-23 linoleate 9S-lipoxygenase-4 Glycine max 89-101 2557901-2 1989 Recent studies showed that soybean lipoxygenase inhibitors like phenidone and nordihydroguaiaretic acid (NDGA) reduce the catalytically active ferric lipoxygenase to its inactive ferrous form. phenidone 64-73 linoleate 9S-lipoxygenase-4 Glycine max 35-47 2557901-2 1989 Recent studies showed that soybean lipoxygenase inhibitors like phenidone and nordihydroguaiaretic acid (NDGA) reduce the catalytically active ferric lipoxygenase to its inactive ferrous form. phenidone 64-73 linoleate 9S-lipoxygenase-4 Glycine max 150-162 2557901-2 1989 Recent studies showed that soybean lipoxygenase inhibitors like phenidone and nordihydroguaiaretic acid (NDGA) reduce the catalytically active ferric lipoxygenase to its inactive ferrous form. Masoprocol 78-103 linoleate 9S-lipoxygenase-4 Glycine max 35-47 2557901-2 1989 Recent studies showed that soybean lipoxygenase inhibitors like phenidone and nordihydroguaiaretic acid (NDGA) reduce the catalytically active ferric lipoxygenase to its inactive ferrous form. Masoprocol 78-103 linoleate 9S-lipoxygenase-4 Glycine max 150-162 2557901-2 1989 Recent studies showed that soybean lipoxygenase inhibitors like phenidone and nordihydroguaiaretic acid (NDGA) reduce the catalytically active ferric lipoxygenase to its inactive ferrous form. Masoprocol 105-109 linoleate 9S-lipoxygenase-4 Glycine max 35-47 2557901-2 1989 Recent studies showed that soybean lipoxygenase inhibitors like phenidone and nordihydroguaiaretic acid (NDGA) reduce the catalytically active ferric lipoxygenase to its inactive ferrous form. Masoprocol 105-109 linoleate 9S-lipoxygenase-4 Glycine max 150-162 2557901-5 1989 Incubation of soybean lipoxygenase and linoleic acid with p-aminophenol, catechol, hydroquinone, NDGA, or phenidone resulted in the formation of the one-electron oxidation products of these compounds. 4-aminophenol 58-71 linoleate 9S-lipoxygenase-4 Glycine max 22-34 2557901-5 1989 Incubation of soybean lipoxygenase and linoleic acid with p-aminophenol, catechol, hydroquinone, NDGA, or phenidone resulted in the formation of the one-electron oxidation products of these compounds. catechol 73-81 linoleate 9S-lipoxygenase-4 Glycine max 22-34 2557901-5 1989 Incubation of soybean lipoxygenase and linoleic acid with p-aminophenol, catechol, hydroquinone, NDGA, or phenidone resulted in the formation of the one-electron oxidation products of these compounds. hydroquinone 83-95 linoleate 9S-lipoxygenase-4 Glycine max 22-34 2557901-5 1989 Incubation of soybean lipoxygenase and linoleic acid with p-aminophenol, catechol, hydroquinone, NDGA, or phenidone resulted in the formation of the one-electron oxidation products of these compounds. Masoprocol 97-101 linoleate 9S-lipoxygenase-4 Glycine max 22-34 2557901-5 1989 Incubation of soybean lipoxygenase and linoleic acid with p-aminophenol, catechol, hydroquinone, NDGA, or phenidone resulted in the formation of the one-electron oxidation products of these compounds. phenidone 106-115 linoleate 9S-lipoxygenase-4 Glycine max 22-34 2557901-6 1989 Free-radical formation depended upon the presence of the lipoxygenase and 13-HPOD. Free Radicals 0-12 linoleate 9S-lipoxygenase-4 Glycine max 57-69 2514267-8 1989 Nordihydroguaiaretic acid (NDGA), the most potent lipoxygenase inhibitor, was a competitive inhibitor with Ki = 0.29 microM. Masoprocol 0-25 linoleate 9S-lipoxygenase-4 Glycine max 50-62 2514267-8 1989 Nordihydroguaiaretic acid (NDGA), the most potent lipoxygenase inhibitor, was a competitive inhibitor with Ki = 0.29 microM. Masoprocol 27-31 linoleate 9S-lipoxygenase-4 Glycine max 50-62 2513351-4 1989 Although tri-n-butyltin (0.067-0.2 mM; 13-68% inhibition) was less inhibitory to soybean lipoxygenase, di-n-butyltin (0.134-0.537 mM; 51-75% inhibition) and n-butyltin (0.41-1.23 mM; 33-75% inhibition) were more inhibitory towards soybean lipoxygenase compared with trout gill lipoxygenase. tributyltin 9-23 linoleate 9S-lipoxygenase-4 Glycine max 239-251 2513351-1 1989 Activity of trout gill and soybean lipoxygenase was inhibited by various low concentrations of tri-n-butyltin, di-n-butyltin and n-butyltin chlorides at pH 7.8. di-n-butyltin 111-124 linoleate 9S-lipoxygenase-4 Glycine max 35-47 2513351-4 1989 Although tri-n-butyltin (0.067-0.2 mM; 13-68% inhibition) was less inhibitory to soybean lipoxygenase, di-n-butyltin (0.134-0.537 mM; 51-75% inhibition) and n-butyltin (0.41-1.23 mM; 33-75% inhibition) were more inhibitory towards soybean lipoxygenase compared with trout gill lipoxygenase. tributyltin 9-23 linoleate 9S-lipoxygenase-4 Glycine max 239-251 2513351-1 1989 Activity of trout gill and soybean lipoxygenase was inhibited by various low concentrations of tri-n-butyltin, di-n-butyltin and n-butyltin chlorides at pH 7.8. n-butyltin chlorides 129-149 linoleate 9S-lipoxygenase-4 Glycine max 35-47 2513351-4 1989 Although tri-n-butyltin (0.067-0.2 mM; 13-68% inhibition) was less inhibitory to soybean lipoxygenase, di-n-butyltin (0.134-0.537 mM; 51-75% inhibition) and n-butyltin (0.41-1.23 mM; 33-75% inhibition) were more inhibitory towards soybean lipoxygenase compared with trout gill lipoxygenase. n-butyltin 13-23 linoleate 9S-lipoxygenase-4 Glycine max 89-101 2513351-4 1989 Although tri-n-butyltin (0.067-0.2 mM; 13-68% inhibition) was less inhibitory to soybean lipoxygenase, di-n-butyltin (0.134-0.537 mM; 51-75% inhibition) and n-butyltin (0.41-1.23 mM; 33-75% inhibition) were more inhibitory towards soybean lipoxygenase compared with trout gill lipoxygenase. n-butyltin 13-23 linoleate 9S-lipoxygenase-4 Glycine max 239-251 2513351-4 1989 Although tri-n-butyltin (0.067-0.2 mM; 13-68% inhibition) was less inhibitory to soybean lipoxygenase, di-n-butyltin (0.134-0.537 mM; 51-75% inhibition) and n-butyltin (0.41-1.23 mM; 33-75% inhibition) were more inhibitory towards soybean lipoxygenase compared with trout gill lipoxygenase. n-butyltin 13-23 linoleate 9S-lipoxygenase-4 Glycine max 239-251 2513351-5 1989 Concentrations of butyltins required to provide substantial inhibition of trout gill lipoxygenase were of the order of magnitude of those reported for lethal water exposure concentrations of these compounds for trout and other fishes when bioaccumulation factors are considered. butyltins 18-27 linoleate 9S-lipoxygenase-4 Glycine max 85-97 2513351-2 1989 Tri-n-butyltin (0.044-0.19 mM; 8-100% inhibition) was significantly more inhibitory against trout gill lipoxygenase than di-n-butyltin (0.1-0.27 mM; 17-39% inhibition) or n-butyltin (1.2-3.6 mM; 26-43% inhibition). tributyltin 0-14 linoleate 9S-lipoxygenase-4 Glycine max 103-115 2513351-2 1989 Tri-n-butyltin (0.044-0.19 mM; 8-100% inhibition) was significantly more inhibitory against trout gill lipoxygenase than di-n-butyltin (0.1-0.27 mM; 17-39% inhibition) or n-butyltin (1.2-3.6 mM; 26-43% inhibition). n-butyltin 4-14 linoleate 9S-lipoxygenase-4 Glycine max 103-115 2518221-2 1989 Sulfonic derivatives of quercetin were much weaker inhibitors of soybean lipoxygenase than quercetin itself. sulfonic 0-8 linoleate 9S-lipoxygenase-4 Glycine max 73-85 2518221-2 1989 Sulfonic derivatives of quercetin were much weaker inhibitors of soybean lipoxygenase than quercetin itself. Quercetin 24-33 linoleate 9S-lipoxygenase-4 Glycine max 73-85 2474334-1 1989 The rate of linoleic acid peroxidation catalysed by soybean lipoxygenase I was studied as a function of the hydration degree of aerosol OT (bis(2-ethylhexyl) sulfosuccinate sodium salt) reversed micelles in octane. Linoleic Acid 12-25 linoleate 9S-lipoxygenase-4 Glycine max 60-72 2569867-0 1989 The possible role of 9(S)-hydroperoxyoctadecatrienoic acid as a suicide substrate of soybean lipoxygenase. 9(s)-hydroperoxyoctadecatrienoic acid 21-58 linoleate 9S-lipoxygenase-4 Glycine max 93-105 2569867-1 1989 While incubation of soybean lipoxygenase with alpha-linolenic acid resulted in the gradual decrease of lipoxygenase activity, the incubation with linoleic acid had no change. alpha-Linolenic Acid 46-66 linoleate 9S-lipoxygenase-4 Glycine max 28-40 2569867-1 1989 While incubation of soybean lipoxygenase with alpha-linolenic acid resulted in the gradual decrease of lipoxygenase activity, the incubation with linoleic acid had no change. alpha-Linolenic Acid 46-66 linoleate 9S-lipoxygenase-4 Glycine max 103-115 2569867-2 1989 The inactivation of soybean lipoxygenase during incubation with alpha-linolenic acid was markedly observed at pH 6.5, but not at pH 9.0. alpha-Linolenic Acid 64-84 linoleate 9S-lipoxygenase-4 Glycine max 28-40 2569867-3 1989 Among the lipoxygenation products of alpha-linolenic acid, only 9(S)-hydroperoxyoctadecatrienoic acid caused the inactivation of lipoxygenase. alpha-Linolenic Acid 37-57 linoleate 9S-lipoxygenase-4 Glycine max 129-141 2569867-3 1989 Among the lipoxygenation products of alpha-linolenic acid, only 9(S)-hydroperoxyoctadecatrienoic acid caused the inactivation of lipoxygenase. (s)-hydroperoxyoctadecatrienoic acid 65-101 linoleate 9S-lipoxygenase-4 Glycine max 129-141 2569867-5 1989 Accordingly, it is suggested that the epoxide intermediate, one conversion product of 9(S)-hydroperoxyoctadecatrienoic acid, might be involved in the direct inactivation of lipoxygenase. Epoxy Compounds 38-45 linoleate 9S-lipoxygenase-4 Glycine max 173-185 2569867-5 1989 Accordingly, it is suggested that the epoxide intermediate, one conversion product of 9(S)-hydroperoxyoctadecatrienoic acid, might be involved in the direct inactivation of lipoxygenase. 9(s)-hydroperoxyoctadecatrienoic acid 86-123 linoleate 9S-lipoxygenase-4 Glycine max 173-185 2502778-0 1989 The peroxidase/oxidase activity of soybean lipoxygenase--I. Triplet excited carbonyls from the reaction with isobutanal and the effect of glutathione. isobutyraldehyde 109-119 linoleate 9S-lipoxygenase-4 Glycine max 43-55 2502778-0 1989 The peroxidase/oxidase activity of soybean lipoxygenase--I. Triplet excited carbonyls from the reaction with isobutanal and the effect of glutathione. Glutathione 138-149 linoleate 9S-lipoxygenase-4 Glycine max 43-55 2502778-1 1989 Soybean lipoxygenase shows a secondary peroxidase/oxidase activity: The aerobic reaction with isobutanal, enhanced by hydrogen peroxide as a cosubstrate, yields acetone, exhibits chemiluminescence and consumes oxygen (phi cl = 1.3 x 10(-9) photons/O2 molecule consumed). isobutyraldehyde 94-104 linoleate 9S-lipoxygenase-4 Glycine max 8-20 2502778-1 1989 Soybean lipoxygenase shows a secondary peroxidase/oxidase activity: The aerobic reaction with isobutanal, enhanced by hydrogen peroxide as a cosubstrate, yields acetone, exhibits chemiluminescence and consumes oxygen (phi cl = 1.3 x 10(-9) photons/O2 molecule consumed). Hydrogen Peroxide 118-135 linoleate 9S-lipoxygenase-4 Glycine max 8-20 2502778-1 1989 Soybean lipoxygenase shows a secondary peroxidase/oxidase activity: The aerobic reaction with isobutanal, enhanced by hydrogen peroxide as a cosubstrate, yields acetone, exhibits chemiluminescence and consumes oxygen (phi cl = 1.3 x 10(-9) photons/O2 molecule consumed). Acetone 161-168 linoleate 9S-lipoxygenase-4 Glycine max 8-20 2502778-1 1989 Soybean lipoxygenase shows a secondary peroxidase/oxidase activity: The aerobic reaction with isobutanal, enhanced by hydrogen peroxide as a cosubstrate, yields acetone, exhibits chemiluminescence and consumes oxygen (phi cl = 1.3 x 10(-9) photons/O2 molecule consumed). Oxygen 248-250 linoleate 9S-lipoxygenase-4 Glycine max 8-20 2502778-3 1989 In the presence of hydrogen peroxide the lipoxygenase reaction with glutathione yields yet another excited state. Hydrogen Peroxide 19-36 linoleate 9S-lipoxygenase-4 Glycine max 41-53 2502778-3 1989 In the presence of hydrogen peroxide the lipoxygenase reaction with glutathione yields yet another excited state. Glutathione 68-79 linoleate 9S-lipoxygenase-4 Glycine max 41-53 2502778-5 1989 With isobutanal as a substrate lipoxygenase acts as an oxidase and as a peroxidase. isobutyraldehyde 5-15 linoleate 9S-lipoxygenase-4 Glycine max 31-43 2502779-2 1989 During the aerobic reaction of soybean lipoxygenase with polyunsaturated fatty acids (linoleic, linolenic, and arachidonic acid) oxygen uptake is followed by excited carbonyl photoemission. Fatty Acids, Unsaturated 57-84 linoleate 9S-lipoxygenase-4 Glycine max 39-51 2502779-2 1989 During the aerobic reaction of soybean lipoxygenase with polyunsaturated fatty acids (linoleic, linolenic, and arachidonic acid) oxygen uptake is followed by excited carbonyl photoemission. Linoleic Acid 86-94 linoleate 9S-lipoxygenase-4 Glycine max 39-51 2502779-2 1989 During the aerobic reaction of soybean lipoxygenase with polyunsaturated fatty acids (linoleic, linolenic, and arachidonic acid) oxygen uptake is followed by excited carbonyl photoemission. linolenic 96-105 linoleate 9S-lipoxygenase-4 Glycine max 39-51 2502779-2 1989 During the aerobic reaction of soybean lipoxygenase with polyunsaturated fatty acids (linoleic, linolenic, and arachidonic acid) oxygen uptake is followed by excited carbonyl photoemission. Arachidonic Acid 111-127 linoleate 9S-lipoxygenase-4 Glycine max 39-51 2502779-5 1989 When 1 mM glutathione is added to the aerobic lipoxygenase/arachidonate reaction, carbonyl emission (375-455 nm) is replaced by intense red bands (630-645 nm and 695-715 nm) resembling the characteristic spectrum of (1 delta g)O2-singlet oxygen dimol-emission. Glutathione 10-21 linoleate 9S-lipoxygenase-4 Glycine max 46-58 2502779-5 1989 When 1 mM glutathione is added to the aerobic lipoxygenase/arachidonate reaction, carbonyl emission (375-455 nm) is replaced by intense red bands (630-645 nm and 695-715 nm) resembling the characteristic spectrum of (1 delta g)O2-singlet oxygen dimol-emission. Arachidonic Acid 59-71 linoleate 9S-lipoxygenase-4 Glycine max 46-58 2502779-5 1989 When 1 mM glutathione is added to the aerobic lipoxygenase/arachidonate reaction, carbonyl emission (375-455 nm) is replaced by intense red bands (630-645 nm and 695-715 nm) resembling the characteristic spectrum of (1 delta g)O2-singlet oxygen dimol-emission. oxygen dimol 238-250 linoleate 9S-lipoxygenase-4 Glycine max 46-58 3122822-0 1987 Oxygenation of trans polyunsaturated fatty acids by lipoxygenase reveals steric features of the catalytic mechanism. trans polyunsaturated fatty acids 15-48 linoleate 9S-lipoxygenase-4 Glycine max 52-64 24212490-7 1989 Isotope discrimination by soybean lipoxygenase (EC 1.13.11.12) supplied with linoleic acid was much lower than by respiration. Linoleic Acid 77-90 linoleate 9S-lipoxygenase-4 Glycine max 34-46 2539142-1 1989 Incubation of gamma-linolenic acid with soybean lipoxygenase initially at pH 9.3 and subsequently at pH 7.9 gave rise to the conjugated triene dioxygenation product (lambda max = 267 nm, greater than 50% yield), which was reduced to form 9-cis isomer of 6,13-dihydroxyoctadecatrienoic acid (6,13-diHOT) accompanied by minor isomers. gamma-Linolenic Acid 14-34 linoleate 9S-lipoxygenase-4 Glycine max 48-60 2539142-1 1989 Incubation of gamma-linolenic acid with soybean lipoxygenase initially at pH 9.3 and subsequently at pH 7.9 gave rise to the conjugated triene dioxygenation product (lambda max = 267 nm, greater than 50% yield), which was reduced to form 9-cis isomer of 6,13-dihydroxyoctadecatrienoic acid (6,13-diHOT) accompanied by minor isomers. TRIETHYLENETETRAMINE 136-142 linoleate 9S-lipoxygenase-4 Glycine max 48-60 2539142-1 1989 Incubation of gamma-linolenic acid with soybean lipoxygenase initially at pH 9.3 and subsequently at pH 7.9 gave rise to the conjugated triene dioxygenation product (lambda max = 267 nm, greater than 50% yield), which was reduced to form 9-cis isomer of 6,13-dihydroxyoctadecatrienoic acid (6,13-diHOT) accompanied by minor isomers. 6,13-dihydroxyoctadecatrienoic acid 254-289 linoleate 9S-lipoxygenase-4 Glycine max 48-60 2539142-1 1989 Incubation of gamma-linolenic acid with soybean lipoxygenase initially at pH 9.3 and subsequently at pH 7.9 gave rise to the conjugated triene dioxygenation product (lambda max = 267 nm, greater than 50% yield), which was reduced to form 9-cis isomer of 6,13-dihydroxyoctadecatrienoic acid (6,13-diHOT) accompanied by minor isomers. 6,13-dihydroxyoctadecatrienoic acid 291-301 linoleate 9S-lipoxygenase-4 Glycine max 48-60 2471340-0 1989 [Activity of lipoxygenase incorporated into reversed micelles of aerosol OT in octane]. octane 79-85 linoleate 9S-lipoxygenase-4 Glycine max 13-25 2471340-1 1989 Soybean lipoxygenase (EC 1.13.11.12) incorporated into the reversed micelles of aerosol OT in octane has been studied for its catalytic properties. octane 94-100 linoleate 9S-lipoxygenase-4 Glycine max 8-20 2471340-3 1989 In this case Km of lipoxygenase for linoleic acid increases from 10(-5) M to 5 X 10(-4) M. The activity of lipoxygenase is maximal, the aerosol OT concentration being 0.03 M and a degree of reversed micelle hydratation 40. Linoleic Acid 36-49 linoleate 9S-lipoxygenase-4 Glycine max 19-31 2471340-3 1989 In this case Km of lipoxygenase for linoleic acid increases from 10(-5) M to 5 X 10(-4) M. The activity of lipoxygenase is maximal, the aerosol OT concentration being 0.03 M and a degree of reversed micelle hydratation 40. Linoleic Acid 36-49 linoleate 9S-lipoxygenase-4 Glycine max 107-119 2492826-7 1989 Methyl esterification of linoleic acid blocked the formation of the (9S)-hydroperoxide by lipoxygenase-1, but not the (13S)-hydroperoxide. Linoleic Acid 25-38 linoleate 9S-lipoxygenase-4 Glycine max 90-102 2492826-7 1989 Methyl esterification of linoleic acid blocked the formation of the (9S)-hydroperoxide by lipoxygenase-1, but not the (13S)-hydroperoxide. (9s)-hydroperoxide 68-86 linoleate 9S-lipoxygenase-4 Glycine max 90-102 2541151-1 1989 In the reaction of soybean lipoxygenase (EC 1.13.11.12) with polyunsaturated fatty acids such as linoleic, linolenic and arachidonic acids, some radical species were detected using the electron spin resonance (ESR) spin-trapping technique. Fatty Acids, Unsaturated 61-88 linoleate 9S-lipoxygenase-4 Glycine max 27-39 2541151-1 1989 In the reaction of soybean lipoxygenase (EC 1.13.11.12) with polyunsaturated fatty acids such as linoleic, linolenic and arachidonic acids, some radical species were detected using the electron spin resonance (ESR) spin-trapping technique. Linoleic Acid 97-105 linoleate 9S-lipoxygenase-4 Glycine max 27-39 2541151-1 1989 In the reaction of soybean lipoxygenase (EC 1.13.11.12) with polyunsaturated fatty acids such as linoleic, linolenic and arachidonic acids, some radical species were detected using the electron spin resonance (ESR) spin-trapping technique. linolenic 107-116 linoleate 9S-lipoxygenase-4 Glycine max 27-39 2541151-1 1989 In the reaction of soybean lipoxygenase (EC 1.13.11.12) with polyunsaturated fatty acids such as linoleic, linolenic and arachidonic acids, some radical species were detected using the electron spin resonance (ESR) spin-trapping technique. Arachidonic Acids 121-138 linoleate 9S-lipoxygenase-4 Glycine max 27-39 3144281-0 1988 Inactivation of soybean lipoxygenase by lipoxygenase inhibitors in the presence of 15-hydroperoxyeicosatetraenoic acid. 15-hydroperoxyeicosatetraenoic acid 83-118 linoleate 9S-lipoxygenase-4 Glycine max 24-36 3144281-0 1988 Inactivation of soybean lipoxygenase by lipoxygenase inhibitors in the presence of 15-hydroperoxyeicosatetraenoic acid. 15-hydroperoxyeicosatetraenoic acid 83-118 linoleate 9S-lipoxygenase-4 Glycine max 40-52 3144281-1 1988 Soybean lipoxygenase is rapidly inactivated when incubated with arachidonic acid and any of several lipoxygenase inhibitors, including NDGA, the aminopyrazolines BW 755C and BW 540C, and the acetohydroxamic acid derivatives BW A4C and BW A137C. Arachidonic Acid 64-80 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3144281-1 1988 Soybean lipoxygenase is rapidly inactivated when incubated with arachidonic acid and any of several lipoxygenase inhibitors, including NDGA, the aminopyrazolines BW 755C and BW 540C, and the acetohydroxamic acid derivatives BW A4C and BW A137C. Masoprocol 135-139 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3144281-1 1988 Soybean lipoxygenase is rapidly inactivated when incubated with arachidonic acid and any of several lipoxygenase inhibitors, including NDGA, the aminopyrazolines BW 755C and BW 540C, and the acetohydroxamic acid derivatives BW A4C and BW A137C. aminopyrazolines 145-161 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3144281-1 1988 Soybean lipoxygenase is rapidly inactivated when incubated with arachidonic acid and any of several lipoxygenase inhibitors, including NDGA, the aminopyrazolines BW 755C and BW 540C, and the acetohydroxamic acid derivatives BW A4C and BW A137C. acetohydroxamic acid 191-211 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3144281-4 1988 The UV absorption at 235 nm, due to the conjugated diene in 15-HPETE or 13-HPOD, was rapidly destroyed in the presence of soybean lipoxygenase and inhibitor in a presumed pseudoperoxidase reaction. diene 51-56 linoleate 9S-lipoxygenase-4 Glycine max 130-142 3144281-5 1988 The products of the reaction between linoleic acid, BW A137C and soybean lipoxygenase have been partially characterized. Linoleic Acid 37-50 linoleate 9S-lipoxygenase-4 Glycine max 73-85 3149509-1 1988 Soybean lipoxygenase was assayed under conditions such that the concentration of the enzyme was in excess of the concentration of the substrate, arachidonic acid. Arachidonic Acid 145-161 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3138991-0 1988 Hydroperoxidase activity of lipoxygenase: hydrogen peroxide-dependent oxidation of xenobiotics. Hydrogen Peroxide 42-59 linoleate 9S-lipoxygenase-4 Glycine max 28-40 3138991-1 1988 Since H2O2 is one of the major biologically available peroxides, its ability to support hydroperoxidase activity of highly purified soybean lipoxygenase was examined by monitoring co-oxidation of selected xenobiotics. Hydrogen Peroxide 6-10 linoleate 9S-lipoxygenase-4 Glycine max 140-152 3138991-1 1988 Since H2O2 is one of the major biologically available peroxides, its ability to support hydroperoxidase activity of highly purified soybean lipoxygenase was examined by monitoring co-oxidation of selected xenobiotics. Peroxides 54-63 linoleate 9S-lipoxygenase-4 Glycine max 140-152 3138991-3 1988 Tetramethylbenzidine oxidation was completely inhibited by the classical lipoxygenase inhibitor nordihydroguaiaretic acid. 3,3',5,5'-tetramethylbenzidine 0-20 linoleate 9S-lipoxygenase-4 Glycine max 73-85 3138991-3 1988 Tetramethylbenzidine oxidation was completely inhibited by the classical lipoxygenase inhibitor nordihydroguaiaretic acid. Masoprocol 96-121 linoleate 9S-lipoxygenase-4 Glycine max 73-85 3138991-5 1988 The data clearly indicate, for the first time, that H2O2 can efficiently replace fatty acid hydroperoxide in a xenobiotic oxidation reaction medicated by the hydroperoxidase activity of lipoxygenase. Hydrogen Peroxide 52-56 linoleate 9S-lipoxygenase-4 Glycine max 186-198 3138991-5 1988 The data clearly indicate, for the first time, that H2O2 can efficiently replace fatty acid hydroperoxide in a xenobiotic oxidation reaction medicated by the hydroperoxidase activity of lipoxygenase. Lipid Peroxides 81-105 linoleate 9S-lipoxygenase-4 Glycine max 186-198 3132921-0 1988 Soybean lipoxygenase-catalyzed formation of lipoxin A and lipoxin B isomers from arachidonic acid via 5,15-dihydroperoxyeicosatetraenoic acid. lipoxin A4 44-53 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3132921-0 1988 Soybean lipoxygenase-catalyzed formation of lipoxin A and lipoxin B isomers from arachidonic acid via 5,15-dihydroperoxyeicosatetraenoic acid. Lipoxin B 58-67 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3132921-0 1988 Soybean lipoxygenase-catalyzed formation of lipoxin A and lipoxin B isomers from arachidonic acid via 5,15-dihydroperoxyeicosatetraenoic acid. Arachidonic Acid 81-97 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3132921-0 1988 Soybean lipoxygenase-catalyzed formation of lipoxin A and lipoxin B isomers from arachidonic acid via 5,15-dihydroperoxyeicosatetraenoic acid. 5,15-dihydroperoxyeicosatetraenoic acid 102-141 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3132921-1 1988 Soybean lipoxygenase converted arachidonic acid to a group of polar products (lambda max, 300-301 nm), which were increasingly formed during the continued incubation at 20 degrees C after the initial incubation (2 hrs, at 4 degrees C). Arachidonic Acid 31-47 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3132921-4 1988 The exposure of 5,15-dihydroperoxyeicosatetraenoic acid to the soybean lipoxygenase produced the identical product profile of chromatography, substantiating the intermediacy of 5,15-dihydroperoxyeicosatetraenoic acid in the soybean lipoxygenase-catalyzed formation of lipoxins. 5,15-dihydroperoxyeicosatetraenoic acid 16-55 linoleate 9S-lipoxygenase-4 Glycine max 71-83 3132921-4 1988 The exposure of 5,15-dihydroperoxyeicosatetraenoic acid to the soybean lipoxygenase produced the identical product profile of chromatography, substantiating the intermediacy of 5,15-dihydroperoxyeicosatetraenoic acid in the soybean lipoxygenase-catalyzed formation of lipoxins. 5,15-dihydroperoxyeicosatetraenoic acid 16-55 linoleate 9S-lipoxygenase-4 Glycine max 232-244 3132921-4 1988 The exposure of 5,15-dihydroperoxyeicosatetraenoic acid to the soybean lipoxygenase produced the identical product profile of chromatography, substantiating the intermediacy of 5,15-dihydroperoxyeicosatetraenoic acid in the soybean lipoxygenase-catalyzed formation of lipoxins. 5,15-dihydroperoxyeicosatetraenoic acid 177-216 linoleate 9S-lipoxygenase-4 Glycine max 71-83 3132921-4 1988 The exposure of 5,15-dihydroperoxyeicosatetraenoic acid to the soybean lipoxygenase produced the identical product profile of chromatography, substantiating the intermediacy of 5,15-dihydroperoxyeicosatetraenoic acid in the soybean lipoxygenase-catalyzed formation of lipoxins. Lipoxins 268-276 linoleate 9S-lipoxygenase-4 Glycine max 71-83 3132921-5 1988 Based on these results, it is proposed that the conversion of arachidonic acid into lipoxins by soybean lipoxygenase may bear a mechanistic resemblance to the formation of lipoxins in the human leukocytes. Arachidonic Acid 62-78 linoleate 9S-lipoxygenase-4 Glycine max 104-116 3132921-5 1988 Based on these results, it is proposed that the conversion of arachidonic acid into lipoxins by soybean lipoxygenase may bear a mechanistic resemblance to the formation of lipoxins in the human leukocytes. Lipoxins 84-92 linoleate 9S-lipoxygenase-4 Glycine max 104-116 3132921-5 1988 Based on these results, it is proposed that the conversion of arachidonic acid into lipoxins by soybean lipoxygenase may bear a mechanistic resemblance to the formation of lipoxins in the human leukocytes. Lipoxins 172-180 linoleate 9S-lipoxygenase-4 Glycine max 104-116 3122826-0 1987 Reductive inactivation of soybean lipoxygenase 1 by catechols: a possible mechanism for regulation of lipoxygenase activity. Catechols 52-61 linoleate 9S-lipoxygenase-4 Glycine max 34-46 3122826-5 1987 Lipoxygenase catalyzes the oxidation of NDGA by LOOH at a rate that is consistent with the independently determined rate constant for the reduction of Eox by NDGA. Lipid Peroxides 48-52 linoleate 9S-lipoxygenase-4 Glycine max 0-12 3122826-5 1987 Lipoxygenase catalyzes the oxidation of NDGA by LOOH at a rate that is consistent with the independently determined rate constant for the reduction of Eox by NDGA. eox 151-154 linoleate 9S-lipoxygenase-4 Glycine max 0-12 3122826-7 1987 Because the catalytically inactive Ered is oxidized by fatty acid hydroperoxides (e.g., LOOH) to give the active Eox, reducing agents such as NDGA are most effective as lipoxygenase inhibitors at low hydroperoxide concentrations. Lipid Peroxides 55-80 linoleate 9S-lipoxygenase-4 Glycine max 169-181 3122826-7 1987 Because the catalytically inactive Ered is oxidized by fatty acid hydroperoxides (e.g., LOOH) to give the active Eox, reducing agents such as NDGA are most effective as lipoxygenase inhibitors at low hydroperoxide concentrations. Lipid Peroxides 88-92 linoleate 9S-lipoxygenase-4 Glycine max 169-181 3122826-7 1987 Because the catalytically inactive Ered is oxidized by fatty acid hydroperoxides (e.g., LOOH) to give the active Eox, reducing agents such as NDGA are most effective as lipoxygenase inhibitors at low hydroperoxide concentrations. Masoprocol 142-146 linoleate 9S-lipoxygenase-4 Glycine max 169-181 3122826-8 1987 Our results suggest that in vivo, where lipid hydroperoxides are maintained at low steady-state levels, reduction of lipoxygenase from the ferric to ferrous state may be important in the regulation of lipoxygenase activity and hence leukotriene biosynthesis. Lipid Peroxides 40-60 linoleate 9S-lipoxygenase-4 Glycine max 117-129 2494999-0 1989 Lipoxygenase-catalyzed epoxidation of benzo(a)pyrene-7,8-dihydrodiol. benzo(a)pyrene 7,8-dihydrodiol 38-68 linoleate 9S-lipoxygenase-4 Glycine max 0-12 2494999-1 1989 Metabolism of resolved radioactive stereoisomer, [14C](+)-benzo-(a)pyrene-trans-7,8-dihydrodiol by highly purified soybean lipoxygenase plus linoleic acid was investigated. [14c](+)-benzo-(a)pyrene-trans-7,8-dihydrodiol 49-95 linoleate 9S-lipoxygenase-4 Glycine max 123-135 2494999-4 1989 This study provides evidence on the ability of lipoxygenase to catalyze the epoxidation of benzo(a)pyrene-7,8-dihydrodiol. benzo(a)pyrene 7,8-dihydrodiol 91-121 linoleate 9S-lipoxygenase-4 Glycine max 47-59 2497775-1 1989 Isotope effects for the oxidation of [5,6,8,9,11,12,14,15-3H]arachidonic acid catalyzed by soybean lipoxygenase and by 5-lipoxygenase were measured. [5,6,8,9,11,12,14,15-3h]arachidonic acid 37-77 linoleate 9S-lipoxygenase-4 Glycine max 99-111 3136803-1 1988 The iron coordination in native, Fe(II), lipoxygenase has been studied by Extended X-Ray Absorption Fine Structure (EXAFS). Iron 4-8 linoleate 9S-lipoxygenase-4 Glycine max 33-53 2840081-4 1988 This was equipotent in our system with the known lipoxygenase inhibitor nordihydroguaiaretic acid (NDGA). Masoprocol 72-97 linoleate 9S-lipoxygenase-4 Glycine max 49-61 2840081-4 1988 This was equipotent in our system with the known lipoxygenase inhibitor nordihydroguaiaretic acid (NDGA). Masoprocol 99-103 linoleate 9S-lipoxygenase-4 Glycine max 49-61 2840081-6 1988 Manoalide showed some activity against soybean lipoxygenase, although it was 30- to 50-fold less potent than as an inhibitor of the 5-lipoxygenase enzyme. manoalide 0-9 linoleate 9S-lipoxygenase-4 Glycine max 47-59 3128297-9 1988 Quercetin was the most potent and it inhibited the lipoxygenase in the liposomal suspension by about 42% while the other flavonoids inhibited the enzyme by about 14-23%. Quercetin 0-9 linoleate 9S-lipoxygenase-4 Glycine max 51-63 2969420-2 1988 Oxidation products of linoleic and arachidonic acids, obtained either by autoxidation or incubation with soybean lipoxygenase, effectively blocked in a dose-dependent manner, the net influx of calcium in the absence or presence of 5 mM of oxalate. Linoleic Acid 22-30 linoleate 9S-lipoxygenase-4 Glycine max 113-125 2969420-2 1988 Oxidation products of linoleic and arachidonic acids, obtained either by autoxidation or incubation with soybean lipoxygenase, effectively blocked in a dose-dependent manner, the net influx of calcium in the absence or presence of 5 mM of oxalate. Arachidonic Acids 35-52 linoleate 9S-lipoxygenase-4 Glycine max 113-125 2969420-2 1988 Oxidation products of linoleic and arachidonic acids, obtained either by autoxidation or incubation with soybean lipoxygenase, effectively blocked in a dose-dependent manner, the net influx of calcium in the absence or presence of 5 mM of oxalate. Calcium 193-200 linoleate 9S-lipoxygenase-4 Glycine max 113-125 2969420-2 1988 Oxidation products of linoleic and arachidonic acids, obtained either by autoxidation or incubation with soybean lipoxygenase, effectively blocked in a dose-dependent manner, the net influx of calcium in the absence or presence of 5 mM of oxalate. Oxalates 239-246 linoleate 9S-lipoxygenase-4 Glycine max 113-125 2969420-3 1988 Unoxidized fatty acids were much weaker at lower concentrations as compared to their oxidized counterparts, except the lipoxygenase-generated product of arachidonic acid which had only a marginal effect even at high concentrations. Arachidonic Acid 153-169 linoleate 9S-lipoxygenase-4 Glycine max 119-131 2969420-5 1988 Likewise, autoxidation products of linoleic and arachidonic acids and lipoxygenase-generated products of linoleic acid induced a dose-dependent release of calcium from vesicles previously loaded with 45Ca, and release was further enhanced in the presence of 0.5 mM of EGTA. Linoleic Acid 105-118 linoleate 9S-lipoxygenase-4 Glycine max 70-82 2969420-5 1988 Likewise, autoxidation products of linoleic and arachidonic acids and lipoxygenase-generated products of linoleic acid induced a dose-dependent release of calcium from vesicles previously loaded with 45Ca, and release was further enhanced in the presence of 0.5 mM of EGTA. Calcium 155-162 linoleate 9S-lipoxygenase-4 Glycine max 70-82 2969420-5 1988 Likewise, autoxidation products of linoleic and arachidonic acids and lipoxygenase-generated products of linoleic acid induced a dose-dependent release of calcium from vesicles previously loaded with 45Ca, and release was further enhanced in the presence of 0.5 mM of EGTA. Egtazic Acid 268-272 linoleate 9S-lipoxygenase-4 Glycine max 70-82 2969420-6 1988 In contrast, lipoxygenase metabolites of arachidonic acid caused a transient increase in net calcium content. Arachidonic Acid 41-57 linoleate 9S-lipoxygenase-4 Glycine max 13-25 2969420-6 1988 In contrast, lipoxygenase metabolites of arachidonic acid caused a transient increase in net calcium content. Calcium 93-100 linoleate 9S-lipoxygenase-4 Glycine max 13-25 3122822-1 1987 Lipoxygenase, a nonheme iron dioxygenase, catalyzes the oxygenation of 1,4-diene units in polyunsaturated fatty acids, forming conjugated diene hydroperoxides as the primary products. 1,4-diene 71-80 linoleate 9S-lipoxygenase-4 Glycine max 0-12 3122822-1 1987 Lipoxygenase, a nonheme iron dioxygenase, catalyzes the oxygenation of 1,4-diene units in polyunsaturated fatty acids, forming conjugated diene hydroperoxides as the primary products. Fatty Acids, Unsaturated 90-117 linoleate 9S-lipoxygenase-4 Glycine max 0-12 3122822-1 1987 Lipoxygenase, a nonheme iron dioxygenase, catalyzes the oxygenation of 1,4-diene units in polyunsaturated fatty acids, forming conjugated diene hydroperoxides as the primary products. diene hydroperoxides 138-158 linoleate 9S-lipoxygenase-4 Glycine max 0-12 3040731-0 1987 The nitric oxide complex of ferrous soybean lipoxygenase-1. Nitric Oxide 4-16 linoleate 9S-lipoxygenase-4 Glycine max 44-56 3040731-2 1987 Soybean lipoxygenase is a non-heme iron enzyme that catalyzes the hydroperoxidation of linoleic acid by dioxygen. Iron 35-39 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3040731-2 1987 Soybean lipoxygenase is a non-heme iron enzyme that catalyzes the hydroperoxidation of linoleic acid by dioxygen. Linoleic Acid 87-100 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3040731-2 1987 Soybean lipoxygenase is a non-heme iron enzyme that catalyzes the hydroperoxidation of linoleic acid by dioxygen. Oxygen 104-112 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3040731-3 1987 Exposure of ferrous lipoxygenase to nitric oxide yields a species displaying an electron paramagnetic resonance spectrum characteristic of a nearly axial S = 3/2 electronic spin system arising from the ferrous-nitrosyl complex. Nitric Oxide 36-48 linoleate 9S-lipoxygenase-4 Glycine max 20-32 3040731-3 1987 Exposure of ferrous lipoxygenase to nitric oxide yields a species displaying an electron paramagnetic resonance spectrum characteristic of a nearly axial S = 3/2 electronic spin system arising from the ferrous-nitrosyl complex. ferrous-nitrosyl 202-218 linoleate 9S-lipoxygenase-4 Glycine max 20-32 3116881-0 1987 Product yield in oxygenation of linoleate by soybean lipoxygenase: the value of the molar extinction coefficient in the spectrophotometric assay. Linoleic Acid 32-41 linoleate 9S-lipoxygenase-4 Glycine max 53-65 3116881-1 1987 Two iodimetric methods and a gravimetric method were used to determine the spectrophotometric molar absorptivity of the purified product of lipoxygenase-catalyzed dioxygenation of linoleate (13-LS-hydroperoxy-cis,trans-9,11-octadecadienoate). dioxygenation 163-176 linoleate 9S-lipoxygenase-4 Glycine max 140-152 3116881-1 1987 Two iodimetric methods and a gravimetric method were used to determine the spectrophotometric molar absorptivity of the purified product of lipoxygenase-catalyzed dioxygenation of linoleate (13-LS-hydroperoxy-cis,trans-9,11-octadecadienoate). Linoleic Acid 180-189 linoleate 9S-lipoxygenase-4 Glycine max 140-152 3116881-1 1987 Two iodimetric methods and a gravimetric method were used to determine the spectrophotometric molar absorptivity of the purified product of lipoxygenase-catalyzed dioxygenation of linoleate (13-LS-hydroperoxy-cis,trans-9,11-octadecadienoate). 13-ls-hydroperoxy-cis 191-212 linoleate 9S-lipoxygenase-4 Glycine max 140-152 3116881-1 1987 Two iodimetric methods and a gravimetric method were used to determine the spectrophotometric molar absorptivity of the purified product of lipoxygenase-catalyzed dioxygenation of linoleate (13-LS-hydroperoxy-cis,trans-9,11-octadecadienoate). trans-9,11-octadecadienoate 213-240 linoleate 9S-lipoxygenase-4 Glycine max 140-152 3116881-4 1987 Final 235-nm absorbancies for lipoxygenase runs over a wide range of linoleic acid concentrations up to 200 microM give a constant final percentage completion. Linoleic Acid 69-82 linoleate 9S-lipoxygenase-4 Glycine max 30-42 3116881-8 1987 Above 200 microM linoleate, yields at 235 nm decrease and yields of materials absorbing at 280 nm increase (the latter is known to arise from lipoxygenase-catalyzed reaction of linoleyl hydroperoxide). Linoleic Acid 17-26 linoleate 9S-lipoxygenase-4 Glycine max 142-154 3116881-8 1987 Above 200 microM linoleate, yields at 235 nm decrease and yields of materials absorbing at 280 nm increase (the latter is known to arise from lipoxygenase-catalyzed reaction of linoleyl hydroperoxide). linoleyl hydroperoxide 177-199 linoleate 9S-lipoxygenase-4 Glycine max 142-154 3026385-5 1986 To establish the presence of [17O2]oxygen in our incubations, a portion of the gas from the lipoxygenase/linoleate experiments was used to prepare the 4-POBN-superoxide radical adduct utilizing a superoxide producing microsomal/paraquat/NADPH system. Superoxides 158-168 linoleate 9S-lipoxygenase-4 Glycine max 92-104 3304843-10 1987 The presence of hydrogen peroxide, especially hydroperoxides, activates enzymes such as cyclooxygenase and lipoxygenase. Hydrogen Peroxide 16-33 linoleate 9S-lipoxygenase-4 Glycine max 107-119 3304843-10 1987 The presence of hydrogen peroxide, especially hydroperoxides, activates enzymes such as cyclooxygenase and lipoxygenase. Hydrogen Peroxide 46-60 linoleate 9S-lipoxygenase-4 Glycine max 107-119 3304843-21 1987 The classical soybean lipoxygenase inhibitors are antioxidants, such as nordihydroguaiaretic acid (NDGA) and others, and the substrate analog 5,8,11,14 eicosatetraynoic acid (ETYA), which also inhibit cyclooxygenase (g). Masoprocol 72-97 linoleate 9S-lipoxygenase-4 Glycine max 22-34 3304843-21 1987 The classical soybean lipoxygenase inhibitors are antioxidants, such as nordihydroguaiaretic acid (NDGA) and others, and the substrate analog 5,8,11,14 eicosatetraynoic acid (ETYA), which also inhibit cyclooxygenase (g). Masoprocol 99-103 linoleate 9S-lipoxygenase-4 Glycine max 22-34 3304843-21 1987 The classical soybean lipoxygenase inhibitors are antioxidants, such as nordihydroguaiaretic acid (NDGA) and others, and the substrate analog 5,8,11,14 eicosatetraynoic acid (ETYA), which also inhibit cyclooxygenase (g). ETYA 152-173 linoleate 9S-lipoxygenase-4 Glycine max 22-34 3304843-21 1987 The classical soybean lipoxygenase inhibitors are antioxidants, such as nordihydroguaiaretic acid (NDGA) and others, and the substrate analog 5,8,11,14 eicosatetraynoic acid (ETYA), which also inhibit cyclooxygenase (g). ETYA 175-179 linoleate 9S-lipoxygenase-4 Glycine max 22-34 3026385-0 1986 A search for oxygen-centered free radicals in the lipoxygenase/linoleic acid system. Oxygen 13-19 linoleate 9S-lipoxygenase-4 Glycine max 50-62 3026385-0 1986 A search for oxygen-centered free radicals in the lipoxygenase/linoleic acid system. Linoleic Acid 63-76 linoleate 9S-lipoxygenase-4 Glycine max 50-62 3026385-1 1986 Studies of the oxygenation of linoleic acid by soybean lipoxygenase utilizing electron spin resonance spectroscopy and oxygen uptake have been undertaken. Linoleic Acid 30-43 linoleate 9S-lipoxygenase-4 Glycine max 55-67 3026385-1 1986 Studies of the oxygenation of linoleic acid by soybean lipoxygenase utilizing electron spin resonance spectroscopy and oxygen uptake have been undertaken. Oxygen 15-21 linoleate 9S-lipoxygenase-4 Glycine max 55-67 3026385-2 1986 The spin trap, alpha-(4-pyridyl-1-oxide)-N-t-butylnitrone (4-POBN) was included in the lipoxygenase system to capture short-lived free radicals. alpha-(4-pyridyl-1-oxide)-n-t-butylnitrone 15-57 linoleate 9S-lipoxygenase-4 Glycine max 87-99 3026385-5 1986 To establish the presence of [17O2]oxygen in our incubations, a portion of the gas from the lipoxygenase/linoleate experiments was used to prepare the 4-POBN-superoxide radical adduct utilizing a superoxide producing microsomal/paraquat/NADPH system. Superoxides 196-206 linoleate 9S-lipoxygenase-4 Glycine max 92-104 3026385-5 1986 To establish the presence of [17O2]oxygen in our incubations, a portion of the gas from the lipoxygenase/linoleate experiments was used to prepare the 4-POBN-superoxide radical adduct utilizing a superoxide producing microsomal/paraquat/NADPH system. Paraquat 228-236 linoleate 9S-lipoxygenase-4 Glycine max 92-104 3026385-2 1986 The spin trap, alpha-(4-pyridyl-1-oxide)-N-t-butylnitrone (4-POBN) was included in the lipoxygenase system to capture short-lived free radicals. 4-aminobenzhydrazide 59-65 linoleate 9S-lipoxygenase-4 Glycine max 87-99 3026385-5 1986 To establish the presence of [17O2]oxygen in our incubations, a portion of the gas from the lipoxygenase/linoleate experiments was used to prepare the 4-POBN-superoxide radical adduct utilizing a superoxide producing microsomal/paraquat/NADPH system. 17o2 30-34 linoleate 9S-lipoxygenase-4 Glycine max 92-104 3026385-5 1986 To establish the presence of [17O2]oxygen in our incubations, a portion of the gas from the lipoxygenase/linoleate experiments was used to prepare the 4-POBN-superoxide radical adduct utilizing a superoxide producing microsomal/paraquat/NADPH system. Linoleic Acid 105-114 linoleate 9S-lipoxygenase-4 Glycine max 92-104 3026385-5 1986 To establish the presence of [17O2]oxygen in our incubations, a portion of the gas from the lipoxygenase/linoleate experiments was used to prepare the 4-POBN-superoxide radical adduct utilizing a superoxide producing microsomal/paraquat/NADPH system. NADP 237-242 linoleate 9S-lipoxygenase-4 Glycine max 92-104 3026385-5 1986 To establish the presence of [17O2]oxygen in our incubations, a portion of the gas from the lipoxygenase/linoleate experiments was used to prepare the 4-POBN-superoxide radical adduct utilizing a superoxide producing microsomal/paraquat/NADPH system. 4-aminobenzhydrazide 151-157 linoleate 9S-lipoxygenase-4 Glycine max 92-104 16665148-6 1986 The incorporation of iron-59 from the nutrient medium into lipoxygenase during culture of immature seeds was indicative of de novo synthesis of the enzyme. Iron 21-25 linoleate 9S-lipoxygenase-4 Glycine max 59-71 16665148-7 1986 The efficiency of the iron uptake was high, as indicated by the level of radioactivity found in the enzyme (one gram atom of iron per mole of lipoxygenase). Iron 22-26 linoleate 9S-lipoxygenase-4 Glycine max 142-154 3105349-0 1987 Analysis of the stereochemistry of lipoxygenase-derived hydroxypolyenoic fatty acids by means of chiral phase high-pressure liquid chromatography. hydroxypolyenoic fatty acids 56-84 linoleate 9S-lipoxygenase-4 Glycine max 35-47 16665148-7 1986 The efficiency of the iron uptake was high, as indicated by the level of radioactivity found in the enzyme (one gram atom of iron per mole of lipoxygenase). Iron 125-129 linoleate 9S-lipoxygenase-4 Glycine max 142-154 3017277-5 1986 The ESR signal was, however, inhibited by the lipoxygenase inhibitors nordihydroguaiaretic acid and N-ethylmaleimide. Masoprocol 70-95 linoleate 9S-lipoxygenase-4 Glycine max 46-58 3105349-1 1987 A chiral phase HPLC method was developed for the simultaneous determination of the positional and optical isomers of the lipoxygenase-derived hydroxypolyenoic fatty acids. hydroxypolyenoic fatty acids 142-170 linoleate 9S-lipoxygenase-4 Glycine max 121-133 3106941-1 1986 Twenty flavonoids isolated from plants or transformed into methyl or acetyl derivatives were tested with regard to their influence on cyclooxygenase from the ram seminal vesicle microsomes and lipoxygenase from soya beans. Flavonoids 7-17 linoleate 9S-lipoxygenase-4 Glycine max 193-205 3106941-3 1986 Only rhamnetin and myricetin inhibited the soybean lipoxygenase. rhamnetin 5-14 linoleate 9S-lipoxygenase-4 Glycine max 51-63 3106941-3 1986 Only rhamnetin and myricetin inhibited the soybean lipoxygenase. myricetin 19-28 linoleate 9S-lipoxygenase-4 Glycine max 51-63 3106941-6 1986 Structural requirements for the cyclooxygenase stimulation, lipoxygenase inhibition and antioxidant properties were different in the case of the twenty tested flavonoids. Flavonoids 159-169 linoleate 9S-lipoxygenase-4 Glycine max 60-72 3101541-0 1986 Determination of stereochemistry in the fatty acid hydroperoxide products of lipoxygenase catalysis. Lipid Peroxides 40-64 linoleate 9S-lipoxygenase-4 Glycine max 77-89 3101541-1 1986 High-performance liquid chromatography has been found to be an effective method for the determination of absolute configuration in the products of the lipoxygenase-catalyzed oxygenation of polyunsaturated fatty acids. Fatty Acids, Unsaturated 189-216 linoleate 9S-lipoxygenase-4 Glycine max 151-163 3101541-6 1986 In addition, the chromatography of the derivatives obtained from lipoxygenase catalysis on arachidonic acid was found to be effective for the assignment of stereochemistry in those products. Arachidonic Acid 91-107 linoleate 9S-lipoxygenase-4 Glycine max 65-77 3017277-5 1986 The ESR signal was, however, inhibited by the lipoxygenase inhibitors nordihydroguaiaretic acid and N-ethylmaleimide. Ethylmaleimide 100-116 linoleate 9S-lipoxygenase-4 Glycine max 46-58 3017277-6 1986 The involvement of lipoxygenase in the production of hydroxyl radical was demonstrated by the trapping of the radical with DMPO in a reaction mixture of soybean lipoxygenase and arachidonic acid (AA). Hydroxyl Radical 53-69 linoleate 9S-lipoxygenase-4 Glycine max 19-31 3017277-6 1986 The involvement of lipoxygenase in the production of hydroxyl radical was demonstrated by the trapping of the radical with DMPO in a reaction mixture of soybean lipoxygenase and arachidonic acid (AA). Hydroxyl Radical 53-69 linoleate 9S-lipoxygenase-4 Glycine max 161-173 3017277-6 1986 The involvement of lipoxygenase in the production of hydroxyl radical was demonstrated by the trapping of the radical with DMPO in a reaction mixture of soybean lipoxygenase and arachidonic acid (AA). 5,5-dimethyl-1-pyrroline-1-oxide 123-127 linoleate 9S-lipoxygenase-4 Glycine max 19-31 3017277-6 1986 The involvement of lipoxygenase in the production of hydroxyl radical was demonstrated by the trapping of the radical with DMPO in a reaction mixture of soybean lipoxygenase and arachidonic acid (AA). 5,5-dimethyl-1-pyrroline-1-oxide 123-127 linoleate 9S-lipoxygenase-4 Glycine max 161-173 3017277-6 1986 The involvement of lipoxygenase in the production of hydroxyl radical was demonstrated by the trapping of the radical with DMPO in a reaction mixture of soybean lipoxygenase and arachidonic acid (AA). Arachidonic Acid 178-194 linoleate 9S-lipoxygenase-4 Glycine max 19-31 3017277-7 1986 These findings support our previous postulation that the metabolism of AA via the lipoxygenase pathway is a source of hydroxyl radical in stimulated neutrophils. Hydroxyl Radical 118-134 linoleate 9S-lipoxygenase-4 Glycine max 82-94 3086939-0 1986 Effect of isoquinoline alkaloids on soybean lipoxygenase activity in vitro. isoquinoline alkaloids 10-32 linoleate 9S-lipoxygenase-4 Glycine max 44-56 3086939-1 1986 Novel isoquinoline alkaloids were evaluated for their effect on the kinetics of a soybean lipoxygenase type I using linoleic acid as substrate. isoquinoline alkaloids 6-28 linoleate 9S-lipoxygenase-4 Glycine max 90-102 3086939-1 1986 Novel isoquinoline alkaloids were evaluated for their effect on the kinetics of a soybean lipoxygenase type I using linoleic acid as substrate. Linoleic Acid 116-129 linoleate 9S-lipoxygenase-4 Glycine max 90-102 3937844-0 1985 High-performance liquid chromatography as a tool for identification of linolenic acid hydroperoxide prepared with soybean lipoxygenase. 13-hydroperoxylinolenic acid 71-99 linoleate 9S-lipoxygenase-4 Glycine max 122-134 3080416-0 1986 Singlet oxygen production by soybean lipoxygenase isozymes. Singlet Oxygen 0-14 linoleate 9S-lipoxygenase-4 Glycine max 37-49 3080416-1 1986 The oxidation of linoleic acid catalyzed by soybean lipoxygenase isozymes was accompanied by 1268 nm chemiluminescence characteristic of singlet oxygen. Linoleic Acid 17-30 linoleate 9S-lipoxygenase-4 Glycine max 52-64 3080416-1 1986 The oxidation of linoleic acid catalyzed by soybean lipoxygenase isozymes was accompanied by 1268 nm chemiluminescence characteristic of singlet oxygen. Singlet Oxygen 137-151 linoleate 9S-lipoxygenase-4 Glycine max 52-64 3937844-1 1985 Linolenic acid hydroperoxide, enzymatically produced by soybean lipoxygenase from linolenic acid, was purified by high-performance liquid chromatography (HPLC) using a Supelco LC-8 (5 microns), 22 cm X 4.6 mm I.D. 13-hydroperoxylinolenic acid 0-28 linoleate 9S-lipoxygenase-4 Glycine max 64-76 3937844-1 1985 Linolenic acid hydroperoxide, enzymatically produced by soybean lipoxygenase from linolenic acid, was purified by high-performance liquid chromatography (HPLC) using a Supelco LC-8 (5 microns), 22 cm X 4.6 mm I.D. alpha-Linolenic Acid 82-96 linoleate 9S-lipoxygenase-4 Glycine max 64-76 3937844-4 1985 The 13-hydroperoxy linolenic acid was the major hydroperoxide produced by soybean lipoxygenase. 13-hydroperoxylinolenic acid 4-33 linoleate 9S-lipoxygenase-4 Glycine max 82-94 3937844-4 1985 The 13-hydroperoxy linolenic acid was the major hydroperoxide produced by soybean lipoxygenase. Hydrogen Peroxide 48-61 linoleate 9S-lipoxygenase-4 Glycine max 82-94 3936118-0 1985 Inhibition of soybean lipoxygenase by SKF 525-A and metyrapone. Proadifen 38-47 linoleate 9S-lipoxygenase-4 Glycine max 22-34 2411781-5 1985 The suggested method was used to study the inhibitory action of dihydroriboflavin esters on D-amino acid oxidase from pig kidney and soybean lipoxygenase. dihydroriboflavin esters 64-88 linoleate 9S-lipoxygenase-4 Glycine max 141-153 3918037-3 1985 The major lipoxygenase product from washed human platelets, soybean lipoxygenase, and neonatal rat epidermal homogenate was 13-hydroxy-(5E,9Z,11E)-octadecatrienoic acid, although lesser quantities of other isomers differing in the double bond configurations were also identified by ultraviolet spectrophotometry and gas chromatography-mass spectroscopy. 13-hydroxy-(5e,9z,11e)-octadecatrienoic acid 124-168 linoleate 9S-lipoxygenase-4 Glycine max 10-22 3918037-4 1985 Topical application of the major lipoxygenase product to paws of essential fatty acid-deficient rats resulted in nearly as complete resolution of the scaly dermatitis as did the application of columbinic acid itself; the cyclooxygenase product was not at all effective. Fatty Acids, Essential 65-85 linoleate 9S-lipoxygenase-4 Glycine max 33-45 3918037-4 1985 Topical application of the major lipoxygenase product to paws of essential fatty acid-deficient rats resulted in nearly as complete resolution of the scaly dermatitis as did the application of columbinic acid itself; the cyclooxygenase product was not at all effective. 5,9,12-octadecatrienoic acid 193-208 linoleate 9S-lipoxygenase-4 Glycine max 33-45 2936111-0 1985 Mechanisms of inactivation of soybean lipoxygenase by acetylenic fatty acids. acetylenic fatty acids 54-76 linoleate 9S-lipoxygenase-4 Glycine max 38-50 3088613-0 1986 Flavonoid inhibition of soybean lipoxygenase. Flavonoids 0-9 linoleate 9S-lipoxygenase-4 Glycine max 32-44 2990543-3 1985 Addition of a catalytic amount of lipoxygenase to a mixture of 13-HPOD and N-octylhydroxylamine results in consumption of approximately 1 mumol of 13-HPOD/mumol of N-octylhydroxylamine present. 13-Hpode 63-70 linoleate 9S-lipoxygenase-4 Glycine max 34-46 2990543-3 1985 Addition of a catalytic amount of lipoxygenase to a mixture of 13-HPOD and N-octylhydroxylamine results in consumption of approximately 1 mumol of 13-HPOD/mumol of N-octylhydroxylamine present. N-octylhydroxylamine 75-95 linoleate 9S-lipoxygenase-4 Glycine max 34-46 2990543-3 1985 Addition of a catalytic amount of lipoxygenase to a mixture of 13-HPOD and N-octylhydroxylamine results in consumption of approximately 1 mumol of 13-HPOD/mumol of N-octylhydroxylamine present. 13-Hpode 147-154 linoleate 9S-lipoxygenase-4 Glycine max 34-46 2990543-3 1985 Addition of a catalytic amount of lipoxygenase to a mixture of 13-HPOD and N-octylhydroxylamine results in consumption of approximately 1 mumol of 13-HPOD/mumol of N-octylhydroxylamine present. N-octylhydroxylamine 164-184 linoleate 9S-lipoxygenase-4 Glycine max 34-46 2990543-5 1985 Consistent with this model, the ESR signal at g = 6.1 characteristic of ferric lipoxygenase is rapidly abolished by N-octylhydroxylamine and can be regenerated by 13-HPOD. N-octylhydroxylamine 116-136 linoleate 9S-lipoxygenase-4 Glycine max 79-91 3920681-0 1985 Inhibitory effects of tannic acid and benzophenone on soybean lipoxygenase and ram seminal vesicle cyclooxygenase. Tannins 22-33 linoleate 9S-lipoxygenase-4 Glycine max 62-74 3920681-0 1985 Inhibitory effects of tannic acid and benzophenone on soybean lipoxygenase and ram seminal vesicle cyclooxygenase. benzophenone 38-50 linoleate 9S-lipoxygenase-4 Glycine max 62-74 3920681-1 1985 Soybean lipoxygenase and cyclooxygenase from ram seminal vesicles were inhibited by tannic acid and the apparent ID50"s were 7.5 x 10(-7) M and 6 x 10(-6) M, respectively. Tannins 84-95 linoleate 9S-lipoxygenase-4 Glycine max 8-20 3920681-2 1985 The inhibition of lipoxygenase by tannic acid was noncompetitive. Tannins 34-45 linoleate 9S-lipoxygenase-4 Glycine max 18-30 3933493-7 1985 The stimulation may be brought about by facilitating the susceptibility of the fatty acids to reticulocyte lipoxygenase. Fatty Acids 79-90 linoleate 9S-lipoxygenase-4 Glycine max 107-119 18553581-2 1985 Experimental results obtained by air drying of soybean lipoxygenase entrapped in a glucose calcium-alginate gel are in good agreement with the predicted behavior, whereas hardly any differences occur between the results obtained with the approximate method and those obtained by a numerical solution of the original model. glucose calcium-alginate 83-107 linoleate 9S-lipoxygenase-4 Glycine max 55-67 6440614-1 1984 The oxygenation of [1-14C]-arachidonic acid by a soluble soybean lipoxygenase (E.C.1.13.11.12) preparation was determined in the presence of various cyclo-oxygenase and lipoxygenase inhibitors. [1-14c]-arachidonic acid 19-43 linoleate 9S-lipoxygenase-4 Glycine max 65-77 6440614-1 1984 The oxygenation of [1-14C]-arachidonic acid by a soluble soybean lipoxygenase (E.C.1.13.11.12) preparation was determined in the presence of various cyclo-oxygenase and lipoxygenase inhibitors. [1-14c]-arachidonic acid 19-43 linoleate 9S-lipoxygenase-4 Glycine max 169-181 6440614-6 1984 In this new multiple-site model the potent lipoxygenase inhibitors (e.g. acetone phenylhydrazone, phenidone) possess high affinities for both sites, whereas weak inhibitors and certain cyclo-oxygenase inhibitors (e.g. benoxaprofen, phenylbutazone, indomethacin) interact predominantly with the supplementary site on the lipoxygenase but lack affinity for the catalytic site. acetone phenylhydrazone 73-96 linoleate 9S-lipoxygenase-4 Glycine max 43-55 6440614-6 1984 In this new multiple-site model the potent lipoxygenase inhibitors (e.g. acetone phenylhydrazone, phenidone) possess high affinities for both sites, whereas weak inhibitors and certain cyclo-oxygenase inhibitors (e.g. benoxaprofen, phenylbutazone, indomethacin) interact predominantly with the supplementary site on the lipoxygenase but lack affinity for the catalytic site. acetone phenylhydrazone 73-96 linoleate 9S-lipoxygenase-4 Glycine max 320-332 6440614-6 1984 In this new multiple-site model the potent lipoxygenase inhibitors (e.g. acetone phenylhydrazone, phenidone) possess high affinities for both sites, whereas weak inhibitors and certain cyclo-oxygenase inhibitors (e.g. benoxaprofen, phenylbutazone, indomethacin) interact predominantly with the supplementary site on the lipoxygenase but lack affinity for the catalytic site. phenidone 98-107 linoleate 9S-lipoxygenase-4 Glycine max 43-55 6440614-6 1984 In this new multiple-site model the potent lipoxygenase inhibitors (e.g. acetone phenylhydrazone, phenidone) possess high affinities for both sites, whereas weak inhibitors and certain cyclo-oxygenase inhibitors (e.g. benoxaprofen, phenylbutazone, indomethacin) interact predominantly with the supplementary site on the lipoxygenase but lack affinity for the catalytic site. phenidone 98-107 linoleate 9S-lipoxygenase-4 Glycine max 320-332 6440614-6 1984 In this new multiple-site model the potent lipoxygenase inhibitors (e.g. acetone phenylhydrazone, phenidone) possess high affinities for both sites, whereas weak inhibitors and certain cyclo-oxygenase inhibitors (e.g. benoxaprofen, phenylbutazone, indomethacin) interact predominantly with the supplementary site on the lipoxygenase but lack affinity for the catalytic site. benoxaprofen 218-230 linoleate 9S-lipoxygenase-4 Glycine max 43-55 6440614-6 1984 In this new multiple-site model the potent lipoxygenase inhibitors (e.g. acetone phenylhydrazone, phenidone) possess high affinities for both sites, whereas weak inhibitors and certain cyclo-oxygenase inhibitors (e.g. benoxaprofen, phenylbutazone, indomethacin) interact predominantly with the supplementary site on the lipoxygenase but lack affinity for the catalytic site. Phenylbutazone 232-246 linoleate 9S-lipoxygenase-4 Glycine max 43-55 6440614-6 1984 In this new multiple-site model the potent lipoxygenase inhibitors (e.g. acetone phenylhydrazone, phenidone) possess high affinities for both sites, whereas weak inhibitors and certain cyclo-oxygenase inhibitors (e.g. benoxaprofen, phenylbutazone, indomethacin) interact predominantly with the supplementary site on the lipoxygenase but lack affinity for the catalytic site. Indomethacin 248-260 linoleate 9S-lipoxygenase-4 Glycine max 43-55 6437870-1 1984 The pure lipoxygenase from reticulocytes converts 5,15-di-HETE at 2 degrees C to product(s) showing a characteristic UV spectrum with maxima of strong absorbance at 300 and 316 nm and shoulders at 285 and 350 nm. 5,15-dihydroxy-6,8,11,13-eicosatetraenoic acid 50-62 linoleate 9S-lipoxygenase-4 Glycine max 9-21 6437870-5 1984 The lipoxygenase from soybeans also converts 5,15-di-HETE to these product(s) with a comparable initial rate but different kinetics. 5,15-dihydroxy-6,8,11,13-eicosatetraenoic acid 45-57 linoleate 9S-lipoxygenase-4 Glycine max 4-16 6437870-6 1984 These data suggest that 5,15-di-HETE is converted via a lipoxygenase reaction to 5,6,15-trihydroxy-7,9,11,13-(e,e,c,e)- and/or 5,14,15-trihydroxy-6,8,10,12-(e,c,e,e)-eicosatetraenoic acid, both of which contain a conjugated tetraene system. 5,15-dihydroxy-6,8,11,13-eicosatetraenoic acid 24-36 linoleate 9S-lipoxygenase-4 Glycine max 56-68 6437870-6 1984 These data suggest that 5,15-di-HETE is converted via a lipoxygenase reaction to 5,6,15-trihydroxy-7,9,11,13-(e,e,c,e)- and/or 5,14,15-trihydroxy-6,8,10,12-(e,c,e,e)-eicosatetraenoic acid, both of which contain a conjugated tetraene system. 5,6,15-trihydroxy-7,9,11,13-(e,e,c,e)- 81-119 linoleate 9S-lipoxygenase-4 Glycine max 56-68 6437870-6 1984 These data suggest that 5,15-di-HETE is converted via a lipoxygenase reaction to 5,6,15-trihydroxy-7,9,11,13-(e,e,c,e)- and/or 5,14,15-trihydroxy-6,8,10,12-(e,c,e,e)-eicosatetraenoic acid, both of which contain a conjugated tetraene system. 5,14,15-trihydroxy-6,8,10,12-(e,c,e,e)-eicosatetraenoic acid 127-187 linoleate 9S-lipoxygenase-4 Glycine max 56-68 6437870-6 1984 These data suggest that 5,15-di-HETE is converted via a lipoxygenase reaction to 5,6,15-trihydroxy-7,9,11,13-(e,e,c,e)- and/or 5,14,15-trihydroxy-6,8,10,12-(e,c,e,e)-eicosatetraenoic acid, both of which contain a conjugated tetraene system. tetraene 224-232 linoleate 9S-lipoxygenase-4 Glycine max 56-68 6433987-0 1984 Pentane formation during the anaerobic reactions of reticulocyte lipoxygenase. pentane 0-7 linoleate 9S-lipoxygenase-4 Glycine max 65-77 6433987-4 1984 Relative to the lipoxygenase activity with linoleic acid as substrate, soybean lipoxygenase is 4-times as effective in pentane formation as the lipoxygenases from reticulocytes or green pea seeds. Linoleic Acid 43-56 linoleate 9S-lipoxygenase-4 Glycine max 79-91 6433987-4 1984 Relative to the lipoxygenase activity with linoleic acid as substrate, soybean lipoxygenase is 4-times as effective in pentane formation as the lipoxygenases from reticulocytes or green pea seeds. pentane 119-126 linoleate 9S-lipoxygenase-4 Glycine max 79-91 6433987-5 1984 Pentane formation by the reticulocyte lipoxygenase is completely inhibited by lipoxygenase inhibitors (5,8,11,14-eicosatetraynoic acid, 3-t-butyl-4-hydroxyanisol) but only partially by radical scavengers which do not influence the oxygenase activity (2,6-di-t-butyl-4-hydroxytoluene). pentane 0-7 linoleate 9S-lipoxygenase-4 Glycine max 38-50 6433987-5 1984 Pentane formation by the reticulocyte lipoxygenase is completely inhibited by lipoxygenase inhibitors (5,8,11,14-eicosatetraynoic acid, 3-t-butyl-4-hydroxyanisol) but only partially by radical scavengers which do not influence the oxygenase activity (2,6-di-t-butyl-4-hydroxytoluene). pentane 0-7 linoleate 9S-lipoxygenase-4 Glycine max 78-90 6433987-5 1984 Pentane formation by the reticulocyte lipoxygenase is completely inhibited by lipoxygenase inhibitors (5,8,11,14-eicosatetraynoic acid, 3-t-butyl-4-hydroxyanisol) but only partially by radical scavengers which do not influence the oxygenase activity (2,6-di-t-butyl-4-hydroxytoluene). 5,8,11,14-Eicosatetraynoic Acid 103-134 linoleate 9S-lipoxygenase-4 Glycine max 38-50 6433987-5 1984 Pentane formation by the reticulocyte lipoxygenase is completely inhibited by lipoxygenase inhibitors (5,8,11,14-eicosatetraynoic acid, 3-t-butyl-4-hydroxyanisol) but only partially by radical scavengers which do not influence the oxygenase activity (2,6-di-t-butyl-4-hydroxytoluene). 5,8,11,14-Eicosatetraynoic Acid 103-134 linoleate 9S-lipoxygenase-4 Glycine max 78-90 6433987-5 1984 Pentane formation by the reticulocyte lipoxygenase is completely inhibited by lipoxygenase inhibitors (5,8,11,14-eicosatetraynoic acid, 3-t-butyl-4-hydroxyanisol) but only partially by radical scavengers which do not influence the oxygenase activity (2,6-di-t-butyl-4-hydroxytoluene). 3-t-butyl-4-hydroxyanisol 136-161 linoleate 9S-lipoxygenase-4 Glycine max 38-50 6433987-5 1984 Pentane formation by the reticulocyte lipoxygenase is completely inhibited by lipoxygenase inhibitors (5,8,11,14-eicosatetraynoic acid, 3-t-butyl-4-hydroxyanisol) but only partially by radical scavengers which do not influence the oxygenase activity (2,6-di-t-butyl-4-hydroxytoluene). 3-t-butyl-4-hydroxyanisol 136-161 linoleate 9S-lipoxygenase-4 Glycine max 78-90 6433987-5 1984 Pentane formation by the reticulocyte lipoxygenase is completely inhibited by lipoxygenase inhibitors (5,8,11,14-eicosatetraynoic acid, 3-t-butyl-4-hydroxyanisol) but only partially by radical scavengers which do not influence the oxygenase activity (2,6-di-t-butyl-4-hydroxytoluene). 2,6-di-t-butyl-4-hydroxytoluene 251-282 linoleate 9S-lipoxygenase-4 Glycine max 38-50 6433987-5 1984 Pentane formation by the reticulocyte lipoxygenase is completely inhibited by lipoxygenase inhibitors (5,8,11,14-eicosatetraynoic acid, 3-t-butyl-4-hydroxyanisol) but only partially by radical scavengers which do not influence the oxygenase activity (2,6-di-t-butyl-4-hydroxytoluene). 2,6-di-t-butyl-4-hydroxytoluene 251-282 linoleate 9S-lipoxygenase-4 Glycine max 78-90 6433987-6 1984 From the temperature dependence below 20 degrees C an activation energy of the pentane production by the reticulocyte lipoxygenase of about 28 kJ/mol was calculated, which is somewhat higher than that for the oxygenase activity. pentane 79-86 linoleate 9S-lipoxygenase-4 Glycine max 118-130 6433987-7 1984 During the anaerobic reaction of both reticulocyte and soybean lipoxygenase C18-oxodienes, C13-oxodienes, linoleic acid dimers and a polar compound proposed to be epoxy-hydroxyoctadecenoic acid are produced in a similar pattern. c18-oxodienes 76-89 linoleate 9S-lipoxygenase-4 Glycine max 63-75 6433987-7 1984 During the anaerobic reaction of both reticulocyte and soybean lipoxygenase C18-oxodienes, C13-oxodienes, linoleic acid dimers and a polar compound proposed to be epoxy-hydroxyoctadecenoic acid are produced in a similar pattern. c13-oxodienes 91-104 linoleate 9S-lipoxygenase-4 Glycine max 63-75 6433987-7 1984 During the anaerobic reaction of both reticulocyte and soybean lipoxygenase C18-oxodienes, C13-oxodienes, linoleic acid dimers and a polar compound proposed to be epoxy-hydroxyoctadecenoic acid are produced in a similar pattern. Linoleic Acid 106-119 linoleate 9S-lipoxygenase-4 Glycine max 63-75 6433987-7 1984 During the anaerobic reaction of both reticulocyte and soybean lipoxygenase C18-oxodienes, C13-oxodienes, linoleic acid dimers and a polar compound proposed to be epoxy-hydroxyoctadecenoic acid are produced in a similar pattern. epoxy-hydroxyoctadecenoic acid 163-193 linoleate 9S-lipoxygenase-4 Glycine max 63-75 6433987-8 1984 Reticulocyte lipoxygenase produces pentane with submitochondrial particles only under anaerobic conditions after an aerobic preincubation. pentane 35-42 linoleate 9S-lipoxygenase-4 Glycine max 13-25 6433987-10 1984 Preincubation of the cells with lipoxygenase inhibitors completely abolishes the pentane formation. pentane 81-88 linoleate 9S-lipoxygenase-4 Glycine max 32-44 16663862-5 1984 On the basis of the sensitivity of the lipoxygenase reaction to both inhibitors (about 90%), the first burst is tentatively assigned to oxy-radicals mobilized upon water uptake by the embryonic axes, and the second phase is tentatively identified as due to lipoxygenase activity. oxy-radicals 136-148 linoleate 9S-lipoxygenase-4 Glycine max 39-51 16663862-5 1984 On the basis of the sensitivity of the lipoxygenase reaction to both inhibitors (about 90%), the first burst is tentatively assigned to oxy-radicals mobilized upon water uptake by the embryonic axes, and the second phase is tentatively identified as due to lipoxygenase activity. Water 164-169 linoleate 9S-lipoxygenase-4 Glycine max 39-51 16663862-6 1984 The in vivo lipoxygenase activity of the embryonic axes was estimated by both the fraction of total oxygen uptake that was inhibited by butylated hydroxyanisole and by the fraction of photoemission that was inhibited by butylated hydroxyanisole and by salicylhydroxamic acid. Butylated Hydroxyanisole 136-160 linoleate 9S-lipoxygenase-4 Glycine max 12-24 16663862-6 1984 The in vivo lipoxygenase activity of the embryonic axes was estimated by both the fraction of total oxygen uptake that was inhibited by butylated hydroxyanisole and by the fraction of photoemission that was inhibited by butylated hydroxyanisole and by salicylhydroxamic acid. Butylated Hydroxyanisole 220-244 linoleate 9S-lipoxygenase-4 Glycine max 12-24 16663862-6 1984 The in vivo lipoxygenase activity of the embryonic axes was estimated by both the fraction of total oxygen uptake that was inhibited by butylated hydroxyanisole and by the fraction of photoemission that was inhibited by butylated hydroxyanisole and by salicylhydroxamic acid. salicylhydroxamic acid 252-274 linoleate 9S-lipoxygenase-4 Glycine max 12-24 16663862-8 1984 The measured chemiluminescence per O(2) uptake ratio (the experimental quantum yield) for the lipoxygenase reaction (3.3 x 10(-14) counts per O(2) molecule) was used to estimate the O(2) uptake due to lipoxygenase activity from the photoemission of the embryonic axes after 30 hours of imbibition. Oxygen 35-39 linoleate 9S-lipoxygenase-4 Glycine max 94-106 16663862-8 1984 The measured chemiluminescence per O(2) uptake ratio (the experimental quantum yield) for the lipoxygenase reaction (3.3 x 10(-14) counts per O(2) molecule) was used to estimate the O(2) uptake due to lipoxygenase activity from the photoemission of the embryonic axes after 30 hours of imbibition. Oxygen 35-39 linoleate 9S-lipoxygenase-4 Glycine max 201-213 16663862-8 1984 The measured chemiluminescence per O(2) uptake ratio (the experimental quantum yield) for the lipoxygenase reaction (3.3 x 10(-14) counts per O(2) molecule) was used to estimate the O(2) uptake due to lipoxygenase activity from the photoemission of the embryonic axes after 30 hours of imbibition. Oxygen 142-146 linoleate 9S-lipoxygenase-4 Glycine max 94-106 16663862-8 1984 The measured chemiluminescence per O(2) uptake ratio (the experimental quantum yield) for the lipoxygenase reaction (3.3 x 10(-14) counts per O(2) molecule) was used to estimate the O(2) uptake due to lipoxygenase activity from the photoemission of the embryonic axes after 30 hours of imbibition. Oxygen 142-146 linoleate 9S-lipoxygenase-4 Glycine max 201-213 6442774-2 1984 Albumin inhibited oxygen consumption by soybean lipoxygenase. Oxygen 18-24 linoleate 9S-lipoxygenase-4 Glycine max 48-60 6083770-9 1984 These oxygen species function as oxidizing agents for AA metabolism and amplify the production of hydroxyl radical along the lipoxygenase (and possibly cyclooxygenase) pathway(s). Oxygen 6-12 linoleate 9S-lipoxygenase-4 Glycine max 125-137 6083770-9 1984 These oxygen species function as oxidizing agents for AA metabolism and amplify the production of hydroxyl radical along the lipoxygenase (and possibly cyclooxygenase) pathway(s). Hydroxyl Radical 98-114 linoleate 9S-lipoxygenase-4 Glycine max 125-137 3936118-0 1985 Inhibition of soybean lipoxygenase by SKF 525-A and metyrapone. Metyrapone 52-62 linoleate 9S-lipoxygenase-4 Glycine max 22-34 3936118-1 1985 To determine whether agents which inhibit cytochrome P-450 enzymes also inhibit lipoxygenase, the effects of metyrapone and SKF 525-A were assessed on soybean lipoxygenase using a spectrophotometric technique which allows for measurement of both the rate and magnitude of product formation. Proadifen 124-133 linoleate 9S-lipoxygenase-4 Glycine max 159-171 6431500-0 1984 Iothalamate stimulates hydroperoxide formation by soybean lipoxygenase. Iothalamic Acid 0-11 linoleate 9S-lipoxygenase-4 Glycine max 58-70 6431500-0 1984 Iothalamate stimulates hydroperoxide formation by soybean lipoxygenase. Hydrogen Peroxide 23-36 linoleate 9S-lipoxygenase-4 Glycine max 58-70 6431500-1 1984 Sodium iothalamate produced a dose dependent increase in basal oxygen consumption when soybean lipoxygenase was incubated with arachidonic acid in 0.1M borate buffer pH 9.0. Iothalamic Acid 0-18 linoleate 9S-lipoxygenase-4 Glycine max 95-107 6431500-1 1984 Sodium iothalamate produced a dose dependent increase in basal oxygen consumption when soybean lipoxygenase was incubated with arachidonic acid in 0.1M borate buffer pH 9.0. Oxygen 63-69 linoleate 9S-lipoxygenase-4 Glycine max 95-107 6431500-1 1984 Sodium iothalamate produced a dose dependent increase in basal oxygen consumption when soybean lipoxygenase was incubated with arachidonic acid in 0.1M borate buffer pH 9.0. Arachidonic Acid 127-143 linoleate 9S-lipoxygenase-4 Glycine max 95-107 6431500-1 1984 Sodium iothalamate produced a dose dependent increase in basal oxygen consumption when soybean lipoxygenase was incubated with arachidonic acid in 0.1M borate buffer pH 9.0. Borates 152-158 linoleate 9S-lipoxygenase-4 Glycine max 95-107 6431500-4 1984 The increase in 1500H arachidonate formation could be blocked by mannitol which is an inhibitor of the lipoxygenase enzyme. 1500h arachidonate 16-34 linoleate 9S-lipoxygenase-4 Glycine max 103-115 6431500-4 1984 The increase in 1500H arachidonate formation could be blocked by mannitol which is an inhibitor of the lipoxygenase enzyme. Mannitol 65-73 linoleate 9S-lipoxygenase-4 Glycine max 103-115 6427320-0 1984 Determination of cis,cis-methylene interrupted polyunsaturated fatty acids in aqueous solutions by lipoxygenase chemiluminescence. cis,cis-methylene interrupted polyunsaturated fatty acids 17-74 linoleate 9S-lipoxygenase-4 Glycine max 99-111 6427320-1 1984 The chemiluminescent reaction of luminol during lipoxygenase-catalyzed oxygenations was studied with the purpose of developing a specific luminometric assay for cis,cis-1,4-pentadiene fatty acids directly in aqueous solutions. Luminol 33-40 linoleate 9S-lipoxygenase-4 Glycine max 48-60 6427320-1 1984 The chemiluminescent reaction of luminol during lipoxygenase-catalyzed oxygenations was studied with the purpose of developing a specific luminometric assay for cis,cis-1,4-pentadiene fatty acids directly in aqueous solutions. cis,cis-1,4-pentadiene fatty acids 161-195 linoleate 9S-lipoxygenase-4 Glycine max 48-60 6427320-2 1984 The addition of picomole levels of either linoleic or arachidonic acids to reaction systems containing 0.04 mM luminol and 40 micrograms/ml of purified soybean lipoxygenase-1 gave light emission curves with a single sharp maximum. Linoleic Acid 42-50 linoleate 9S-lipoxygenase-4 Glycine max 160-172 6427320-2 1984 The addition of picomole levels of either linoleic or arachidonic acids to reaction systems containing 0.04 mM luminol and 40 micrograms/ml of purified soybean lipoxygenase-1 gave light emission curves with a single sharp maximum. Arachidonic Acids 54-71 linoleate 9S-lipoxygenase-4 Glycine max 160-172 6427320-2 1984 The addition of picomole levels of either linoleic or arachidonic acids to reaction systems containing 0.04 mM luminol and 40 micrograms/ml of purified soybean lipoxygenase-1 gave light emission curves with a single sharp maximum. Luminol 111-118 linoleate 9S-lipoxygenase-4 Glycine max 160-172 6440550-2 1984 5,8,11-eicosatriynoic acid (ETrYA) is a powerful inactivator only for reticulocyte lipoxygenase. 5,8,11-eicosatriynoic acid 0-26 linoleate 9S-lipoxygenase-4 Glycine max 83-95 6421582-1 1984 The inactivation of soybean lipoxygenase by 5,8,11,14-eicosatetraynoic acid was studied in detail. 5,8,11,14-Eicosatetraynoic Acid 44-75 linoleate 9S-lipoxygenase-4 Glycine max 28-40 6440550-2 1984 5,8,11-eicosatriynoic acid (ETrYA) is a powerful inactivator only for reticulocyte lipoxygenase. 5,8,11-eicosatriynoic acid 28-33 linoleate 9S-lipoxygenase-4 Glycine max 83-95 6440550-3 1984 Several types of experimental evidence indicate that the acetylenic fatty acids act as suicidal substrates which are converted during the lipoxygenase reaction probably to allene hydroperoxides. acetylenic fatty acids 57-79 linoleate 9S-lipoxygenase-4 Glycine max 138-150 6440550-3 1984 Several types of experimental evidence indicate that the acetylenic fatty acids act as suicidal substrates which are converted during the lipoxygenase reaction probably to allene hydroperoxides. allene hydroperoxides 172-193 linoleate 9S-lipoxygenase-4 Glycine max 138-150 6421635-0 1984 New aspects of the inhibition of soybean lipoxygenase by alpha-tocopherol. alpha-Tocopherol 57-73 linoleate 9S-lipoxygenase-4 Glycine max 41-53 6428914-0 1984 Soybean lipoxygenase inhibition: studies with the sulphasalazine metabolites N-acetylaminosalicylic acid, 5-aminosalicylic acid and sulphapyridine. Sulfasalazine 50-64 linoleate 9S-lipoxygenase-4 Glycine max 8-20 6428914-2 1984 In an extension of a recent study which showed that therapeutically active compounds, such as sulphasalazine and its colonic metabolite 5-aminosalicylic acid were soybean lipoxygenase inhibitors, it has now been shown that N-acetylaminosalicylic acid, the principal metabolite of 5-aminosalicylic acid, also inhibits soybean lipoxygenase in a dose dependent and noncompetitive manner (Ki 3.0 X 10(-8) M, IC50 250 microM). Sulfasalazine 94-108 linoleate 9S-lipoxygenase-4 Glycine max 171-183 6428914-2 1984 In an extension of a recent study which showed that therapeutically active compounds, such as sulphasalazine and its colonic metabolite 5-aminosalicylic acid were soybean lipoxygenase inhibitors, it has now been shown that N-acetylaminosalicylic acid, the principal metabolite of 5-aminosalicylic acid, also inhibits soybean lipoxygenase in a dose dependent and noncompetitive manner (Ki 3.0 X 10(-8) M, IC50 250 microM). Sulfasalazine 94-108 linoleate 9S-lipoxygenase-4 Glycine max 325-337 6428914-2 1984 In an extension of a recent study which showed that therapeutically active compounds, such as sulphasalazine and its colonic metabolite 5-aminosalicylic acid were soybean lipoxygenase inhibitors, it has now been shown that N-acetylaminosalicylic acid, the principal metabolite of 5-aminosalicylic acid, also inhibits soybean lipoxygenase in a dose dependent and noncompetitive manner (Ki 3.0 X 10(-8) M, IC50 250 microM). Mesalamine 136-157 linoleate 9S-lipoxygenase-4 Glycine max 171-183 6428914-2 1984 In an extension of a recent study which showed that therapeutically active compounds, such as sulphasalazine and its colonic metabolite 5-aminosalicylic acid were soybean lipoxygenase inhibitors, it has now been shown that N-acetylaminosalicylic acid, the principal metabolite of 5-aminosalicylic acid, also inhibits soybean lipoxygenase in a dose dependent and noncompetitive manner (Ki 3.0 X 10(-8) M, IC50 250 microM). Mesalamine 136-157 linoleate 9S-lipoxygenase-4 Glycine max 325-337 6421635-2 1984 The formation of alpha-tocopherol--lipoxygenase complex was elucidated using immobilized affinity purified soybean lipoxygenase and [D-3H]alpha-tocopherol. Tocopherols 23-33 linoleate 9S-lipoxygenase-4 Glycine max 35-47 6421635-2 1984 The formation of alpha-tocopherol--lipoxygenase complex was elucidated using immobilized affinity purified soybean lipoxygenase and [D-3H]alpha-tocopherol. Tocopherols 23-33 linoleate 9S-lipoxygenase-4 Glycine max 115-127 6421635-2 1984 The formation of alpha-tocopherol--lipoxygenase complex was elucidated using immobilized affinity purified soybean lipoxygenase and [D-3H]alpha-tocopherol. [d-3h]alpha-tocopherol 132-154 linoleate 9S-lipoxygenase-4 Glycine max 35-47 6421635-4 1984 Iodoacetate modified immobilized lipoxygenase did not form the complex with alpha-tocopherol. Iodoacetates 0-11 linoleate 9S-lipoxygenase-4 Glycine max 33-45 6421635-5 1984 Lipoxygenase attached to an aminoethyl linoleyl Sepharose column was eluted by alpha-tocopherol. aminoethyl linoleyl sepharose 28-57 linoleate 9S-lipoxygenase-4 Glycine max 0-12 6421635-5 1984 Lipoxygenase attached to an aminoethyl linoleyl Sepharose column was eluted by alpha-tocopherol. alpha-Tocopherol 79-95 linoleate 9S-lipoxygenase-4 Glycine max 0-12 6421635-6 1984 DL-alpha-Tocopherol acetate at a concentration of 3 X 10(-3) M inhibited 80% of linoleate oxidation by soybean lipoxygenase. DL-alpha-Tocopherol acetate 0-27 linoleate 9S-lipoxygenase-4 Glycine max 111-123 6421635-6 1984 DL-alpha-Tocopherol acetate at a concentration of 3 X 10(-3) M inhibited 80% of linoleate oxidation by soybean lipoxygenase. Linoleic Acid 80-89 linoleate 9S-lipoxygenase-4 Glycine max 111-123 6421635-7 1984 The lipoxygenase--alpha-tocopherol complex did not give the usual soybean lipoxygenase antigenic pattern in immunodiffusion. alpha-Tocopherol 18-34 linoleate 9S-lipoxygenase-4 Glycine max 4-16 6421635-8 1984 Digestion of the [3H]alpha-tocopherol--lipoxygenase complex with proteolytic enzymes showed that most of the radioactivity is incorporated into one peptide. Tritium 18-20 linoleate 9S-lipoxygenase-4 Glycine max 39-51 6413205-2 1983 Lipoxygenase (EC 1.13.11.12) was enriched 20-fold from soybean acetone powder. Acetone 63-70 linoleate 9S-lipoxygenase-4 Glycine max 0-12 6413205-3 1983 Linoleic acid was peroxidized with lipoxygenase and then used as a substrate in the glutathione peroxidase reaction. Linoleic Acid 0-13 linoleate 9S-lipoxygenase-4 Glycine max 35-47 6316436-3 1983 The radiolabeled lipoxygenase metabolites were isolated by a combination of organic extraction, silicic acid chromatography and reverse-phase high pressure liquid chromatography (RP-HPLC). Silicic Acid 96-108 linoleate 9S-lipoxygenase-4 Glycine max 17-29 6412709-7 1983 Two members of this new family of fatty acids (5 and 6) were found to inhibit the catalysis of the oxygenation of linoleic acid by soybean type-1 lipoxygenase. Fatty Acids 34-45 linoleate 9S-lipoxygenase-4 Glycine max 146-158 6412709-7 1983 Two members of this new family of fatty acids (5 and 6) were found to inhibit the catalysis of the oxygenation of linoleic acid by soybean type-1 lipoxygenase. Linoleic Acid 114-127 linoleate 9S-lipoxygenase-4 Glycine max 146-158 6414114-0 1983 Styrene oxidation to styrene oxide coupled with arachidonic acid oxidation by soybean lipoxygenase. Arachidonic Acid 48-64 linoleate 9S-lipoxygenase-4 Glycine max 86-98 6414114-1 1983 Styrene was co-oxidated to styrene oxide during soybean lipoxygenase catalyzed formation of arachidonic acid lipid peroxides. Styrene 0-7 linoleate 9S-lipoxygenase-4 Glycine max 56-68 6414114-1 1983 Styrene was co-oxidated to styrene oxide during soybean lipoxygenase catalyzed formation of arachidonic acid lipid peroxides. styrene oxide 27-40 linoleate 9S-lipoxygenase-4 Glycine max 56-68 6414114-1 1983 Styrene was co-oxidated to styrene oxide during soybean lipoxygenase catalyzed formation of arachidonic acid lipid peroxides. arachidonic acid lipid peroxides 92-124 linoleate 9S-lipoxygenase-4 Glycine max 56-68 6418158-3 1983 Haemoglobin augments also the lipoxygenase-induced loss of acid-labile sulphur in ETP not related to respiratory inhibition. Ethionamide 82-85 linoleate 9S-lipoxygenase-4 Glycine max 30-42 6199312-2 1984 15-Hydroxyeicosatetraenoic acid (15-HETE) was prepared by soybean lipoxygenase-mediated oxygenation of arachidonic acid to 15-hydroperoxyeicosatetraenoic acid (15-HETE) and subsequent reduction by NaBH4. 15-hydroperoxyeicosatetraenoic acid 123-158 linoleate 9S-lipoxygenase-4 Glycine max 66-78 6199312-2 1984 15-Hydroxyeicosatetraenoic acid (15-HETE) was prepared by soybean lipoxygenase-mediated oxygenation of arachidonic acid to 15-hydroperoxyeicosatetraenoic acid (15-HETE) and subsequent reduction by NaBH4. 15-Hete 160-167 linoleate 9S-lipoxygenase-4 Glycine max 66-78 6199312-2 1984 15-Hydroxyeicosatetraenoic acid (15-HETE) was prepared by soybean lipoxygenase-mediated oxygenation of arachidonic acid to 15-hydroperoxyeicosatetraenoic acid (15-HETE) and subsequent reduction by NaBH4. sodium borohydride 197-202 linoleate 9S-lipoxygenase-4 Glycine max 66-78 6411134-3 1983 The rate of arachidonate oxidation by soybean lipoxygenase in the presence of these lipoproteins was either unaffected or decreased. Arachidonic Acid 12-24 linoleate 9S-lipoxygenase-4 Glycine max 46-58 6408711-2 1983 It was found that the best inhibitors of lipoxygenase were naproxen, BW 755C, indomethacin and isoxicam. Naproxen 59-67 linoleate 9S-lipoxygenase-4 Glycine max 41-53 6408711-2 1983 It was found that the best inhibitors of lipoxygenase were naproxen, BW 755C, indomethacin and isoxicam. 4,5-Dihydro-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-3-amine 69-76 linoleate 9S-lipoxygenase-4 Glycine max 41-53 6408711-2 1983 It was found that the best inhibitors of lipoxygenase were naproxen, BW 755C, indomethacin and isoxicam. Indomethacin 78-90 linoleate 9S-lipoxygenase-4 Glycine max 41-53 6408711-2 1983 It was found that the best inhibitors of lipoxygenase were naproxen, BW 755C, indomethacin and isoxicam. isoxicam 95-103 linoleate 9S-lipoxygenase-4 Glycine max 41-53 6199312-2 1984 15-Hydroxyeicosatetraenoic acid (15-HETE) was prepared by soybean lipoxygenase-mediated oxygenation of arachidonic acid to 15-hydroperoxyeicosatetraenoic acid (15-HETE) and subsequent reduction by NaBH4. Eicosatetraenoic acid, 15-hydroxy- 0-31 linoleate 9S-lipoxygenase-4 Glycine max 66-78 6199312-2 1984 15-Hydroxyeicosatetraenoic acid (15-HETE) was prepared by soybean lipoxygenase-mediated oxygenation of arachidonic acid to 15-hydroperoxyeicosatetraenoic acid (15-HETE) and subsequent reduction by NaBH4. 15-Hete 33-40 linoleate 9S-lipoxygenase-4 Glycine max 66-78 6199312-2 1984 15-Hydroxyeicosatetraenoic acid (15-HETE) was prepared by soybean lipoxygenase-mediated oxygenation of arachidonic acid to 15-hydroperoxyeicosatetraenoic acid (15-HETE) and subsequent reduction by NaBH4. Arachidonic Acid 103-119 linoleate 9S-lipoxygenase-4 Glycine max 66-78 6303533-1 1983 Electron spin resonance (ESR) spectra have been recorded for 5-doxylstearate (I) and 16-doxylstearate (II) in the presence of bacterial luciferase and soybean lipoxygenase. 5-doxylstearic acid 61-76 linoleate 9S-lipoxygenase-4 Glycine max 159-171 6419240-2 1983 A variety of prostaglandin synthetase inhibitors are cooxygenated during arachidonic acid peroxidation catalyzed by rat renal medulla prostaglandin synthetase or soybean lipoxygenase. Prostaglandins 13-26 linoleate 9S-lipoxygenase-4 Glycine max 170-182 6419240-2 1983 A variety of prostaglandin synthetase inhibitors are cooxygenated during arachidonic acid peroxidation catalyzed by rat renal medulla prostaglandin synthetase or soybean lipoxygenase. Arachidonic Acid 73-89 linoleate 9S-lipoxygenase-4 Glycine max 170-182 6814209-2 1982 We found that besides this compound a variety of hydrazones derived from other ketones and hydrazines exhibited similar or more interesting inhibition patterns both against soybean lipoxygenase and rat renal prostaglandin synthetase. Ketones 79-86 linoleate 9S-lipoxygenase-4 Glycine max 181-193 16662797-0 1983 Structural Features Required for Inhibition of Soybean Lipoxygenase-2 by Propyl Gallate : Evidence that Lipoxygenase Activity Is Distinct from the Alternative Pathway. Propyl Gallate 73-87 linoleate 9S-lipoxygenase-4 Glycine max 104-116 16662797-4 1983 The results indicate that the o-dihydroxy and not the ester function of propyl gallate is essential for inhibition of lipoxygenase. Propyl Gallate 72-86 linoleate 9S-lipoxygenase-4 Glycine max 118-130 16662797-6 1983 Among those compounds possessing an o-dihydroxy function, the K(i)" for inhibition of lipoxygenase is directly related to the lipophilicity of the inhibitor as measured by the octanol-water partition coefficient. Octanols 176-183 linoleate 9S-lipoxygenase-4 Glycine max 86-98 16662797-6 1983 Among those compounds possessing an o-dihydroxy function, the K(i)" for inhibition of lipoxygenase is directly related to the lipophilicity of the inhibitor as measured by the octanol-water partition coefficient. Water 184-189 linoleate 9S-lipoxygenase-4 Glycine max 86-98 16662797-7 1983 The structural features of propyl gallate necessary for inhibition of lipoxygenase were found to differ from those required for inhibition of the plant mitochondrial alternative pathway. Propyl Gallate 27-41 linoleate 9S-lipoxygenase-4 Glycine max 70-82 6817003-4 1982 A 5S,15S-dihydroxy-6,8,11,13(E,Z,Z,E)-eicosatetraenoic acid was obtained from incubations of 5S-hydroxy-6,8,11,14(E,Z,Z,Z)-eicosatetraenoic acid with the soybean lipoxygenase and reduction with stannous chloride, and was used as reference compound. 5s,15s-dihydroxy-6,8,11,13(e,z,z,e)-eicosatetraenoic acid 2-59 linoleate 9S-lipoxygenase-4 Glycine max 162-174 6817003-4 1982 A 5S,15S-dihydroxy-6,8,11,13(E,Z,Z,E)-eicosatetraenoic acid was obtained from incubations of 5S-hydroxy-6,8,11,14(E,Z,Z,Z)-eicosatetraenoic acid with the soybean lipoxygenase and reduction with stannous chloride, and was used as reference compound. 5s-hydroxy-6,8,11,14(e,z,z,z)-eicosatetraenoic acid 93-144 linoleate 9S-lipoxygenase-4 Glycine max 162-174 16662797-0 1983 Structural Features Required for Inhibition of Soybean Lipoxygenase-2 by Propyl Gallate : Evidence that Lipoxygenase Activity Is Distinct from the Alternative Pathway. Propyl Gallate 73-87 linoleate 9S-lipoxygenase-4 Glycine max 55-67 27519438-2 1982 Separation of Ca(2+)-stimulated lipoxygenase from lipoxygenase active in the absence of Ca(2+) (lipoxygenase-1) was readily obtained using a DEAE-cellulose column. DEAE-Cellulose 141-155 linoleate 9S-lipoxygenase-4 Glycine max 32-44 27519438-2 1982 Separation of Ca(2+)-stimulated lipoxygenase from lipoxygenase active in the absence of Ca(2+) (lipoxygenase-1) was readily obtained using a DEAE-cellulose column. DEAE-Cellulose 141-155 linoleate 9S-lipoxygenase-4 Glycine max 50-62 27519438-5 1982 Ca(2+)-stimulated lipoxygenase bound to DAAE-cellulose required the use of a NaCl gradient for elution. daae-cellulose 40-54 linoleate 9S-lipoxygenase-4 Glycine max 18-30 27519438-5 1982 Ca(2+)-stimulated lipoxygenase bound to DAAE-cellulose required the use of a NaCl gradient for elution. Sodium Chloride 77-81 linoleate 9S-lipoxygenase-4 Glycine max 18-30 27519438-6 1982 Ca(2+)-stimulated lipoxygenase showed an apparent isoelectric point at pH 5.90 and optimum activity at pH 7.5 and at 1.1 mM calcium. Calcium 124-131 linoleate 9S-lipoxygenase-4 Glycine max 18-30 6814209-1 1982 Acetone phenylhydrazone has recently been discovered as a predominant inhibitor of arachidonic acid lipoxygenase in platelets [1]. acetone phenylhydrazone 0-23 linoleate 9S-lipoxygenase-4 Glycine max 100-112 6814209-2 1982 We found that besides this compound a variety of hydrazones derived from other ketones and hydrazines exhibited similar or more interesting inhibition patterns both against soybean lipoxygenase and rat renal prostaglandin synthetase. Hydrazones 49-59 linoleate 9S-lipoxygenase-4 Glycine max 181-193 6814209-2 1982 We found that besides this compound a variety of hydrazones derived from other ketones and hydrazines exhibited similar or more interesting inhibition patterns both against soybean lipoxygenase and rat renal prostaglandin synthetase. Hydrazines 91-101 linoleate 9S-lipoxygenase-4 Glycine max 181-193 16661801-0 1981 Use of Tetraethylthiuram Disulfide to Discriminate between Alternative Respiration and Lipoxygenase. Disulfiram 7-34 linoleate 9S-lipoxygenase-4 Glycine max 87-99 6788761-0 1981 Deuterium nuclear magnetic resonance study of the interaction of substrates and inhibitors with soybean lipoxygenase. Deuterium 0-9 linoleate 9S-lipoxygenase-4 Glycine max 104-116 6788761-4 1981 Kinetic measurements established Ki = 1.5 X 10(-3) M for dodecanoic acid (lauric acid) inhibition of lipoxygenase when the substrate is linoleic acid (Km = 2.6 X 10(-5) M). lauric acid 57-72 linoleate 9S-lipoxygenase-4 Glycine max 101-113 6788761-4 1981 Kinetic measurements established Ki = 1.5 X 10(-3) M for dodecanoic acid (lauric acid) inhibition of lipoxygenase when the substrate is linoleic acid (Km = 2.6 X 10(-5) M). lauric acid 74-85 linoleate 9S-lipoxygenase-4 Glycine max 101-113 6788761-4 1981 Kinetic measurements established Ki = 1.5 X 10(-3) M for dodecanoic acid (lauric acid) inhibition of lipoxygenase when the substrate is linoleic acid (Km = 2.6 X 10(-5) M). Linoleic Acid 136-149 linoleate 9S-lipoxygenase-4 Glycine max 101-113 16661801-4 1981 These mitochondria also possessed lipoxygenase activity, as determined by O(2) uptake in the presence of 0.8 millimolar linoleic acid. o(2) 74-78 linoleate 9S-lipoxygenase-4 Glycine max 34-46 16661801-4 1981 These mitochondria also possessed lipoxygenase activity, as determined by O(2) uptake in the presence of 0.8 millimolar linoleic acid. Linoleic Acid 120-133 linoleate 9S-lipoxygenase-4 Glycine max 34-46 16661801-7 1981 Use of tetraethylthiuram disulfide allows discrimination between alternative respiration and lipoxygenase activity in mitochondria. Disulfiram 7-34 linoleate 9S-lipoxygenase-4 Glycine max 93-105 6783111-12 1981 A series of phenyl hydrazone inhibitors of various structural types were discovered to be potent inhibitors of the human platelet lipoxygenase. phenylhydrazone 12-28 linoleate 9S-lipoxygenase-4 Glycine max 130-142 6776993-1 1980 The absolute configurations of a number of unsaturated hydroperoxy fatty acids obtained by lipoxygenase catalysis were investigated by capillary gas-liquid chromatography after proper derivatization. unsaturated hydroperoxy fatty acids 43-78 linoleate 9S-lipoxygenase-4 Glycine max 91-103 6779301-4 1980 Epinephrine was assessed for its effects on the lag phase in activation of soybean lipoxygenase and was found to cause a similar reduction of the lag phase of this related enzyme. Epinephrine 0-11 linoleate 9S-lipoxygenase-4 Glycine max 83-95 6779301-5 1980 These findings support the concept that reduction of Fe3+-heme to Fe2+-heme is critical to activation of both the prostaglandin endoperoxide synthetase and soybean lipoxygenase enzymes, and that mechanisms involved in regulation of the valence of iron are important for regulating enzyme activity. fe3+-heme 53-62 linoleate 9S-lipoxygenase-4 Glycine max 164-176 6779301-5 1980 These findings support the concept that reduction of Fe3+-heme to Fe2+-heme is critical to activation of both the prostaglandin endoperoxide synthetase and soybean lipoxygenase enzymes, and that mechanisms involved in regulation of the valence of iron are important for regulating enzyme activity. fe2+-heme 66-75 linoleate 9S-lipoxygenase-4 Glycine max 164-176 6109281-5 1980 SRS-GSH, SRS-Cys-Gly, and SRS-Cys may be readily distinguished from each other by means of their bioactivities, antagonism by FPL 55712, and relative susceptibilities to the actions of soybean lipoxygenase, microsome-bound leucine aminopeptidase, and gamma-glutamyl transpeptidase. srs-cys 26-33 linoleate 9S-lipoxygenase-4 Glycine max 193-205 6776357-0 1980 Oxidation of 3-oxygenated delta 4 and delta 5 - C27 steroids by soybean lipoxygenase and rat liver microsomes. Steroids 52-60 linoleate 9S-lipoxygenase-4 Glycine max 72-84 6776357-1 1980 The formation of dioxygenated metabolites of cholesterol, epicholesterol (5-cholesten-3 alpha-ol) 4-cholesten-3 beta-ol, 4-cholesten-3 alpha-one and 4-stigmasten-3-one was studied after incubations with soybean lipoxygenase and linoleic acid. 5-Cholesten-3-alpha-ol 74-96 linoleate 9S-lipoxygenase-4 Glycine max 211-223 6776357-9 1980 With iron-supplemented microsomes from rat liver, the compounds formed were qualitatively and quantitatively the same as with soybean lipoxygenase, whereas with 18,000 X g rat liver supernatant fractions the yields of all products formed--except 7 alpha-hydroxycholesterol and 6 beta-hydroxy-4-cholesten-3-one--were markedly decreased. Iron 5-9 linoleate 9S-lipoxygenase-4 Glycine max 134-146 6776357-10 1980 The results indicate the presence of a rat liver microsomal 6 beta-hydroxylase which can use 4-cholesten-3-one as a substrate and extend previous findings of similarities between soybean lipoxygenase and a nonspecific lipoxygenase in rat liver microsomes. cholest-4-en-3-one 93-110 linoleate 9S-lipoxygenase-4 Glycine max 187-199 6776357-10 1980 The results indicate the presence of a rat liver microsomal 6 beta-hydroxylase which can use 4-cholesten-3-one as a substrate and extend previous findings of similarities between soybean lipoxygenase and a nonspecific lipoxygenase in rat liver microsomes. cholest-4-en-3-one 93-110 linoleate 9S-lipoxygenase-4 Glycine max 218-230 6250632-2 1980 The zero-field splitting constants (D) of the different components building up the high-spin Fe(III) EPR spectrum of lipoxygenase from soybeans were determined by two methods: (1) temperature dependence studies using the low-spin Fe(III) signal of cytochrome c at g 3 for accurate measuring of the temperature in the sample; (2) by establishing g-shift upon increasing the microwave frequency. ferric sulfate 93-100 linoleate 9S-lipoxygenase-4 Glycine max 117-129 6250632-2 1980 The zero-field splitting constants (D) of the different components building up the high-spin Fe(III) EPR spectrum of lipoxygenase from soybeans were determined by two methods: (1) temperature dependence studies using the low-spin Fe(III) signal of cytochrome c at g 3 for accurate measuring of the temperature in the sample; (2) by establishing g-shift upon increasing the microwave frequency. ferric sulfate 230-237 linoleate 9S-lipoxygenase-4 Glycine max 117-129 119581-1 1979 Several 2,5-disubstituted furans, which are known to react with peroxyacids, singlet oxygen and other active forms of oxygen were tested as potential inhibitors, co-oxidants, or substrates for soybean lipoxygenase. 2,5-disubstituted 8-25 linoleate 9S-lipoxygenase-4 Glycine max 201-213 6767147-1 1980 Incubation of linoleic acid with partially purified lipoxygenase from rice germ yielded a ratio of 9- to 13-hydroperoxides of linoleic acid of 97:3 as measured by high performance liquid chromatography. Linoleic Acid 14-27 linoleate 9S-lipoxygenase-4 Glycine max 52-64 6767147-1 1980 Incubation of linoleic acid with partially purified lipoxygenase from rice germ yielded a ratio of 9- to 13-hydroperoxides of linoleic acid of 97:3 as measured by high performance liquid chromatography. 9- to 13-hydroperoxides 99-122 linoleate 9S-lipoxygenase-4 Glycine max 52-64 6767147-1 1980 Incubation of linoleic acid with partially purified lipoxygenase from rice germ yielded a ratio of 9- to 13-hydroperoxides of linoleic acid of 97:3 as measured by high performance liquid chromatography. Linoleic Acid 126-139 linoleate 9S-lipoxygenase-4 Glycine max 52-64 117839-0 1979 Co-oxidation of carotenes requires one soybean lipoxygenase isoenzyme. Carotenoids 16-25 linoleate 9S-lipoxygenase-4 Glycine max 47-59 117839-1 1979 The type II lipoxygenase (optimum pH 6.5) from soybeans was purified and separated into two fractions either by chromatography on DEAE-Sephadex or by isoelectric focusing. DEAE-Dextran 130-143 linoleate 9S-lipoxygenase-4 Glycine max 12-24 117839-3 1979 Oxygenation of linoleic acid and co-oxidation of canthaxanthine by type II lipoxygenase is stimulated by 13-hydroperoxy-cis-9,trans-11-octadecadienoic acid but not by 13-hydroxy-cis-9,trans-11-octadecadienoic acid or 9-hydroperoxy-trans-10,cis-12-octadecadienoic acid. Linoleic Acid 15-28 linoleate 9S-lipoxygenase-4 Glycine max 75-87 117839-3 1979 Oxygenation of linoleic acid and co-oxidation of canthaxanthine by type II lipoxygenase is stimulated by 13-hydroperoxy-cis-9,trans-11-octadecadienoic acid but not by 13-hydroxy-cis-9,trans-11-octadecadienoic acid or 9-hydroperoxy-trans-10,cis-12-octadecadienoic acid. Canthaxanthin 49-63 linoleate 9S-lipoxygenase-4 Glycine max 75-87 117839-3 1979 Oxygenation of linoleic acid and co-oxidation of canthaxanthine by type II lipoxygenase is stimulated by 13-hydroperoxy-cis-9,trans-11-octadecadienoic acid but not by 13-hydroxy-cis-9,trans-11-octadecadienoic acid or 9-hydroperoxy-trans-10,cis-12-octadecadienoic acid. 13-hydroperoxy-cis-9,trans-11-octadecadienoic acid 105-155 linoleate 9S-lipoxygenase-4 Glycine max 75-87 117839-3 1979 Oxygenation of linoleic acid and co-oxidation of canthaxanthine by type II lipoxygenase is stimulated by 13-hydroperoxy-cis-9,trans-11-octadecadienoic acid but not by 13-hydroxy-cis-9,trans-11-octadecadienoic acid or 9-hydroperoxy-trans-10,cis-12-octadecadienoic acid. Coriolic acid 167-213 linoleate 9S-lipoxygenase-4 Glycine max 75-87 117839-3 1979 Oxygenation of linoleic acid and co-oxidation of canthaxanthine by type II lipoxygenase is stimulated by 13-hydroperoxy-cis-9,trans-11-octadecadienoic acid but not by 13-hydroxy-cis-9,trans-11-octadecadienoic acid or 9-hydroperoxy-trans-10,cis-12-octadecadienoic acid. 9-hydroperoxy-trans-10,cis-12-octadecadienoic acid 217-267 linoleate 9S-lipoxygenase-4 Glycine max 75-87 119581-2 1979 The furan, 10,13-epoxy-octadeca-10,12-dienoic acid, methyl ester (IV) was converted by lipoxygenase or singlet oxygen or peroxyacid to the acyclic product, methyl 10,13-dioxo-octadec-11-enoate. methyl 10,13-dioxo-octadec-11-enoate 156-192 linoleate 9S-lipoxygenase-4 Glycine max 87-99 119581-3 1979 Apparently furan IV is able to interact with an active site of lipoxygenase (Km = 220 microM). furan 11-16 linoleate 9S-lipoxygenase-4 Glycine max 63-75 119581-5 1979 Lipoxygenase-catalyzed oxidation of furan (IV), which is inhibited by hydroquinone, is explained by a mechanism involving lipoxygenase-superoxide complex and furan-radical intermediates. furan 36-41 linoleate 9S-lipoxygenase-4 Glycine max 0-12 119581-5 1979 Lipoxygenase-catalyzed oxidation of furan (IV), which is inhibited by hydroquinone, is explained by a mechanism involving lipoxygenase-superoxide complex and furan-radical intermediates. furan 36-41 linoleate 9S-lipoxygenase-4 Glycine max 122-134 119581-5 1979 Lipoxygenase-catalyzed oxidation of furan (IV), which is inhibited by hydroquinone, is explained by a mechanism involving lipoxygenase-superoxide complex and furan-radical intermediates. hydroquinone 70-82 linoleate 9S-lipoxygenase-4 Glycine max 0-12 119581-5 1979 Lipoxygenase-catalyzed oxidation of furan (IV), which is inhibited by hydroquinone, is explained by a mechanism involving lipoxygenase-superoxide complex and furan-radical intermediates. hydroquinone 70-82 linoleate 9S-lipoxygenase-4 Glycine max 122-134 119581-5 1979 Lipoxygenase-catalyzed oxidation of furan (IV), which is inhibited by hydroquinone, is explained by a mechanism involving lipoxygenase-superoxide complex and furan-radical intermediates. Superoxides 135-145 linoleate 9S-lipoxygenase-4 Glycine max 0-12 119581-5 1979 Lipoxygenase-catalyzed oxidation of furan (IV), which is inhibited by hydroquinone, is explained by a mechanism involving lipoxygenase-superoxide complex and furan-radical intermediates. Superoxides 135-145 linoleate 9S-lipoxygenase-4 Glycine max 122-134 119581-5 1979 Lipoxygenase-catalyzed oxidation of furan (IV), which is inhibited by hydroquinone, is explained by a mechanism involving lipoxygenase-superoxide complex and furan-radical intermediates. furan-radical 158-171 linoleate 9S-lipoxygenase-4 Glycine max 0-12 119581-1 1979 Several 2,5-disubstituted furans, which are known to react with peroxyacids, singlet oxygen and other active forms of oxygen were tested as potential inhibitors, co-oxidants, or substrates for soybean lipoxygenase. Furans 26-32 linoleate 9S-lipoxygenase-4 Glycine max 201-213 119581-2 1979 The furan, 10,13-epoxy-octadeca-10,12-dienoic acid, methyl ester (IV) was converted by lipoxygenase or singlet oxygen or peroxyacid to the acyclic product, methyl 10,13-dioxo-octadec-11-enoate. furan 4-9 linoleate 9S-lipoxygenase-4 Glycine max 87-99 119581-2 1979 The furan, 10,13-epoxy-octadeca-10,12-dienoic acid, methyl ester (IV) was converted by lipoxygenase or singlet oxygen or peroxyacid to the acyclic product, methyl 10,13-dioxo-octadec-11-enoate. 10,13-epoxy-octadeca-10,12-dienoic acid, methyl ester 11-64 linoleate 9S-lipoxygenase-4 Glycine max 87-99 111925-7 1979 With electron transfer particles the reticulocyte lipoxygenase causes a loss of acid-labile sulfur which accompanies respiratory inhibition; the strong respiratory inhibition is not exerted by soybean lipoxygenase. Sulfur 92-98 linoleate 9S-lipoxygenase-4 Glycine max 50-62 409781-1 1977 Intradermal injection of as little as 500 ng of arachidonic acid or the metabolites from arachidonic acid incubated with soybean lipoxygenase produced infiltration of the upper dermis by polymorphonuclear leukocytes 18 hours after injection. Arachidonic Acid 48-64 linoleate 9S-lipoxygenase-4 Glycine max 129-141 16660540-5 1978 Soybean lipoxygenase exhibits similar characteristics of insensitivity to cyanide and sensitivity to salicylhydroxamate and to propyl gallate. Cyanides 74-81 linoleate 9S-lipoxygenase-4 Glycine max 8-20 16660540-5 1978 Soybean lipoxygenase exhibits similar characteristics of insensitivity to cyanide and sensitivity to salicylhydroxamate and to propyl gallate. salicylhydroxamic acid 101-119 linoleate 9S-lipoxygenase-4 Glycine max 8-20 16660540-5 1978 Soybean lipoxygenase exhibits similar characteristics of insensitivity to cyanide and sensitivity to salicylhydroxamate and to propyl gallate. Propyl Gallate 127-141 linoleate 9S-lipoxygenase-4 Glycine max 8-20 16660540-6 1978 The initial burst of respiration is enhanced by the addition of linoleic acid, a lipoxygenase substrate. Linoleic Acid 64-77 linoleate 9S-lipoxygenase-4 Glycine max 81-93 16660540-7 1978 These results indicate that the conventional tests for alternate respiration in plant tissues can be confounded by lipoxygenase; they also suggest that propyl gallate can be used to assess the possible participation of lipoxygenase in the O(2) uptake by plant tissues. o(2) 239-243 linoleate 9S-lipoxygenase-4 Glycine max 219-231 409781-1 1977 Intradermal injection of as little as 500 ng of arachidonic acid or the metabolites from arachidonic acid incubated with soybean lipoxygenase produced infiltration of the upper dermis by polymorphonuclear leukocytes 18 hours after injection. Arachidonic Acid 89-105 linoleate 9S-lipoxygenase-4 Glycine max 129-141 822867-0 1976 Steady-state kinetics of lipoxygenase oxygenation of unsaturated fatty acids. Fatty Acids, Unsaturated 53-76 linoleate 9S-lipoxygenase-4 Glycine max 25-37 409781-2 1977 In experiments comparing the chemotactic properties of four fatty acids in varying concentrations, oxidative products of arachidonic acid by soybean lipoxygenase were the most powerful followed by free arachidonic acid and free linoleic acid while stearic acid did not produce significant infiltration. Fatty Acids 60-71 linoleate 9S-lipoxygenase-4 Glycine max 149-161 409781-2 1977 In experiments comparing the chemotactic properties of four fatty acids in varying concentrations, oxidative products of arachidonic acid by soybean lipoxygenase were the most powerful followed by free arachidonic acid and free linoleic acid while stearic acid did not produce significant infiltration. Arachidonic Acid 121-137 linoleate 9S-lipoxygenase-4 Glycine max 149-161 409781-2 1977 In experiments comparing the chemotactic properties of four fatty acids in varying concentrations, oxidative products of arachidonic acid by soybean lipoxygenase were the most powerful followed by free arachidonic acid and free linoleic acid while stearic acid did not produce significant infiltration. stearic acid 248-260 linoleate 9S-lipoxygenase-4 Glycine max 149-161 186306-0 1976 On the interaction of some catechol derivatives with the iron atom of soybean lipoxygenase. catechol 27-35 linoleate 9S-lipoxygenase-4 Glycine max 78-90 186306-0 1976 On the interaction of some catechol derivatives with the iron atom of soybean lipoxygenase. Iron 57-61 linoleate 9S-lipoxygenase-4 Glycine max 78-90 822867-1 1976 The oxygenation of linoleate and arachidonate catalyzed by soybean lipoxygenase is subject to competitive product inhibition. Linoleic Acid 19-28 linoleate 9S-lipoxygenase-4 Glycine max 67-79 822867-1 1976 The oxygenation of linoleate and arachidonate catalyzed by soybean lipoxygenase is subject to competitive product inhibition. Arachidonic Acid 33-45 linoleate 9S-lipoxygenase-4 Glycine max 67-79 812703-0 1976 The steady-state kinetics of the oxygenation of linoleic acid catalysed by soybean lipoxygenase. Linoleic Acid 48-61 linoleate 9S-lipoxygenase-4 Glycine max 83-95 823735-0 1976 Co-oxydation of a carotenoid by the enzyme lipoxygenase: influence on the formation of linoleic acid hydroperoxides. Carotenoids 18-28 linoleate 9S-lipoxygenase-4 Glycine max 43-55 823735-0 1976 Co-oxydation of a carotenoid by the enzyme lipoxygenase: influence on the formation of linoleic acid hydroperoxides. linoleic acid hydroperoxide 87-115 linoleate 9S-lipoxygenase-4 Glycine max 43-55 823735-1 1976 A partially purified soybean lipoxygenase (L-3) was incubated for 15 min at pH 6.5 with linoleic acid and oxygen. Linoleic Acid 88-101 linoleate 9S-lipoxygenase-4 Glycine max 29-41 813080-0 1975 Conversion of linoleic acid hydroperoxide by soybean lipoxygenase in the presence of guaiacol: identification of the reaction products. linoleic acid hydroperoxide 14-41 linoleate 9S-lipoxygenase-4 Glycine max 53-65 813080-0 1975 Conversion of linoleic acid hydroperoxide by soybean lipoxygenase in the presence of guaiacol: identification of the reaction products. Guaiacol 85-93 linoleate 9S-lipoxygenase-4 Glycine max 53-65 813080-1 1975 Linoleic acid hydroperoxide formed by soybean lipoxygenase was metabolized by the same enzyme in the presence of guaiacol. linoleic acid hydroperoxide 0-27 linoleate 9S-lipoxygenase-4 Glycine max 46-58 813080-1 1975 Linoleic acid hydroperoxide formed by soybean lipoxygenase was metabolized by the same enzyme in the presence of guaiacol. Guaiacol 113-121 linoleate 9S-lipoxygenase-4 Glycine max 46-58 809633-0 1975 Aerobic pentane production by soybean lipoxygenase isozymes. pentane 8-15 linoleate 9S-lipoxygenase-4 Glycine max 38-50 811334-0 1975 Further studies of the kinetics of oxygenation of arachidonic acid by soybean lipoxygenase. Arachidonic Acid 50-66 linoleate 9S-lipoxygenase-4 Glycine max 78-90 811334-3 1975 It has been confirmed that activation of lipoxygenase by its hydroperoxide product is necessary for activity, and product removal gives inhibition in a manner quantitatively predicted by the model. Hydrogen Peroxide 61-74 linoleate 9S-lipoxygenase-4 Glycine max 41-53 809633-1 1975 The effects of oxygen on production of pentane and compounds absorbing at 234 nm and 285 nm by soybean lipoxygenase isozymes I and II were examined in a model system. Oxygen 15-21 linoleate 9S-lipoxygenase-4 Glycine max 103-115 809633-1 1975 The effects of oxygen on production of pentane and compounds absorbing at 234 nm and 285 nm by soybean lipoxygenase isozymes I and II were examined in a model system. pentane 39-46 linoleate 9S-lipoxygenase-4 Glycine max 103-115 4674505-0 1972 Structural requirements of acetylenic fatty acids for inhibition of soybean lipoxygenase and prostaglandin synthetase. acetylenic fatty acids 27-49 linoleate 9S-lipoxygenase-4 Glycine max 76-88 27521073-2 1975 Chromatography on a column of silicic acid separated 13-hydroperoxy-11,9-octadecadienoic acid in 99+% purity from the mixture obtained by soybean lipoxygenase oxidation of linoleic acid. Silicic Acid 30-42 linoleate 9S-lipoxygenase-4 Glycine max 146-158 27521073-2 1975 Chromatography on a column of silicic acid separated 13-hydroperoxy-11,9-octadecadienoic acid in 99+% purity from the mixture obtained by soybean lipoxygenase oxidation of linoleic acid. 13-hydroperoxy-11,9-octadecadienoic acid 53-93 linoleate 9S-lipoxygenase-4 Glycine max 146-158 27521073-2 1975 Chromatography on a column of silicic acid separated 13-hydroperoxy-11,9-octadecadienoic acid in 99+% purity from the mixture obtained by soybean lipoxygenase oxidation of linoleic acid. Linoleic Acid 172-185 linoleate 9S-lipoxygenase-4 Glycine max 146-158 5459662-1 1970 Linoleic acid oxidation catalyzed by lipoxygenase (lipoxidase) activity in extracts of defatted corn germ does not terminate in the product, linoleic acid hydroperoxide, unless the lipoxygenase is first partially purified. Linoleic Acid 0-13 linoleate 9S-lipoxygenase-4 Glycine max 37-49 32065346-0 2021 Novel quinolinone-pyrazoline hybrids: synthesis and evaluation of antioxidant and lipoxygenase inhibitory activity. Quinolones 6-28 linoleate 9S-lipoxygenase-4 Glycine max 82-94 32065346-4 2021 Among all the pyrazoline derivatives, compounds 9b and 9m were found to possess the best combined activity, whereas 9b analogue exhibited the most potent LOX inhibitory activity, with IC50 value 10 muM. 3-trimethylsilyl-1-pyrazoline 14-24 linoleate 9S-lipoxygenase-4 Glycine max 154-157 33249836-3 2020 This study demonstrated that the formation of (E)-2-heptenal was independent of the lipoxygenase (LOX) and hydroperoxide lyase (HPL) activity as well as oxygen concentration but was related to the presence/absence of Fe2+ and chelators. 2-heptenal 46-60 linoleate 9S-lipoxygenase-4 Glycine max 84-96 33430075-2 2021 The maximal adsorption efficiency of soybean lipoxygenase to the silica particles was 50%. Silicon Dioxide 65-71 linoleate 9S-lipoxygenase-4 Glycine max 45-57 33430075-3 2021 The desorption kinetics of soybean lipoxygenase from the silica particles indicate that the silica-immobilized enzyme is more stable in an anionic buffer (sodium phosphate, pH 7.2) than in a cationic buffer (Tris-HCl, pH 7.2). Silicon Dioxide 57-63 linoleate 9S-lipoxygenase-4 Glycine max 35-47 33430075-3 2021 The desorption kinetics of soybean lipoxygenase from the silica particles indicate that the silica-immobilized enzyme is more stable in an anionic buffer (sodium phosphate, pH 7.2) than in a cationic buffer (Tris-HCl, pH 7.2). Silicon Dioxide 92-98 linoleate 9S-lipoxygenase-4 Glycine max 35-47 33430075-3 2021 The desorption kinetics of soybean lipoxygenase from the silica particles indicate that the silica-immobilized enzyme is more stable in an anionic buffer (sodium phosphate, pH 7.2) than in a cationic buffer (Tris-HCl, pH 7.2). sodium phosphate 155-171 linoleate 9S-lipoxygenase-4 Glycine max 35-47 33430075-3 2021 The desorption kinetics of soybean lipoxygenase from the silica particles indicate that the silica-immobilized enzyme is more stable in an anionic buffer (sodium phosphate, pH 7.2) than in a cationic buffer (Tris-HCl, pH 7.2). Tris hydrochloride 208-216 linoleate 9S-lipoxygenase-4 Glycine max 35-47 33430075-7 2021 The thermal stability of the immobilized lipoxygenase was higher than the thermal stability of soluble lipoxygenase, demonstrating 70% and 45% of its optimal specific activity, respectively, after incubation for 30 min at 45 C. These results demonstrate that adsorption on nanoporous rice husk silica is a simple and rapid method for protein immobilization, and that adsorption may be a useful and facile method for the immobilization of many biologically important proteins of interest. Silicon Dioxide 295-301 linoleate 9S-lipoxygenase-4 Glycine max 41-53 33249836-3 2020 This study demonstrated that the formation of (E)-2-heptenal was independent of the lipoxygenase (LOX) and hydroperoxide lyase (HPL) activity as well as oxygen concentration but was related to the presence/absence of Fe2+ and chelators. 2-heptenal 46-60 linoleate 9S-lipoxygenase-4 Glycine max 98-101 31757126-0 2019 Physicochemical Changes and in Vitro Gastric Digestion of Modified Soybean Protein Induced by Lipoxygenase Catalyzed Linoleic Acid Oxidation. Linoleic Acid 117-130 linoleate 9S-lipoxygenase-4 Glycine max 94-106 33079529-0 2020 Physicochemical and Structural Characteristics of Soybean Protein Isolates Induced by Lipoxygenase-Catalyzed Linoleic Acid Oxidation during In Vitro Gastric Digestion. Linoleic Acid 109-122 linoleate 9S-lipoxygenase-4 Glycine max 86-98 33079529-1 2020 The effects of oxidation on the gastric digestion properties of soybean protein isolates (SPIs) in a model of lipoxygenase (LOX)-catalyzed linoleic acid (LA) oxidation system and the multiscale structural characterization of SPI hydrolysate were investigated. Linoleic Acid 139-152 linoleate 9S-lipoxygenase-4 Glycine max 110-122 31943295-4 2020 Coumarin 5e possessing a geranyloxy-chain on position 5 of the coumarin scaffold presented dual bioactivity, while 5-geranyloxy-coumarin 5f was the most competent soybean lipoxygenase inhibitor of this series (IC50 10 muM). coumarin 115-139 linoleate 9S-lipoxygenase-4 Glycine max 171-183 32348134-0 2020 Gel properties of soy protein isolate modified by lipoxygenase catalyzed linoleic acid oxidation and their influence on pepsin diffusion and in vitro gastric digestion. Linoleic Acid 73-86 linoleate 9S-lipoxygenase-4 Glycine max 50-62 32348134-1 2020 The model of lipoxygenase catalyzed linoleic acid (LA) oxidation was selected as a representative of lipid peroxidation system to investigate the effects of oxidative modification on soybean protein isolate (SPI) gel properties and in vitro gastric digestion. Linoleic Acid 36-49 linoleate 9S-lipoxygenase-4 Glycine max 13-25 30359035-1 2018 Soybean lipoxygenase catalyzes a proton-coupled electron transfer (PCET) reaction and serves as a prototype for hydrogen tunneling in enzymes due to the unusually high kinetic isotope effect and significant modulation of the rate constant and kinetic isotope effect by mutation. Hydrogen 112-120 linoleate 9S-lipoxygenase-4 Glycine max 8-20 31580070-1 2019 The rate-limiting chemical reaction catalyzed by soybean lipoxygenase (SLO) involves quantum mechanical tunneling of a hydrogen atom from substrate to its active site ferric-hydroxide cofactor. Hydrogen 119-127 linoleate 9S-lipoxygenase-4 Glycine max 57-69 31580070-1 2019 The rate-limiting chemical reaction catalyzed by soybean lipoxygenase (SLO) involves quantum mechanical tunneling of a hydrogen atom from substrate to its active site ferric-hydroxide cofactor. ferric hydroxide 167-183 linoleate 9S-lipoxygenase-4 Glycine max 57-69 31478006-5 2019 The results showed that the optimised SHS treatment could reduce the beany flavour in the soya milk significantly (P < 0.05) by reducing the specific LOX activity in the soybean, while ensuring the crude protein content in the soya milk complied with Malaysian Food Regulations 1985. shs 38-41 linoleate 9S-lipoxygenase-4 Glycine max 153-156 30642482-0 2019 In vitro gastrointestinal digest of catechin-modified beta-conglycinin oxidized by lipoxygenase-catalyzed linoleic acid peroxidation. Catechin 36-44 linoleate 9S-lipoxygenase-4 Glycine max 83-95 30642482-0 2019 In vitro gastrointestinal digest of catechin-modified beta-conglycinin oxidized by lipoxygenase-catalyzed linoleic acid peroxidation. Linoleic Acid 106-119 linoleate 9S-lipoxygenase-4 Glycine max 83-95 30642482-1 2019 The aim of the present study was to enhance oxidative stability and bioaccessibility of beta-conglycinin (7S) prepared from low denatured defatted soybean flours with residual lipids and high lipoxygenase (LOX) activity. ethyl-2-methylthio-4-methyl-5-pyrimidine carboxylate 106-108 linoleate 9S-lipoxygenase-4 Glycine max 192-204 30642482-1 2019 The aim of the present study was to enhance oxidative stability and bioaccessibility of beta-conglycinin (7S) prepared from low denatured defatted soybean flours with residual lipids and high lipoxygenase (LOX) activity. ethyl-2-methylthio-4-methyl-5-pyrimidine carboxylate 106-108 linoleate 9S-lipoxygenase-4 Glycine max 206-209 30642482-3 2019 The interaction of UH-7S/H-7S with catechin dramatically inhibited LOX-catalyzed LA peroxidation-induced protein oxidation. uh-7s 19-24 linoleate 9S-lipoxygenase-4 Glycine max 67-70 30642482-3 2019 The interaction of UH-7S/H-7S with catechin dramatically inhibited LOX-catalyzed LA peroxidation-induced protein oxidation. h-7s 20-24 linoleate 9S-lipoxygenase-4 Glycine max 67-70 30642482-3 2019 The interaction of UH-7S/H-7S with catechin dramatically inhibited LOX-catalyzed LA peroxidation-induced protein oxidation. Catechin 35-43 linoleate 9S-lipoxygenase-4 Glycine max 67-70 30724235-4 2019 Sodium dodecyl sulfate-polyacrylamide gel electrophoresis analysis revealed that lipoxygenase was susceptible to heat denaturation, but 7S and 11S globulins were only partially denatured. sodium dodecyl sulfate-polyacrylamide 0-37 linoleate 9S-lipoxygenase-4 Glycine max 81-93 29392938-1 2018 The proton-coupled electron transfer (PCET) reaction catalyzed by soybean lipoxygenase has served as a prototype for understanding hydrogen tunneling in enzymes. Hydrogen 131-139 linoleate 9S-lipoxygenase-4 Glycine max 74-86 29970872-0 2018 Application of Docking Analysis in the Prediction and Biological Evaluation of the Lipoxygenase Inhibitory Action of Thiazolyl Derivatives of Mycophenolic Acid. thiazolyl 117-126 linoleate 9S-lipoxygenase-4 Glycine max 83-95 29970872-0 2018 Application of Docking Analysis in the Prediction and Biological Evaluation of the Lipoxygenase Inhibitory Action of Thiazolyl Derivatives of Mycophenolic Acid. Mycophenolic Acid 142-159 linoleate 9S-lipoxygenase-4 Glycine max 83-95 28691068-0 2017 Hydrogen-Deuterium Exchange of Lipoxygenase Uncovers a Relationship between Distal, Solvent Exposed Protein Motions and the Thermal Activation Barrier for Catalytic Proton-Coupled Electron Tunneling. Hydrogen 0-8 linoleate 9S-lipoxygenase-4 Glycine max 31-43 29191828-0 2018 Hydrogen-deuterium exchange reveals long-range dynamical allostery in soybean lipoxygenase. Hydrogen 0-8 linoleate 9S-lipoxygenase-4 Glycine max 78-90 29191828-0 2018 Hydrogen-deuterium exchange reveals long-range dynamical allostery in soybean lipoxygenase. Deuterium 9-18 linoleate 9S-lipoxygenase-4 Glycine max 78-90 29191828-5 2018 Herein, we employed hydrogen-deuterium exchange MS (HDXMS) to spatially resolve changes in protein conformation upon interaction of soybean lipoxygenase with a fatty acid surrogate, oleyl sulfate (OS), previously shown to act at a site separate from the substrate-binding site. Hydrogen 20-28 linoleate 9S-lipoxygenase-4 Glycine max 140-152 29191828-5 2018 Herein, we employed hydrogen-deuterium exchange MS (HDXMS) to spatially resolve changes in protein conformation upon interaction of soybean lipoxygenase with a fatty acid surrogate, oleyl sulfate (OS), previously shown to act at a site separate from the substrate-binding site. Deuterium 29-38 linoleate 9S-lipoxygenase-4 Glycine max 140-152 29191828-5 2018 Herein, we employed hydrogen-deuterium exchange MS (HDXMS) to spatially resolve changes in protein conformation upon interaction of soybean lipoxygenase with a fatty acid surrogate, oleyl sulfate (OS), previously shown to act at a site separate from the substrate-binding site. Fatty Acids 160-170 linoleate 9S-lipoxygenase-4 Glycine max 140-152 29191828-5 2018 Herein, we employed hydrogen-deuterium exchange MS (HDXMS) to spatially resolve changes in protein conformation upon interaction of soybean lipoxygenase with a fatty acid surrogate, oleyl sulfate (OS), previously shown to act at a site separate from the substrate-binding site. Oleyl sulfate 182-195 linoleate 9S-lipoxygenase-4 Glycine max 140-152 29191828-5 2018 Herein, we employed hydrogen-deuterium exchange MS (HDXMS) to spatially resolve changes in protein conformation upon interaction of soybean lipoxygenase with a fatty acid surrogate, oleyl sulfate (OS), previously shown to act at a site separate from the substrate-binding site. Osmium 197-199 linoleate 9S-lipoxygenase-4 Glycine max 140-152 28691068-0 2017 Hydrogen-Deuterium Exchange of Lipoxygenase Uncovers a Relationship between Distal, Solvent Exposed Protein Motions and the Thermal Activation Barrier for Catalytic Proton-Coupled Electron Tunneling. Deuterium 9-18 linoleate 9S-lipoxygenase-4 Glycine max 31-43 29250456-1 2017 Soybean lipoxygenase (SLO) is a prototype for nonadiabatic hydrogen tunneling reactions and, as such, has served as the subject of numerous theoretical studies. Hydrogen 59-67 linoleate 9S-lipoxygenase-4 Glycine max 8-20 27532889-0 2016 Computational Insights into Five- versus Six-Coordinate Iron Center in Ferrous Soybean Lipoxygenase. Iron 56-60 linoleate 9S-lipoxygenase-4 Glycine max 87-99 27609488-5 2017 Finally, their inhibitory activity towards soybean lipoxygenase was evaluated, using linoleic acid as substrate. Linoleic Acid 85-98 linoleate 9S-lipoxygenase-4 Glycine max 51-63 30496666-9 2017 Finally, their inhibitory activity toward soybean lipoxygenase was evaluated, using linoleic acid as substrate.The essential oil of 0. vulgare (OV-VL) presented the highest interaction with the stable radical DPPH (76.5%), followed by that of A. absinthium (54.7%). Oils, Volatile 115-128 linoleate 9S-lipoxygenase-4 Glycine max 50-62 30496666-9 2017 Finally, their inhibitory activity toward soybean lipoxygenase was evaluated, using linoleic acid as substrate.The essential oil of 0. vulgare (OV-VL) presented the highest interaction with the stable radical DPPH (76.5%), followed by that of A. absinthium (54.7%). 1,1-diphenyl-2-picrylhydrazyl 209-213 linoleate 9S-lipoxygenase-4 Glycine max 50-62 26681513-0 2016 Design, synthesis of novel pyranotriazolopyrimidines and evaluation of their anti-soybean lipoxygenase, anti-xanthine oxidase, and cytotoxic activities. pyranotriazolopyrimidines 27-52 linoleate 9S-lipoxygenase-4 Glycine max 90-102 27532889-1 2016 Soybean lipoxygenase (SLO) serves as a prototype for fundamental understanding of hydrogen tunneling in enzymes. Hydrogen 82-90 linoleate 9S-lipoxygenase-4 Glycine max 8-20 26753816-0 2016 Synthesis and biological evaluation of novel 5-hydroxylaminoisoxazole derivatives as lipoxygenase inhibitors and metabolism enhancing agents. 5-hydroxylaminoisoxazole 45-69 linoleate 9S-lipoxygenase-4 Glycine max 85-97 26494261-0 2015 Esters of some non-steroidal anti-inflammatory drugs with cinnamyl alcohol are potent lipoxygenase inhibitors with enhanced anti-inflammatory activity. Esters 0-6 linoleate 9S-lipoxygenase-4 Glycine max 86-98 27612190-4 2016 Their inhibitory activity toward soybean lipoxygenase was evaluated in vitro, using linoleic acid as a substrate. Linoleic Acid 84-97 linoleate 9S-lipoxygenase-4 Glycine max 41-53 26494261-0 2015 Esters of some non-steroidal anti-inflammatory drugs with cinnamyl alcohol are potent lipoxygenase inhibitors with enhanced anti-inflammatory activity. cinnamyl alcohol 58-74 linoleate 9S-lipoxygenase-4 Glycine max 86-98 26154975-1 2015 Soybean lipoxygenase-1 (SLO-1) is a paradigmatic enzyme system for studying the contribution of hydrogen tunneling to enzymatic proton-coupled electron transfer processes. Hydrogen 96-104 linoleate 9S-lipoxygenase-4 Glycine max 8-20 25824465-5 2015 The scavenging ability of the complexes towards 1,1-diphenyl-picrylhydrazyl, 2,2"-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) and hydroxyl radicals was investigated and the in vitro inhibitory activity against soybean lipoxygenase was evaluated and complexes 4 and 5 were the more active compounds among those tested. Hydroxyl Radical 135-152 linoleate 9S-lipoxygenase-4 Glycine max 223-235 25586578-0 2015 Characterization of an omega-6 linoleate lipoxygenase from Burkholderia thailandensis and its application in the production of 13-hydroxyoctadecadienoic acid. 13-hydroxy-9,11-octadecadienoic acid 127-157 linoleate 9S-lipoxygenase-4 Glycine max 41-53 25586578-6 2015 Under these conditions, linoleate 13-lipoxygenase from B. thailandensis produced 20.8 g l(-1) 13-HODE (70.2 mM) from 20 g l(-1) linoleic acid (71.3 mM) for 120 min, with a molar conversion yield of 98.5% and productivity of 10.4 g l(-1) h(-1). Coriolic acid 94-101 linoleate 9S-lipoxygenase-4 Glycine max 37-49 25586578-6 2015 Under these conditions, linoleate 13-lipoxygenase from B. thailandensis produced 20.8 g l(-1) 13-HODE (70.2 mM) from 20 g l(-1) linoleic acid (71.3 mM) for 120 min, with a molar conversion yield of 98.5% and productivity of 10.4 g l(-1) h(-1). Linoleic Acid 128-141 linoleate 9S-lipoxygenase-4 Glycine max 37-49 25586578-7 2015 The molar conversion yield and productivity of 13-HODE obtained using B. thailandensis lipoxygenase were 151 and 158% higher, respectively, than those obtained using commercial soybean lipoxygenase under the optimum conditions for each enzyme at the same concentrations of substrate and enzyme. Coriolic acid 47-54 linoleate 9S-lipoxygenase-4 Glycine max 87-99 25586578-7 2015 The molar conversion yield and productivity of 13-HODE obtained using B. thailandensis lipoxygenase were 151 and 158% higher, respectively, than those obtained using commercial soybean lipoxygenase under the optimum conditions for each enzyme at the same concentrations of substrate and enzyme. Coriolic acid 47-54 linoleate 9S-lipoxygenase-4 Glycine max 185-197 25886468-1 2015 BACKGROUND: Cyclooxygenase (COXs) and Lipoxygenase (LOXs) pathways are the two major enzymatic pathways in arachidonic acid (AA) metabolism. Arachidonic Acid 107-123 linoleate 9S-lipoxygenase-4 Glycine max 38-50 25529698-1 2015 Lipoxygenase (LOX)-catalysed degradation of polyunsaturated fatty acids is supposed to be a major cause of undesirable off-flavour development in legumes. Fatty Acids, Unsaturated 44-71 linoleate 9S-lipoxygenase-4 Glycine max 0-12 25529698-1 2015 Lipoxygenase (LOX)-catalysed degradation of polyunsaturated fatty acids is supposed to be a major cause of undesirable off-flavour development in legumes. Fatty Acids, Unsaturated 44-71 linoleate 9S-lipoxygenase-4 Glycine max 14-17 25529698-7 2015 In contrast to soy and other legumes, LOX from lupin only converted free fatty acids, whereas trilinolein and beta-carotene were not oxidised. Fatty Acids, Nonesterified 68-84 linoleate 9S-lipoxygenase-4 Glycine max 38-41 25886468-1 2015 BACKGROUND: Cyclooxygenase (COXs) and Lipoxygenase (LOXs) pathways are the two major enzymatic pathways in arachidonic acid (AA) metabolism. Arachidonic Acid 107-123 linoleate 9S-lipoxygenase-4 Glycine max 52-56 25660964-3 2015 The ability of the complexes to scavenge 1,1-diphenyl-picrylhydrazyl, 2,2"-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) and hydroxyl radicals was investigated and the in vitro inhibitory activity against soybean lipoxygenase was evaluated; complexes 3 and 4 were the most active compounds. 2,2'-azino-di-(3-ethylbenzothiazoline)-6-sulfonic acid 70-123 linoleate 9S-lipoxygenase-4 Glycine max 216-228 25660964-3 2015 The ability of the complexes to scavenge 1,1-diphenyl-picrylhydrazyl, 2,2"-azinobis(3-ethylbenzothiazoline-6-sulfonic acid) and hydroxyl radicals was investigated and the in vitro inhibitory activity against soybean lipoxygenase was evaluated; complexes 3 and 4 were the most active compounds. Hydroxyl Radical 128-145 linoleate 9S-lipoxygenase-4 Glycine max 216-228 25552290-4 2015 SA reduces the lipoxygenase (LOX) and hydroperoxide lyase (HPL) activity, which in turn resulted in reduction in the TBA number and carbonyl value in contrast to MJ. 2-chloro-10-(4'(N-beta-hydroxyethyl)piperazinyl-1')acetylphenothiazine 0-2 linoleate 9S-lipoxygenase-4 Glycine max 15-27 25552290-4 2015 SA reduces the lipoxygenase (LOX) and hydroperoxide lyase (HPL) activity, which in turn resulted in reduction in the TBA number and carbonyl value in contrast to MJ. 2-chloro-10-(4'(N-beta-hydroxyethyl)piperazinyl-1')acetylphenothiazine 0-2 linoleate 9S-lipoxygenase-4 Glycine max 29-32 25552290-4 2015 SA reduces the lipoxygenase (LOX) and hydroperoxide lyase (HPL) activity, which in turn resulted in reduction in the TBA number and carbonyl value in contrast to MJ. tba 117-120 linoleate 9S-lipoxygenase-4 Glycine max 15-27 25552290-4 2015 SA reduces the lipoxygenase (LOX) and hydroperoxide lyase (HPL) activity, which in turn resulted in reduction in the TBA number and carbonyl value in contrast to MJ. tba 117-120 linoleate 9S-lipoxygenase-4 Glycine max 29-32 26155826-0 2015 Fucophlorethol C, a phlorotannin as a lipoxygenase inhibitor. fucophlorethol C 0-16 linoleate 9S-lipoxygenase-4 Glycine max 38-50 26155826-0 2015 Fucophlorethol C, a phlorotannin as a lipoxygenase inhibitor. phlorotannin 20-32 linoleate 9S-lipoxygenase-4 Glycine max 38-50 26155826-1 2015 Fucophlorethol C, a phlorotannin, was isolated from the brown alga Colpomenia bullosa (Scyto-siphonaceae) as a novel lipoxygenase (LOX) inhibitor. fucophlorethol C 0-16 linoleate 9S-lipoxygenase-4 Glycine max 117-129 26155826-1 2015 Fucophlorethol C, a phlorotannin, was isolated from the brown alga Colpomenia bullosa (Scyto-siphonaceae) as a novel lipoxygenase (LOX) inhibitor. fucophlorethol C 0-16 linoleate 9S-lipoxygenase-4 Glycine max 131-134 26155826-1 2015 Fucophlorethol C, a phlorotannin, was isolated from the brown alga Colpomenia bullosa (Scyto-siphonaceae) as a novel lipoxygenase (LOX) inhibitor. phlorotannin 20-32 linoleate 9S-lipoxygenase-4 Glycine max 117-129 26155826-3 2015 The compound inhibited a soybean LOX to the same extent as the known inhibitor nordihydroguaiaretic acid. Masoprocol 79-104 linoleate 9S-lipoxygenase-4 Glycine max 33-36 26423719-0 2015 Pteridine-2,4-diamine derivatives as radical scavengers and inhibitors of lipoxygenase that can possess anti-inflammatory properties. 2,4-Diaminopteridine 0-21 linoleate 9S-lipoxygenase-4 Glycine max 74-86 26423719-7 2015 CONCLUSION: The 2,4-diaminopteridine core represents a new scaffold for lipoxygenase inhibition as well as sustaining anti-inflammatory properties. 2,4-diaminopteridine 16-36 linoleate 9S-lipoxygenase-4 Glycine max 72-84 25323520-0 2015 Aryl-acetic and cinnamic acids as lipoxygenase inhibitors with antioxidant, anti-inflammatory, and anticancer activity. aryl-acetic and cinnamic acids 0-30 linoleate 9S-lipoxygenase-4 Glycine max 34-46 25323520-2 2015 Lipoxygenase pathway, catalyzing the first two steps of the transformation of arachidonic acid into leukotrienes is implicated in several processes such as cell differentiation, inflammation and carcinogenesis. Arachidonic Acid 78-94 linoleate 9S-lipoxygenase-4 Glycine max 0-12 26155726-0 2015 In vitro, fluorescence-quenching and computational studies on the interaction between lipoxygenase and 5-hydroxy-3",4",7-trimethoxyflavone from Lippia nodiflora L. Lippia nodiflora L. is extensively used in traditional medicine for several medicinal purposes, including their use in inflammatory disorders. 5-hydroxy-3",4",7-trimethoxyflavone 103-138 linoleate 9S-lipoxygenase-4 Glycine max 86-98 25323520-2 2015 Lipoxygenase pathway, catalyzing the first two steps of the transformation of arachidonic acid into leukotrienes is implicated in several processes such as cell differentiation, inflammation and carcinogenesis. Leukotrienes 100-112 linoleate 9S-lipoxygenase-4 Glycine max 0-12 26155726-1 2015 In this study, the folk use of L. nodiflora was validated using the isolated natural compound, 5-hydroxy-3",4",7-trimethoxyflavone (HTMF) by in vitro, fluorescence spectroscopic and molecular modeling studies with lipoxygenase (LOX), because LOX plays an essential role in inflammatory responses. 5-hydroxy-3",4",7-trimethoxyflavone 95-130 linoleate 9S-lipoxygenase-4 Glycine max 214-226 24767084-0 2014 Lipoxygenase inhibitory activity of alkyl protocatechuates. alkyl protocatechuates 36-58 linoleate 9S-lipoxygenase-4 Glycine max 0-12 26155726-2 2015 In this perspective, the methanol extract and HTMF are shown to demonstrate prominent inhibitory activity against soybean lipoxygenase, with an IC50 value of 21.12 and 23.97 microg/ml, respectively. Methanol 25-33 linoleate 9S-lipoxygenase-4 Glycine max 122-134 25467808-12 2014 In drought stressed plants, thiamethoxam induced (upregulated) expression of a thiamine biosynthetic enzyme (THIZ2) and gibberellin regulated protein (GRP), but repressed (downregulated) the expression of an apetala 2 (GmDREB2A;2), lipoxygenase (LIP), and SAM dependent carboxyl methyltransferase (SAM). Thiamethoxam 28-40 linoleate 9S-lipoxygenase-4 Glycine max 232-244 25467808-12 2014 In drought stressed plants, thiamethoxam induced (upregulated) expression of a thiamine biosynthetic enzyme (THIZ2) and gibberellin regulated protein (GRP), but repressed (downregulated) the expression of an apetala 2 (GmDREB2A;2), lipoxygenase (LIP), and SAM dependent carboxyl methyltransferase (SAM). Thiamethoxam 28-40 linoleate 9S-lipoxygenase-4 Glycine max 246-249 25456384-0 2014 Structural modifications of coumarin derivatives: Determination of antioxidant and lipoxygenase (LOX) inhibitory activity. coumarin 28-36 linoleate 9S-lipoxygenase-4 Glycine max 84-96 25456384-0 2014 Structural modifications of coumarin derivatives: Determination of antioxidant and lipoxygenase (LOX) inhibitory activity. coumarin 28-36 linoleate 9S-lipoxygenase-4 Glycine max 98-101 25456384-1 2014 In the present project, a series of coumarin analogues, were synthesised and evaluated for their antioxidant and soybean lipoxygenase inhibitory activity. coumarin 36-44 linoleate 9S-lipoxygenase-4 Glycine max 121-133 25456384-3 2014 Prenyloxy-coumarins 9 and 10 displayed the best combined inhibition of lipid peroxidation and soybean lipoxygenase. 5-hydroxy-6-methoxy-7-(3-methyl-but-2-enyloxy)-2H-1-benzopyran-2-one 0-19 linoleate 9S-lipoxygenase-4 Glycine max 102-114 25456384-4 2014 Thiocoumarins 11 and 14 were identified as potent lipoxygenase inhibitors whereas hydrazone analogues 15 and 16 were efficient DPPH radical scavengers. thiocoumarins 0-13 linoleate 9S-lipoxygenase-4 Glycine max 50-62 24767084-1 2014 Alkyl 3,4-dihydroxybenzoates (protocatechuates) inhibited linoleic acid peroxidation catalyzed by soybean lipoxygenase-1 (EC 1.13.11.12, Type 1). alkyl 3,4-dihydroxybenzoates 0-28 linoleate 9S-lipoxygenase-4 Glycine max 106-118 24767084-1 2014 Alkyl 3,4-dihydroxybenzoates (protocatechuates) inhibited linoleic acid peroxidation catalyzed by soybean lipoxygenase-1 (EC 1.13.11.12, Type 1). Linoleic Acid 58-71 linoleate 9S-lipoxygenase-4 Glycine max 106-118 24767084-5 2014 The allosteric (or cooperative) inhibition of soybean lipoxygenase-1 of longer alkyl protocatechuates is reversible but in combination with their iron binding ability to disrupt the active site competitively and to interact with the hydrophobic portion surrounding near the active site (sequential action). alkyl protocatechuates 79-101 linoleate 9S-lipoxygenase-4 Glycine max 54-66 24767084-5 2014 The allosteric (or cooperative) inhibition of soybean lipoxygenase-1 of longer alkyl protocatechuates is reversible but in combination with their iron binding ability to disrupt the active site competitively and to interact with the hydrophobic portion surrounding near the active site (sequential action). Iron 146-150 linoleate 9S-lipoxygenase-4 Glycine max 54-66 25312177-8 2014 Flavonoid aglycones showed stronger antioxidant and lipoxygenase inhibitory effects than their glycosides. Flavonoids 0-9 linoleate 9S-lipoxygenase-4 Glycine max 52-64 25258676-4 2014 Herein these diagnostics are applied to a model of the active site of the enzyme soybean lipoxygenase, which catalyzes a PCET reaction that exhibits unusually high deuterium kinetic isotope effects at room temperature. Deuterium 164-173 linoleate 9S-lipoxygenase-4 Glycine max 89-101 25100256-0 2014 Synthesis and docking studies of 2,4,6-trihydroxy-3-geranylacetophenone analogs as potential lipoxygenase inhibitor. 2,4,6-trihydroxy-3-geranylacetophenone 33-71 linoleate 9S-lipoxygenase-4 Glycine max 93-105 25312177-8 2014 Flavonoid aglycones showed stronger antioxidant and lipoxygenase inhibitory effects than their glycosides. aglycones 10-19 linoleate 9S-lipoxygenase-4 Glycine max 52-64 25312177-9 2014 Lignoid glycosides showed moderate to weak antioxidant and lipoxygenase inhibitory effects. Glycosides 8-18 linoleate 9S-lipoxygenase-4 Glycine max 59-71 25100256-1 2014 The natural product molecule 2,4,6-trihydroxy-3-geranyl-acetophenone (tHGA) isolated from the medicinal plant Melicope ptelefolia was shown to exhibit potent lipoxygenase (LOX) inhibitory activity. 2,4,6-trihydroxy-3-geranylacetophenone 29-68 linoleate 9S-lipoxygenase-4 Glycine max 158-170 25100256-1 2014 The natural product molecule 2,4,6-trihydroxy-3-geranyl-acetophenone (tHGA) isolated from the medicinal plant Melicope ptelefolia was shown to exhibit potent lipoxygenase (LOX) inhibitory activity. 2,4,6-trihydroxy-3-geranylacetophenone 29-68 linoleate 9S-lipoxygenase-4 Glycine max 172-175 25100256-1 2014 The natural product molecule 2,4,6-trihydroxy-3-geranyl-acetophenone (tHGA) isolated from the medicinal plant Melicope ptelefolia was shown to exhibit potent lipoxygenase (LOX) inhibitory activity. 2,4,6-trihydroxy-3-geranylacetophenone 70-74 linoleate 9S-lipoxygenase-4 Glycine max 158-170 25100256-1 2014 The natural product molecule 2,4,6-trihydroxy-3-geranyl-acetophenone (tHGA) isolated from the medicinal plant Melicope ptelefolia was shown to exhibit potent lipoxygenase (LOX) inhibitory activity. 2,4,6-trihydroxy-3-geranylacetophenone 70-74 linoleate 9S-lipoxygenase-4 Glycine max 172-175 25100256-2 2014 It is known that LOX plays an important role in inflammatory response as it catalyzes the oxidation of unsaturated fatty acids, such as linoleic acid to form hydroperoxides. Fatty Acids, Unsaturated 103-126 linoleate 9S-lipoxygenase-4 Glycine max 17-20 25100256-2 2014 It is known that LOX plays an important role in inflammatory response as it catalyzes the oxidation of unsaturated fatty acids, such as linoleic acid to form hydroperoxides. Linoleic Acid 136-149 linoleate 9S-lipoxygenase-4 Glycine max 17-20 25100256-2 2014 It is known that LOX plays an important role in inflammatory response as it catalyzes the oxidation of unsaturated fatty acids, such as linoleic acid to form hydroperoxides. Hydrogen Peroxide 158-172 linoleate 9S-lipoxygenase-4 Glycine max 17-20 25100256-5 2014 All the synthesized analogs showed potent soybean 15-LOX inhibitory activity in a dose-dependent manner (IC50 = 10.31-27.61 muM) where compound 3e was two-fold more active than tHGA. 2,4,6-trihydroxy-3-geranylacetophenone 177-181 linoleate 9S-lipoxygenase-4 Glycine max 53-56 24729578-1 2014 Caulerpenyne (CYN) is a sesquiterpene from green algae with known inhibitory properties against soybean lipoxygenase. caulerpenyne 0-12 linoleate 9S-lipoxygenase-4 Glycine max 104-116 24729578-1 2014 Caulerpenyne (CYN) is a sesquiterpene from green algae with known inhibitory properties against soybean lipoxygenase. caulerpenyne 14-17 linoleate 9S-lipoxygenase-4 Glycine max 104-116 24729578-4 2014 The modes of 5-LO inhibition by CYN and the synthetic inhibitors cannot be assigned to any of the known categories of lipoxygenase inhibitors. caulerpenyne 32-35 linoleate 9S-lipoxygenase-4 Glycine max 118-130 24631827-4 2014 After the separation, the bands were digested, and, in addition to others, the following proteins, previously associated with metals, were identified: 3-lipoxygenase A chain (soybean) complex with 13(S)-hydroperoxy-9(Z),11(E)-octadecadienoic acid, beta-amylase [Glycine max], seed lipoxygenase-1, lipoxygenase [G. max], seed lipoxygenase-2 (Pisum sativum) and beta-conglycinin. octadecadienoic acid 226-246 linoleate 9S-lipoxygenase-4 Glycine max 153-165 24938495-0 2014 Pharmacological evaluation and docking studies of alpha,beta-unsaturated carbonyl based synthetic compounds as inhibitors of secretory phospholipase A2, cyclooxygenases, lipoxygenase and proinflammatory cytokines. alpha,beta-unsaturated carbonyl based 50-87 linoleate 9S-lipoxygenase-4 Glycine max 170-182 24463435-4 2014 Complex 1 and previously reported Zn-tolfenamato complexes were tested for their free radical scavenging activity and in vitro inhibitory activity against soybean lipoxygenase and exhibited significant activity with [Zn(tolf)2(1,10-phenantroline)] being the most active compound. zn-tolfenamato 34-48 linoleate 9S-lipoxygenase-4 Glycine max 163-175 24359271-0 2014 Ascorbic acid 6-palmitate: a potent inhibitor of human and soybean lipoxygenase-dependent lipid peroxidation. 6-O-palmitoylascorbic acid 0-25 linoleate 9S-lipoxygenase-4 Glycine max 67-79 24296456-0 2014 Enzymatic production of 15-hydroxyeicosatetraenoic acid from arachidonic acid by using soybean lipoxygenase. Eicosatetraenoic acid, 15-hydroxy- 24-55 linoleate 9S-lipoxygenase-4 Glycine max 95-107 24296456-0 2014 Enzymatic production of 15-hydroxyeicosatetraenoic acid from arachidonic acid by using soybean lipoxygenase. Arachidonic Acid 61-77 linoleate 9S-lipoxygenase-4 Glycine max 95-107 24296456-2 2014 The conditions of producing 15-HETE from arachidonic acid by using soybean lipoxygenase were optimal at pH 8.5 and 20 C with 9 g/l arachidonic acid, 54.4 U/ml soybean lipoxygenase, and 4% methanol. 15-Hete 28-35 linoleate 9S-lipoxygenase-4 Glycine max 75-87 24296456-2 2014 The conditions of producing 15-HETE from arachidonic acid by using soybean lipoxygenase were optimal at pH 8.5 and 20 C with 9 g/l arachidonic acid, 54.4 U/ml soybean lipoxygenase, and 4% methanol. 15-Hete 28-35 linoleate 9S-lipoxygenase-4 Glycine max 167-179 24296456-2 2014 The conditions of producing 15-HETE from arachidonic acid by using soybean lipoxygenase were optimal at pH 8.5 and 20 C with 9 g/l arachidonic acid, 54.4 U/ml soybean lipoxygenase, and 4% methanol. Arachidonic Acid 41-57 linoleate 9S-lipoxygenase-4 Glycine max 75-87 24296456-2 2014 The conditions of producing 15-HETE from arachidonic acid by using soybean lipoxygenase were optimal at pH 8.5 and 20 C with 9 g/l arachidonic acid, 54.4 U/ml soybean lipoxygenase, and 4% methanol. Arachidonic Acid 41-57 linoleate 9S-lipoxygenase-4 Glycine max 167-179 24296456-2 2014 The conditions of producing 15-HETE from arachidonic acid by using soybean lipoxygenase were optimal at pH 8.5 and 20 C with 9 g/l arachidonic acid, 54.4 U/ml soybean lipoxygenase, and 4% methanol. Arachidonic Acid 131-147 linoleate 9S-lipoxygenase-4 Glycine max 75-87 24296456-2 2014 The conditions of producing 15-HETE from arachidonic acid by using soybean lipoxygenase were optimal at pH 8.5 and 20 C with 9 g/l arachidonic acid, 54.4 U/ml soybean lipoxygenase, and 4% methanol. Methanol 188-196 linoleate 9S-lipoxygenase-4 Glycine max 75-87 24463435-4 2014 Complex 1 and previously reported Zn-tolfenamato complexes were tested for their free radical scavenging activity and in vitro inhibitory activity against soybean lipoxygenase and exhibited significant activity with [Zn(tolf)2(1,10-phenantroline)] being the most active compound. zn(tolf)2(1,10-phenantroline) 217-246 linoleate 9S-lipoxygenase-4 Glycine max 163-175 24495846-7 2014 This is the first report on lipoxygenase inhibition of exo-methylenic alkapolyenes and a chlorophyll a-related substance. exo-methylenic alkapolyenes 55-82 linoleate 9S-lipoxygenase-4 Glycine max 28-40 24495846-7 2014 This is the first report on lipoxygenase inhibition of exo-methylenic alkapolyenes and a chlorophyll a-related substance. chlorophyll a 89-102 linoleate 9S-lipoxygenase-4 Glycine max 28-40 24176359-1 2014 Lipoxygenase (Lox) mediated oxidation of polyunsaturated fatty acids (PUFA) in mature soya seeds results in objectionable flavour. Fatty Acids, Unsaturated 41-68 linoleate 9S-lipoxygenase-4 Glycine max 0-12 24176359-1 2014 Lipoxygenase (Lox) mediated oxidation of polyunsaturated fatty acids (PUFA) in mature soya seeds results in objectionable flavour. Fatty Acids, Unsaturated 41-68 linoleate 9S-lipoxygenase-4 Glycine max 14-17 24176359-1 2014 Lipoxygenase (Lox) mediated oxidation of polyunsaturated fatty acids (PUFA) in mature soya seeds results in objectionable flavour. Fatty Acids, Unsaturated 70-74 linoleate 9S-lipoxygenase-4 Glycine max 0-12 24176359-1 2014 Lipoxygenase (Lox) mediated oxidation of polyunsaturated fatty acids (PUFA) in mature soya seeds results in objectionable flavour. Fatty Acids, Unsaturated 70-74 linoleate 9S-lipoxygenase-4 Glycine max 14-17 24176359-5 2014 Pure Lox-1 displayed unbiased response towards substrates with marginal preference (1.2-fold) for linoleic acid at its optimum pH. Linoleic Acid 98-111 linoleate 9S-lipoxygenase-4 Glycine max 5-8 23856367-0 2013 Effect of endocannabinoids on soybean lipoxygenase-1 activity. Endocannabinoids 10-26 linoleate 9S-lipoxygenase-4 Glycine max 38-50 23909602-2 2013 The lipoxygenase pathway produces and releases jasmonic acid, involved in the regulation of the plant defense genes, which encodes protease inhibitor (PI) production. jasmonic acid 47-60 linoleate 9S-lipoxygenase-4 Glycine max 4-16 23856367-2 2013 Lipoxygenase activity has been known to be affected by unsaturated fatty acids or phenolic compounds. Fatty Acids, Unsaturated 55-78 linoleate 9S-lipoxygenase-4 Glycine max 0-12 23856367-3 2013 In this study, we examined whether endocannabinoids containing both N-acyl group and phenolic group can affect the activity of soybean lipoxygenase (LOX)-1, similar to mammalian 15-lipoxygenase in physicochemical properties. Endocannabinoids 35-51 linoleate 9S-lipoxygenase-4 Glycine max 135-147 23856367-8 2013 Taken together, it is proposed that endocannabinoids containing polyunsaturated acyl moiety and phenolic group may be efficient for the inhibition as well as inactivation of 15-lipoxygenase. Endocannabinoids 36-52 linoleate 9S-lipoxygenase-4 Glycine max 177-189 22449314-0 2012 Methods for identifying lipoxygenase producing microorganisms on agar plates. Agar 65-69 linoleate 9S-lipoxygenase-4 Glycine max 24-36 23528572-9 2013 All compounds have been tested for their antioxidant and free radical scavenging activity as well as for their in vitro inhibitory activity against soybean lipoxygenase showing significant activity with [Cu(fluf)(phen)Cl] being the most active. cu(fluf)(phen)cl 204-220 linoleate 9S-lipoxygenase-4 Glycine max 156-168 23123338-9 2013 In particular, 1 presents significant inhibitory activity on LOX, with IC(50)=30 muM and selectivity to the inhibition of superoxide anion radicals and thus a promising candidate as a superoxide dismutase (SOD) biomimetic. Superoxides 122-147 linoleate 9S-lipoxygenase-4 Glycine max 61-64 23200047-1 2012 Lipoxygenase enzymes initiate diverse signaling pathways by specifically directing oxygen to different carbons of arachidonate and other polyunsaturated acyl chains, but structural origins of this specificity have remained unclear. Carbon 103-110 linoleate 9S-lipoxygenase-4 Glycine max 0-12 23200047-1 2012 Lipoxygenase enzymes initiate diverse signaling pathways by specifically directing oxygen to different carbons of arachidonate and other polyunsaturated acyl chains, but structural origins of this specificity have remained unclear. Arachidonic Acid 114-126 linoleate 9S-lipoxygenase-4 Glycine max 0-12 22741794-0 2012 Biological evaluation of mechlorethamine-Pt(II) complex, part II: antimicrobial screening and lox study of the complex and its ligand. mechlorethamine-pt(ii) 25-47 linoleate 9S-lipoxygenase-4 Glycine max 94-97 22741794-9 2012 UV absorbance-based enzyme assays were performed with HN2xHCl and [H2N2](2)[PtCl(4)] complex, in order to evaluate their in vitro inhibitory activity of soybean lipoxygenase (LOX), also. platinum tetrachloride 76-83 linoleate 9S-lipoxygenase-4 Glycine max 161-173 22741794-9 2012 UV absorbance-based enzyme assays were performed with HN2xHCl and [H2N2](2)[PtCl(4)] complex, in order to evaluate their in vitro inhibitory activity of soybean lipoxygenase (LOX), also. platinum tetrachloride 76-83 linoleate 9S-lipoxygenase-4 Glycine max 175-178 23997905-0 2013 New Insight into the SAR of Pyrimido [4,5-b][1,4] Benzothiazines as 15-lipoxygenase Inhibitors. pyrimido [4,5-b][1,4] benzothiazines 28-64 linoleate 9S-lipoxygenase-4 Glycine max 71-83 23997905-1 2013 OBJECTIVE(S): Recently we reported that the soybean 15-lipoxygenase (SLO) inhibitory activity of pyrimido[4,5-b][l,4]benzothiazines largely depends on the orientation of sulfur atom of thiazine core towards Fe(III)-OH in the active site pocket of the enzyme with subsequent oxidation of sulfur to sulfoxide. pyrimido[4,5-b][l,4]benzothiazines 97-131 linoleate 9S-lipoxygenase-4 Glycine max 55-67 23997905-1 2013 OBJECTIVE(S): Recently we reported that the soybean 15-lipoxygenase (SLO) inhibitory activity of pyrimido[4,5-b][l,4]benzothiazines largely depends on the orientation of sulfur atom of thiazine core towards Fe(III)-OH in the active site pocket of the enzyme with subsequent oxidation of sulfur to sulfoxide. Sulfur 170-176 linoleate 9S-lipoxygenase-4 Glycine max 55-67 23997905-1 2013 OBJECTIVE(S): Recently we reported that the soybean 15-lipoxygenase (SLO) inhibitory activity of pyrimido[4,5-b][l,4]benzothiazines largely depends on the orientation of sulfur atom of thiazine core towards Fe(III)-OH in the active site pocket of the enzyme with subsequent oxidation of sulfur to sulfoxide. Thiazines 122-130 linoleate 9S-lipoxygenase-4 Glycine max 55-67 23997905-1 2013 OBJECTIVE(S): Recently we reported that the soybean 15-lipoxygenase (SLO) inhibitory activity of pyrimido[4,5-b][l,4]benzothiazines largely depends on the orientation of sulfur atom of thiazine core towards Fe(III)-OH in the active site pocket of the enzyme with subsequent oxidation of sulfur to sulfoxide. fe(iii)-oh 207-217 linoleate 9S-lipoxygenase-4 Glycine max 55-67 23997905-1 2013 OBJECTIVE(S): Recently we reported that the soybean 15-lipoxygenase (SLO) inhibitory activity of pyrimido[4,5-b][l,4]benzothiazines largely depends on the orientation of sulfur atom of thiazine core towards Fe(III)-OH in the active site pocket of the enzyme with subsequent oxidation of sulfur to sulfoxide. Sulfur 287-293 linoleate 9S-lipoxygenase-4 Glycine max 55-67 23997905-1 2013 OBJECTIVE(S): Recently we reported that the soybean 15-lipoxygenase (SLO) inhibitory activity of pyrimido[4,5-b][l,4]benzothiazines largely depends on the orientation of sulfur atom of thiazine core towards Fe(III)-OH in the active site pocket of the enzyme with subsequent oxidation of sulfur to sulfoxide. sulfoxide 297-306 linoleate 9S-lipoxygenase-4 Glycine max 55-67 23997905-5 2013 Results : The inhibitory activity of synthetic 2-substituted pyrimido[4,5-b][l,4]benzothiazines against soybean 15-lipoxygenase (SLO) was evaluated and structure activity relationships and binding modes of their 4-H and 4-methyl analogs were studied using docking analysis and ab initio calculations. 2-substituted pyrimido[4,5-b][l,4]benzothiazines 47-95 linoleate 9S-lipoxygenase-4 Glycine max 115-127 23997905-6 2013 DISCUSSION: The results of these studies showed that the lack of 4-methyl substituent in the pyrimido[4,5-b][1,4]benzothiazine molecules greatly reduces their lipoxygenase inhibitory activities and it was also found that the HOMO energy difference between the 4-H and 4-Methyl analogs can be responsible for the observed inhibitory activity reduction. 5H-Pyrimido[4,5-b][1,4]benzothiazine 93-126 linoleate 9S-lipoxygenase-4 Glycine max 159-171 23460823-8 2013 Deep analyses of the proteins and pathways showed that lipids were degraded through lipoxygenase dependent pathway and proteins were degraded through both protease and 26S proteosome system, and the lipoxygenase could also help to remove the reactive oxygen species during the rapid mobilization of reserves of soybean germinating seeds. Reactive Oxygen Species 242-265 linoleate 9S-lipoxygenase-4 Glycine max 84-96 23460823-8 2013 Deep analyses of the proteins and pathways showed that lipids were degraded through lipoxygenase dependent pathway and proteins were degraded through both protease and 26S proteosome system, and the lipoxygenase could also help to remove the reactive oxygen species during the rapid mobilization of reserves of soybean germinating seeds. Reactive Oxygen Species 242-265 linoleate 9S-lipoxygenase-4 Glycine max 199-211 22449314-1 2012 Plate assays for lipoxygenase producing microorganisms on agar plates have been developed. Agar 58-62 linoleate 9S-lipoxygenase-4 Glycine max 17-29 22449314-2 2012 Both potassium iodide-starch and indamine dye formation methods were effective for detecting soybean lipoxygenase activity on agar plates. potassium iodide-starch 5-28 linoleate 9S-lipoxygenase-4 Glycine max 101-113 22449314-2 2012 Both potassium iodide-starch and indamine dye formation methods were effective for detecting soybean lipoxygenase activity on agar plates. N1-(4-Aminophenyl)benzene-1,4-diamine 33-41 linoleate 9S-lipoxygenase-4 Glycine max 101-113 22449314-2 2012 Both potassium iodide-starch and indamine dye formation methods were effective for detecting soybean lipoxygenase activity on agar plates. Agar 126-130 linoleate 9S-lipoxygenase-4 Glycine max 101-113 22449314-4 2012 The potassium iodide-starch and indamine dye formation methods were also applied for detecting lipoxygenase production by Trichoderma reesei and Pichia pastoris transformants expressing the lipoxygenase gene of the fungus Gaeumannomyces graminis. potassium iodide-starch 4-27 linoleate 9S-lipoxygenase-4 Glycine max 95-107 22449314-4 2012 The potassium iodide-starch and indamine dye formation methods were also applied for detecting lipoxygenase production by Trichoderma reesei and Pichia pastoris transformants expressing the lipoxygenase gene of the fungus Gaeumannomyces graminis. potassium iodide-starch 4-27 linoleate 9S-lipoxygenase-4 Glycine max 190-202 22449314-4 2012 The potassium iodide-starch and indamine dye formation methods were also applied for detecting lipoxygenase production by Trichoderma reesei and Pichia pastoris transformants expressing the lipoxygenase gene of the fungus Gaeumannomyces graminis. N1-(4-Aminophenyl)benzene-1,4-diamine 32-40 linoleate 9S-lipoxygenase-4 Glycine max 95-107 22449314-6 2012 For detection of the G. graminis lipoxygenase produced by Aspergillus nidulans the potassium iodide-starch method was successful. potassium iodide-starch 83-106 linoleate 9S-lipoxygenase-4 Glycine max 33-45 22449314-7 2012 When Escherichia coli was grown on agar and soybean lipoxygenase was applied on the culture lipoxygenase activity could clearly be detected by the indamine dye formation method. Indamine dye 147-159 linoleate 9S-lipoxygenase-4 Glycine max 52-64 22449314-7 2012 When Escherichia coli was grown on agar and soybean lipoxygenase was applied on the culture lipoxygenase activity could clearly be detected by the indamine dye formation method. Indamine dye 147-159 linoleate 9S-lipoxygenase-4 Glycine max 92-104 21497583-3 2011 In vitro antioxidant activity of free ligands and their respective copper complexes includes: a) interaction with 1,1-diphenyl-2-picrylhydrazyl stable free radical, b) the EtaOmicron mediated oxidation of DMSO, c) scavenging of superoxide anion radicals, d) inhibition of lipid peroxidation and e) soybean lipoxygenase inhibition. Copper 67-73 linoleate 9S-lipoxygenase-4 Glycine max 307-319 21497583-3 2011 In vitro antioxidant activity of free ligands and their respective copper complexes includes: a) interaction with 1,1-diphenyl-2-picrylhydrazyl stable free radical, b) the EtaOmicron mediated oxidation of DMSO, c) scavenging of superoxide anion radicals, d) inhibition of lipid peroxidation and e) soybean lipoxygenase inhibition. etaomicron 172-182 linoleate 9S-lipoxygenase-4 Glycine max 307-319 21497583-3 2011 In vitro antioxidant activity of free ligands and their respective copper complexes includes: a) interaction with 1,1-diphenyl-2-picrylhydrazyl stable free radical, b) the EtaOmicron mediated oxidation of DMSO, c) scavenging of superoxide anion radicals, d) inhibition of lipid peroxidation and e) soybean lipoxygenase inhibition. Dimethyl Sulfoxide 206-210 linoleate 9S-lipoxygenase-4 Glycine max 307-319 20020224-0 2010 A proof for substitution of endogenous iron (II) in lipoxygenase by exogenous Cu2+. ammonium ferrous sulfate 39-48 linoleate 9S-lipoxygenase-4 Glycine max 52-64 21106277-0 2011 Design, synthesis and pharmacobiological evaluation of novel acrylic acid derivatives acting as lipoxygenase and cyclooxygenase-1 inhibitors with antioxidant and anti-inflammatory activities. acrylic acid 61-73 linoleate 9S-lipoxygenase-4 Glycine max 96-108 21106277-1 2011 A series of novel acrylic acid derivatives bearing at the 3 position thienyl, furfuryl and 3,5-ditert-butyl-4-hydroxyphenyl substituents have been designed, synthesized and tested as potential dual lipoxygenase/cyclooxygenase-1 (LOX/COX-1) inhibitors and as antioxidant and anti-inflammatory agents. acrylic acid 18-30 linoleate 9S-lipoxygenase-4 Glycine max 198-210 21106277-1 2011 A series of novel acrylic acid derivatives bearing at the 3 position thienyl, furfuryl and 3,5-ditert-butyl-4-hydroxyphenyl substituents have been designed, synthesized and tested as potential dual lipoxygenase/cyclooxygenase-1 (LOX/COX-1) inhibitors and as antioxidant and anti-inflammatory agents. acrylic acid 18-30 linoleate 9S-lipoxygenase-4 Glycine max 229-232 20020224-0 2010 A proof for substitution of endogenous iron (II) in lipoxygenase by exogenous Cu2+. cupric ion 78-82 linoleate 9S-lipoxygenase-4 Glycine max 52-64 20020224-1 2010 Soybean lipoxygenase (LOX) contains endogenous iron (II) at the active site, which is important for the enzyme activity. ammonium ferrous sulfate 47-56 linoleate 9S-lipoxygenase-4 Glycine max 8-20 20020224-1 2010 Soybean lipoxygenase (LOX) contains endogenous iron (II) at the active site, which is important for the enzyme activity. ammonium ferrous sulfate 47-56 linoleate 9S-lipoxygenase-4 Glycine max 22-25 20020224-2 2010 The activity of LOX can be accelerated by some exogenous metal ions including Cu2+. Metals 57-62 linoleate 9S-lipoxygenase-4 Glycine max 16-19 20020224-2 2010 The activity of LOX can be accelerated by some exogenous metal ions including Cu2+. cupric ion 78-82 linoleate 9S-lipoxygenase-4 Glycine max 16-19 20020224-3 2010 However, the mechanism of the activity improvement caused by exogenous metal ions remains unclear, not only for LOX but for most other metalloenzymes. Metals 71-76 linoleate 9S-lipoxygenase-4 Glycine max 112-115 20020224-5 2010 In this paper, a quantitative proof of replacing iron (II) inside LOX by exogenous Cu2+ was provided, simply using UV-Vis spectrometry with two indicators p-carboxylantipyrylazo and 9-(4-carboxyphenyl)-2,3,7-trihydroxyl-6-fluorine. ammonium ferrous sulfate 49-58 linoleate 9S-lipoxygenase-4 Glycine max 66-69 20020224-5 2010 In this paper, a quantitative proof of replacing iron (II) inside LOX by exogenous Cu2+ was provided, simply using UV-Vis spectrometry with two indicators p-carboxylantipyrylazo and 9-(4-carboxyphenyl)-2,3,7-trihydroxyl-6-fluorine. cupric ion 83-87 linoleate 9S-lipoxygenase-4 Glycine max 66-69 20020224-5 2010 In this paper, a quantitative proof of replacing iron (II) inside LOX by exogenous Cu2+ was provided, simply using UV-Vis spectrometry with two indicators p-carboxylantipyrylazo and 9-(4-carboxyphenyl)-2,3,7-trihydroxyl-6-fluorine. p-carboxylantipyrylazo 155-177 linoleate 9S-lipoxygenase-4 Glycine max 66-69 20020224-5 2010 In this paper, a quantitative proof of replacing iron (II) inside LOX by exogenous Cu2+ was provided, simply using UV-Vis spectrometry with two indicators p-carboxylantipyrylazo and 9-(4-carboxyphenyl)-2,3,7-trihydroxyl-6-fluorine. 9-(4-carboxyphenyl)-2,3,7-trihydroxyl-6-fluorine 182-230 linoleate 9S-lipoxygenase-4 Glycine max 66-69 20020224-6 2010 A 0.56 microM free iron (II) was observed in the bulk solution after incubating 9.45 microM Cu2+ with 16.10 microM LOX at 20 degrees C for 5 min, which is in coincidence with the decrement of Cu2+ in the bulk solution (0.53 microM), implying that iron (II) was replaced by Cu2+. ammonium ferrous sulfate 19-28 linoleate 9S-lipoxygenase-4 Glycine max 115-118 20020224-6 2010 A 0.56 microM free iron (II) was observed in the bulk solution after incubating 9.45 microM Cu2+ with 16.10 microM LOX at 20 degrees C for 5 min, which is in coincidence with the decrement of Cu2+ in the bulk solution (0.53 microM), implying that iron (II) was replaced by Cu2+. cupric ion 92-96 linoleate 9S-lipoxygenase-4 Glycine max 115-118 20636262-0 2010 Hexadecanoid pathway in plants: Lipoxygenase dioxygenation of (7Z,10Z,13Z)-hexadecatrienoic acid. hexadecanoid 0-12 linoleate 9S-lipoxygenase-4 Glycine max 32-44 20627725-0 2010 A novel synthesis of 3-aryl coumarins and evaluation of their antioxidant and lipoxygenase inhibitory activity. 3-aryl coumarins 21-37 linoleate 9S-lipoxygenase-4 Glycine max 78-90 20422316-5 2010 Also, the double lipoxygenation and bond-isomerization of DHA into 10(S),17(S)-docosahexa-4Z,7Z,11E,13Z,15E,19Z-enoic acid, named PDX, by soybean lipoxygenase is described. Docosahexaenoic Acids 58-61 linoleate 9S-lipoxygenase-4 Glycine max 146-158 20422316-5 2010 Also, the double lipoxygenation and bond-isomerization of DHA into 10(S),17(S)-docosahexa-4Z,7Z,11E,13Z,15E,19Z-enoic acid, named PDX, by soybean lipoxygenase is described. 17(s)-docosahexa-4z,7z 73-95 linoleate 9S-lipoxygenase-4 Glycine max 146-158 20422316-5 2010 Also, the double lipoxygenation and bond-isomerization of DHA into 10(S),17(S)-docosahexa-4Z,7Z,11E,13Z,15E,19Z-enoic acid, named PDX, by soybean lipoxygenase is described. -enoic acid 111-122 linoleate 9S-lipoxygenase-4 Glycine max 146-158 20082280-0 2010 Trapping of fatty acid allyl radicals generated in lipoxygenase reactions in biological fluids by nitroxyl radical. fatty acid allyl radicals 12-37 linoleate 9S-lipoxygenase-4 Glycine max 51-63 20082280-0 2010 Trapping of fatty acid allyl radicals generated in lipoxygenase reactions in biological fluids by nitroxyl radical. aminoxyl 98-114 linoleate 9S-lipoxygenase-4 Glycine max 51-63 20082280-1 2010 Nitroxyl radicals can trap fatty acid allyl radicals on ferric-lipoxygenases at lower oxygen content, which are an intermediate in the lipoxygenase reaction. nitroxyl radicals 0-17 linoleate 9S-lipoxygenase-4 Glycine max 63-75 20082280-1 2010 Nitroxyl radicals can trap fatty acid allyl radicals on ferric-lipoxygenases at lower oxygen content, which are an intermediate in the lipoxygenase reaction. fatty acid allyl radicals 27-52 linoleate 9S-lipoxygenase-4 Glycine max 63-75 20082280-7 2010 It is proved for the first time that nitroxyl radical traps fatty acid allyl radicals generated in the lipoxygenase reaction in biological fluid without competition from endogenous antioxidants. nitroxyl radical traps fatty acid 37-70 linoleate 9S-lipoxygenase-4 Glycine max 103-115 20082280-7 2010 It is proved for the first time that nitroxyl radical traps fatty acid allyl radicals generated in the lipoxygenase reaction in biological fluid without competition from endogenous antioxidants. allyl radicals 71-85 linoleate 9S-lipoxygenase-4 Glycine max 103-115 20636262-0 2010 Hexadecanoid pathway in plants: Lipoxygenase dioxygenation of (7Z,10Z,13Z)-hexadecatrienoic acid. roughanic acid 62-96 linoleate 9S-lipoxygenase-4 Glycine max 32-44 20636262-4 2010 The recombinant maize 9-lipoxygenase specifically converted 16:3 into (7S)-hydroperoxide. (7s)-hydroperoxide 70-88 linoleate 9S-lipoxygenase-4 Glycine max 24-36 20636262-8 2010 Lipoxygenase 2 produced 7-, 8-, 10-, 11-, 13-, and 14-hydroperoxides of 16:3, as well as a significant amount of bis-allylic 9-hydroperoxide. 7-, 8-, 10-, 11-, 13-, and 14-hydroperoxides 24-68 linoleate 9S-lipoxygenase-4 Glycine max 0-12 20636262-8 2010 Lipoxygenase 2 produced 7-, 8-, 10-, 11-, 13-, and 14-hydroperoxides of 16:3, as well as a significant amount of bis-allylic 9-hydroperoxide. bis-allylic 9-hydroperoxide 113-140 linoleate 9S-lipoxygenase-4 Glycine max 0-12 20423074-0 2010 Impact of distal mutation on hydrogen transfer interface and substrate conformation in soybean lipoxygenase. Hydrogen 29-37 linoleate 9S-lipoxygenase-4 Glycine max 95-107 20337784-0 2010 The novel ketoprofen amides--synthesis and biological evaluation as antioxidants, lipoxygenase inhibitors and cytostatic agents. Ketoprofen 10-20 linoleate 9S-lipoxygenase-4 Glycine max 82-94 20337784-0 2010 The novel ketoprofen amides--synthesis and biological evaluation as antioxidants, lipoxygenase inhibitors and cytostatic agents. Amides 21-27 linoleate 9S-lipoxygenase-4 Glycine max 82-94 20337784-1 2010 The novel amides of ketoprofen and its reduced derivatives (5a-f, 4a-n, 6a-g) with aromatic and cycloalkyl amines or hydroxylamines were prepared and screened for their reducing and cytostatic activity as well as for their ability to inhibit soybean lipoxygenase and lipid peroxidation. Amides 10-16 linoleate 9S-lipoxygenase-4 Glycine max 250-262 20337784-1 2010 The novel amides of ketoprofen and its reduced derivatives (5a-f, 4a-n, 6a-g) with aromatic and cycloalkyl amines or hydroxylamines were prepared and screened for their reducing and cytostatic activity as well as for their ability to inhibit soybean lipoxygenase and lipid peroxidation. Ketoprofen 20-30 linoleate 9S-lipoxygenase-4 Glycine max 250-262 20337784-6 2010 Aromatic and cycloalkyl amides 4 and 5 were more potent lipoxygenase inhibitors than derivatives with carboxylic group. aromatic and cycloalkyl amides 0-30 linoleate 9S-lipoxygenase-4 Glycine max 56-68 19679328-0 2009 Diethanolamine Pd(II) complexes in bioorganic modeling as model systems of metallopeptidases and soybean lipoxygenase inhibitors. diethanolamine 0-14 linoleate 9S-lipoxygenase-4 Glycine max 105-117 20378968-0 2010 Soybean lipoxygenase inhibitory and DPPH radical-scavenging activities of aspernolide A and butyrolactones I and II. aspernolide A 74-87 linoleate 9S-lipoxygenase-4 Glycine max 8-20 20378968-0 2010 Soybean lipoxygenase inhibitory and DPPH radical-scavenging activities of aspernolide A and butyrolactones I and II. 4-Butyrolactone 92-106 linoleate 9S-lipoxygenase-4 Glycine max 8-20 20378968-1 2010 Aspernolide A and butyrolactones I and II showed inhibitory activities against soybean lipoxygenase. aspernolide A 0-13 linoleate 9S-lipoxygenase-4 Glycine max 87-99 20378968-1 2010 Aspernolide A and butyrolactones I and II showed inhibitory activities against soybean lipoxygenase. 4-Butyrolactone 18-32 linoleate 9S-lipoxygenase-4 Glycine max 87-99 20184028-0 2010 Lipoxygenase inhibitory activity of 6-pentadecanylsalicylic acid without prooxidant effect. 6-pentadecanylsalicylic acid 36-64 linoleate 9S-lipoxygenase-4 Glycine max 0-12 19853459-0 2009 Natural and synthetic 2"-hydroxy-chalcones and aurones: synthesis, characterization and evaluation of the antioxidant and soybean lipoxygenase inhibitory activity. 2'-hydroxychalcone 22-42 linoleate 9S-lipoxygenase-4 Glycine max 130-142 19912068-0 2009 Trioxsalen derivatives with lipoxygenase inhibitory activity. Trioxsalen 0-10 linoleate 9S-lipoxygenase-4 Glycine max 28-40 19679328-0 2009 Diethanolamine Pd(II) complexes in bioorganic modeling as model systems of metallopeptidases and soybean lipoxygenase inhibitors. Polydioxanone 15-21 linoleate 9S-lipoxygenase-4 Glycine max 105-117 19825592-6 2008 Proteomic analysis of the isolated oil bodies of the 24-kDa oleosin knockdown shows the absence of the 24-kDa oleosin and the presence of abundant caleosin and lipoxygenase. Oils 35-38 linoleate 9S-lipoxygenase-4 Glycine max 147-172 19772491-0 2009 Kukoamine A analogs with lipoxygenase inhibitory activity. kukoamine A 0-11 linoleate 9S-lipoxygenase-4 Glycine max 25-37 19560532-0 2009 Antioxidant and lipoxygenase inhibitory activity of oligostilbenes from the leaf and stem of Vitis amurensis. oligostilbenes 52-66 linoleate 9S-lipoxygenase-4 Glycine max 16-28 19560532-10 2009 Of the isolates, r-2-viniferin (8) exhibited the strongest scavenging activity against ABTS(+) radical with TEAC value of 5.57, and the most potential inhibitory effect on soybean lipoxygenase with the IC(50) value of 6.39 microM. r2-viniferin 17-30 linoleate 9S-lipoxygenase-4 Glycine max 180-192 19825592-6 2008 Proteomic analysis of the isolated oil bodies of the 24-kDa oleosin knockdown shows the absence of the 24-kDa oleosin and the presence of abundant caleosin and lipoxygenase. oleosin 60-67 linoleate 9S-lipoxygenase-4 Glycine max 147-172 18067328-0 2008 Secondary alkyl hydroperoxides as inhibitors and alternate substrates for lipoxygenase. alkyl hydroperoxides 10-30 linoleate 9S-lipoxygenase-4 Glycine max 74-86 18247539-1 2008 Oxygenation of arachidonoyl lysophosphatidylcholine (lysoPC) or arachidonoyl lysophosphatidic acid (lysoPA) by lipoxygenase (LOX) was examined. arachidonoyl lysophosphatidylcholine 15-51 linoleate 9S-lipoxygenase-4 Glycine max 111-123 18247539-1 2008 Oxygenation of arachidonoyl lysophosphatidylcholine (lysoPC) or arachidonoyl lysophosphatidic acid (lysoPA) by lipoxygenase (LOX) was examined. arachidonoyl lysophosphatidylcholine 15-51 linoleate 9S-lipoxygenase-4 Glycine max 125-128 18247539-1 2008 Oxygenation of arachidonoyl lysophosphatidylcholine (lysoPC) or arachidonoyl lysophosphatidic acid (lysoPA) by lipoxygenase (LOX) was examined. arachidonoyl lysophosphatidic acid 64-98 linoleate 9S-lipoxygenase-4 Glycine max 111-123 18247539-1 2008 Oxygenation of arachidonoyl lysophosphatidylcholine (lysoPC) or arachidonoyl lysophosphatidic acid (lysoPA) by lipoxygenase (LOX) was examined. arachidonoyl lysophosphatidic acid 64-98 linoleate 9S-lipoxygenase-4 Glycine max 125-128 18247539-1 2008 Oxygenation of arachidonoyl lysophosphatidylcholine (lysoPC) or arachidonoyl lysophosphatidic acid (lysoPA) by lipoxygenase (LOX) was examined. lysophosphatidic acid 100-106 linoleate 9S-lipoxygenase-4 Glycine max 111-123 18247539-1 2008 Oxygenation of arachidonoyl lysophosphatidylcholine (lysoPC) or arachidonoyl lysophosphatidic acid (lysoPA) by lipoxygenase (LOX) was examined. lysophosphatidic acid 100-106 linoleate 9S-lipoxygenase-4 Glycine max 125-128 18247539-3 2008 Straight-phase and chiral-phase HPLC analyses indicated that soybean LOX-1 and rabbit reticulocyte LOX oxygenated arachidonoyl lysophospholipids mainly at C-15 with the S form as major enantiomer, whereas porcine leukocyte LOX oxygenated at C-12 with the S form. arachidonoyl lysophospholipids 114-144 linoleate 9S-lipoxygenase-4 Glycine max 69-72 18247539-3 2008 Straight-phase and chiral-phase HPLC analyses indicated that soybean LOX-1 and rabbit reticulocyte LOX oxygenated arachidonoyl lysophospholipids mainly at C-15 with the S form as major enantiomer, whereas porcine leukocyte LOX oxygenated at C-12 with the S form. arachidonoyl lysophospholipids 114-144 linoleate 9S-lipoxygenase-4 Glycine max 99-102 18247539-3 2008 Straight-phase and chiral-phase HPLC analyses indicated that soybean LOX-1 and rabbit reticulocyte LOX oxygenated arachidonoyl lysophospholipids mainly at C-15 with the S form as major enantiomer, whereas porcine leukocyte LOX oxygenated at C-12 with the S form. arachidonoyl lysophospholipids 114-144 linoleate 9S-lipoxygenase-4 Glycine max 99-102 18247539-4 2008 Next, the sequential exposure of arachidonoyl-lysoPC to soybean LOX-1 and porcine leukocyte LOX afforded two major isomers of dihydroxy derivatives with conjugated triene structure, suggesting that 15(S)-hydroperoxyeicosatetraenoyl derivatives were converted to 8,15(S)-dihydroxyeicosatetraenoyl derivatives. arachidonoyl-lysopc 33-52 linoleate 9S-lipoxygenase-4 Glycine max 64-67 18247539-4 2008 Next, the sequential exposure of arachidonoyl-lysoPC to soybean LOX-1 and porcine leukocyte LOX afforded two major isomers of dihydroxy derivatives with conjugated triene structure, suggesting that 15(S)-hydroperoxyeicosatetraenoyl derivatives were converted to 8,15(S)-dihydroxyeicosatetraenoyl derivatives. arachidonoyl-lysopc 33-52 linoleate 9S-lipoxygenase-4 Glycine max 92-95 18247539-4 2008 Next, the sequential exposure of arachidonoyl-lysoPC to soybean LOX-1 and porcine leukocyte LOX afforded two major isomers of dihydroxy derivatives with conjugated triene structure, suggesting that 15(S)-hydroperoxyeicosatetraenoyl derivatives were converted to 8,15(S)-dihydroxyeicosatetraenoyl derivatives. TRIETHYLENETETRAMINE 164-170 linoleate 9S-lipoxygenase-4 Glycine max 64-67 18247539-4 2008 Next, the sequential exposure of arachidonoyl-lysoPC to soybean LOX-1 and porcine leukocyte LOX afforded two major isomers of dihydroxy derivatives with conjugated triene structure, suggesting that 15(S)-hydroperoxyeicosatetraenoyl derivatives were converted to 8,15(S)-dihydroxyeicosatetraenoyl derivatives. TRIETHYLENETETRAMINE 164-170 linoleate 9S-lipoxygenase-4 Glycine max 92-95 18247539-4 2008 Next, the sequential exposure of arachidonoyl-lysoPC to soybean LOX-1 and porcine leukocyte LOX afforded two major isomers of dihydroxy derivatives with conjugated triene structure, suggesting that 15(S)-hydroperoxyeicosatetraenoyl derivatives were converted to 8,15(S)-dihydroxyeicosatetraenoyl derivatives. (s)-hydroperoxyeicosatetraenoyl derivatives 200-243 linoleate 9S-lipoxygenase-4 Glycine max 64-67 18247539-4 2008 Next, the sequential exposure of arachidonoyl-lysoPC to soybean LOX-1 and porcine leukocyte LOX afforded two major isomers of dihydroxy derivatives with conjugated triene structure, suggesting that 15(S)-hydroperoxyeicosatetraenoyl derivatives were converted to 8,15(S)-dihydroxyeicosatetraenoyl derivatives. (s)-hydroperoxyeicosatetraenoyl derivatives 200-243 linoleate 9S-lipoxygenase-4 Glycine max 92-95 18247539-4 2008 Next, the sequential exposure of arachidonoyl-lysoPC to soybean LOX-1 and porcine leukocyte LOX afforded two major isomers of dihydroxy derivatives with conjugated triene structure, suggesting that 15(S)-hydroperoxyeicosatetraenoyl derivatives were converted to 8,15(S)-dihydroxyeicosatetraenoyl derivatives. 8,15(s)-dihydroxyeicosatetraenoyl derivatives 262-307 linoleate 9S-lipoxygenase-4 Glycine max 64-67 18247539-4 2008 Next, the sequential exposure of arachidonoyl-lysoPC to soybean LOX-1 and porcine leukocyte LOX afforded two major isomers of dihydroxy derivatives with conjugated triene structure, suggesting that 15(S)-hydroperoxyeicosatetraenoyl derivatives were converted to 8,15(S)-dihydroxyeicosatetraenoyl derivatives. 8,15(s)-dihydroxyeicosatetraenoyl derivatives 262-307 linoleate 9S-lipoxygenase-4 Glycine max 92-95 18247539-5 2008 Separately, arachidonoyl-lysoPA, but not arachidonoyl-lysoPC, was found to be susceptible to double oxygenation by soybean LOX-1 to generate a dihydroperoxyeicosatetraenoyl derivative. arachidonoyl-lysopa 12-31 linoleate 9S-lipoxygenase-4 Glycine max 123-126 18247539-5 2008 Separately, arachidonoyl-lysoPA, but not arachidonoyl-lysoPC, was found to be susceptible to double oxygenation by soybean LOX-1 to generate a dihydroperoxyeicosatetraenoyl derivative. dihydroperoxyeicosatetraenoyl 143-172 linoleate 9S-lipoxygenase-4 Glycine max 123-126 18247539-6 2008 Overall, arachidonoyl lysophospholipids were more efficient than arachidonic acid as LOX substrate. arachidonoyl lysophospholipids 9-39 linoleate 9S-lipoxygenase-4 Glycine max 85-88 18247539-6 2008 Overall, arachidonoyl lysophospholipids were more efficient than arachidonic acid as LOX substrate. Arachidonic Acid 65-81 linoleate 9S-lipoxygenase-4 Glycine max 85-88 18680379-0 2008 Regulation of lipoxygenase activity by polyunsaturated lysophosphatidylcholines or their oxygenation derivatives. polyunsaturated lysophosphatidylcholines 39-79 linoleate 9S-lipoxygenase-4 Glycine max 14-26 18067328-1 2008 Lipoxygenase plays a central role in polyunsaturated fatty acid metabolism, inaugurating the biosynthesis of eicosanoids in animals and phytooxylipins in plants. Fatty Acids, Unsaturated 37-63 linoleate 9S-lipoxygenase-4 Glycine max 0-12 18067328-1 2008 Lipoxygenase plays a central role in polyunsaturated fatty acid metabolism, inaugurating the biosynthesis of eicosanoids in animals and phytooxylipins in plants. Eicosanoids 109-120 linoleate 9S-lipoxygenase-4 Glycine max 0-12 18067328-1 2008 Lipoxygenase plays a central role in polyunsaturated fatty acid metabolism, inaugurating the biosynthesis of eicosanoids in animals and phytooxylipins in plants. phytooxylipins 136-150 linoleate 9S-lipoxygenase-4 Glycine max 0-12 18067328-4 2008 Controlling the redox state of lipoxygenase iron with small molecules, inhibitors or activators, could be a means to modulate the activity of the enzyme. Iron 44-48 linoleate 9S-lipoxygenase-4 Glycine max 31-43 18067328-5 2008 The effects of secondary alkyl hydroperoxides and the corresponding alcohols on soybean lipoxygenase-1 reaction rates were investigated and found to be very different. alkyl hydroperoxides 25-45 linoleate 9S-lipoxygenase-4 Glycine max 88-100 18067328-5 2008 The effects of secondary alkyl hydroperoxides and the corresponding alcohols on soybean lipoxygenase-1 reaction rates were investigated and found to be very different. Alcohols 68-76 linoleate 9S-lipoxygenase-4 Glycine max 88-100 18067328-7 2008 Secondary alkyl hydroperoxides were inhibitors of lipoxygenase-1 primarily at high substrate concentration. alkyl hydroperoxides 10-30 linoleate 9S-lipoxygenase-4 Glycine max 50-62 18067328-10 2008 Oxidation of the iron in lipoxygenase-1 by 2-hydroperoxyalkanes was evident in electron paramagnetic resonance (EPR) measurements, but the enzyme was neither activated nor was it inactivated. Iron 17-21 linoleate 9S-lipoxygenase-4 Glycine max 25-37 18067328-10 2008 Oxidation of the iron in lipoxygenase-1 by 2-hydroperoxyalkanes was evident in electron paramagnetic resonance (EPR) measurements, but the enzyme was neither activated nor was it inactivated. 2-hydroperoxyalkanes 43-63 linoleate 9S-lipoxygenase-4 Glycine max 25-37 17996330-0 2007 Improvement of lipoxygenase inhibition by octapeptides. octapeptides 42-54 linoleate 9S-lipoxygenase-4 Glycine max 15-27 17996330-4 2007 Replacement of the negatively charged glutamic acid by any other amino acid residue improves LOX binding. Glutamic Acid 38-51 linoleate 9S-lipoxygenase-4 Glycine max 93-96 17897068-0 2007 Heterocyclic aryl(phenyl)acetic Acid and aryl acetohydroxamic acids as antiinflammatory -antioxidant agents and inhibitors of lipoxygenase and serine proteases. aryl acetohydroxamic acids 41-67 linoleate 9S-lipoxygenase-4 Glycine max 126-138 17604175-0 2007 Synthesis and pharmacochemical evaluation of novel aryl-acetic acid inhibitors of lipoxygenase, antioxidants, and anti-inflammatory agents. aryl-acetic acid 51-67 linoleate 9S-lipoxygenase-4 Glycine max 82-94 17604175-1 2007 Lipoxygenase catalyzes the first two steps of the transformation of arachidonic acid into leukotrienes which are implicated in host defense reactions. Arachidonic Acid 68-84 linoleate 9S-lipoxygenase-4 Glycine max 0-12 17604175-1 2007 Lipoxygenase catalyzes the first two steps of the transformation of arachidonic acid into leukotrienes which are implicated in host defense reactions. Leukotrienes 90-102 linoleate 9S-lipoxygenase-4 Glycine max 0-12 17604175-3 2007 Taking into account that compounds bearing a thienyl, naphthyl, pyrollyl, and 2,4-di-tert-butyl-phenol moieties possess anti-inflammatory activity which is related to their capacity to transfer electrons and to scavenge reactive oxygen species, we synthesized some new aryl-acetic acids and we explored their ability to inhibit soybean lipoxygenase, to present antioxidant and anti-inflammatory activities, and to interact with glutathione. thienyl 45-52 linoleate 9S-lipoxygenase-4 Glycine max 336-348 17897068-0 2007 Heterocyclic aryl(phenyl)acetic Acid and aryl acetohydroxamic acids as antiinflammatory -antioxidant agents and inhibitors of lipoxygenase and serine proteases. aryl(phenyl)acetic acid 13-36 linoleate 9S-lipoxygenase-4 Glycine max 126-138 17897068-1 2007 Taking into account that compounds bearing a thiazolyl, pyridyl and indolyl, moieties possess a wide spectrum of biological activities which is related to their capacity to transfer electrons and to scavenge reactive oxygen species (ROS), we synthesized some new heterocyclic aryl acetic acids and the corresponding acetohydroxamic acids and we explored their ability to inhibit soybean lipoxygenase, to present antioxidant and anti-inflammatory activities as well as to present serine proteases inhibition. thiazolyl 45-54 linoleate 9S-lipoxygenase-4 Glycine max 387-399 17897068-1 2007 Taking into account that compounds bearing a thiazolyl, pyridyl and indolyl, moieties possess a wide spectrum of biological activities which is related to their capacity to transfer electrons and to scavenge reactive oxygen species (ROS), we synthesized some new heterocyclic aryl acetic acids and the corresponding acetohydroxamic acids and we explored their ability to inhibit soybean lipoxygenase, to present antioxidant and anti-inflammatory activities as well as to present serine proteases inhibition. indolyl 68-75 linoleate 9S-lipoxygenase-4 Glycine max 387-399 17897068-1 2007 Taking into account that compounds bearing a thiazolyl, pyridyl and indolyl, moieties possess a wide spectrum of biological activities which is related to their capacity to transfer electrons and to scavenge reactive oxygen species (ROS), we synthesized some new heterocyclic aryl acetic acids and the corresponding acetohydroxamic acids and we explored their ability to inhibit soybean lipoxygenase, to present antioxidant and anti-inflammatory activities as well as to present serine proteases inhibition. Reactive Oxygen Species 233-236 linoleate 9S-lipoxygenase-4 Glycine max 387-399 17227895-0 2007 Intramolecular rearrangement of linolenate peroxyl radicals in lipoxygenase reactions at lower oxygen content. linolenate peroxyl radicals 32-59 linoleate 9S-lipoxygenase-4 Glycine max 63-75 17227895-7 2007 We proposed a possible reaction pathway as follows: a linolenate 9-peroxyl radical generated in the lipoxygenase reaction might be converted into C(2)H(5)-.CH-CH = CH-CH = CH-CH = CH-CH(OOH) -C(7)H(14)-COOH through an intramolecular rearrangement. linolenate 9-peroxyl radical 54-82 linoleate 9S-lipoxygenase-4 Glycine max 100-112 17227895-7 2007 We proposed a possible reaction pathway as follows: a linolenate 9-peroxyl radical generated in the lipoxygenase reaction might be converted into C(2)H(5)-.CH-CH = CH-CH = CH-CH = CH-CH(OOH) -C(7)H(14)-COOH through an intramolecular rearrangement. c(2)h 146-151 linoleate 9S-lipoxygenase-4 Glycine max 100-112 17348855-0 2007 Synthesis of phenyl-substituted amides with antioxidant and anti-inflammatory activity as novel lipoxygenase inhibitors. phenyl-substituted amides 13-38 linoleate 9S-lipoxygenase-4 Glycine max 96-108 16933093-0 2006 Continuous measurement of the lipoxygenase-catalyzed oxidation of unsaturated lipids using the monomolecular film technique. unsaturated lipids 66-84 linoleate 9S-lipoxygenase-4 Glycine max 30-42 17176111-1 2006 Soybean lipoxygenase-1 (SBLO-1) catalyzes the oxygenation of polyunsaturated fatty acids to produce conjugated diene hydroperoxides. Fatty Acids, Unsaturated 61-88 linoleate 9S-lipoxygenase-4 Glycine max 8-20 17176111-1 2006 Soybean lipoxygenase-1 (SBLO-1) catalyzes the oxygenation of polyunsaturated fatty acids to produce conjugated diene hydroperoxides. diene hydroperoxides 111-131 linoleate 9S-lipoxygenase-4 Glycine max 8-20 17176111-3 2006 (2001) Soybean Lipoxygenase-Mediated Oxygenation of Monounsaturated Fatty Acids to Enones, J. Fatty Acids, Monounsaturated 52-79 linoleate 9S-lipoxygenase-4 Glycine max 15-27 17176111-3 2006 (2001) Soybean Lipoxygenase-Mediated Oxygenation of Monounsaturated Fatty Acids to Enones, J. enones 83-89 linoleate 9S-lipoxygenase-4 Glycine max 15-27 17176111-13 2006 Comparison of the activities of 9(Z)-octadecenoic acid and 12(Z)-octadecenoic acid implies that the two double bonds of linoleic acid contribute almost equally to the C-H bond-breaking step in the normal lipoxygenase reaction. Oleic Acid 32-54 linoleate 9S-lipoxygenase-4 Glycine max 204-216 17176111-13 2006 Comparison of the activities of 9(Z)-octadecenoic acid and 12(Z)-octadecenoic acid implies that the two double bonds of linoleic acid contribute almost equally to the C-H bond-breaking step in the normal lipoxygenase reaction. 12(z)-octadecenoic acid 59-82 linoleate 9S-lipoxygenase-4 Glycine max 204-216 17176111-13 2006 Comparison of the activities of 9(Z)-octadecenoic acid and 12(Z)-octadecenoic acid implies that the two double bonds of linoleic acid contribute almost equally to the C-H bond-breaking step in the normal lipoxygenase reaction. Linoleic Acid 120-133 linoleate 9S-lipoxygenase-4 Glycine max 204-216 17061812-1 2006 The capacity of polyphenolic compounds to reduce the beta-carotene-linoleic acid cooxidation enzymatically induced by soybean lipoxygenase was assayed to determine their comprehensive antioxidant ability. beta Carotene 53-66 linoleate 9S-lipoxygenase-4 Glycine max 126-138 17373554-4 2007 Among the examined compounds, lithospermic acid B demonstrated the best inhibitory activity on soybean lipoxygenase with IC50 = 0.1 mM. lithospermic acid B 30-49 linoleate 9S-lipoxygenase-4 Glycine max 103-115 18256725-0 2007 Organosilicon-containing thiazole derivatives as potential lipoxygenase inhibitors and anti-inflammatory agents. Thiazoles 25-33 linoleate 9S-lipoxygenase-4 Glycine max 59-71 18256725-4 2007 2-(4-Trimethylsilyloxypiperidin-1-yl)-N-[4-(p-methoxyphenyl)-thiazol-2-yl]-acetamide (19) was the most potent displaying inhibition against lipoxygenase (ID(50) = 0.01 mmol). 2-(4-trimethylsilyloxypiperidin-1-yl)-n-[4-(p-methoxyphenyl)-thiazol-2-yl]-acetamide 0-84 linoleate 9S-lipoxygenase-4 Glycine max 140-152 17029406-9 2006 The stearate spin-labeled at C5 has the highest affinity for the lipoxygenase, and it is a competitive inhibitor, with a K(i) of 9 muM. Stearates 4-12 linoleate 9S-lipoxygenase-4 Glycine max 65-77 16873120-2 2006 An alternate model for tunnelling emerged following studies of the hydrogen atom transfer catalysed by the enzyme soybean lipoxygenase. Hydrogen 67-75 linoleate 9S-lipoxygenase-4 Glycine max 122-134 16815818-0 2006 The effects of natural flavonoids on lipoxygenase-mediated oxidation of compounds with a benzene ring structure--a new possible mechanism of flavonoid anti-chemical carcinogenesis and other toxicities. Flavonoids 23-33 linoleate 9S-lipoxygenase-4 Glycine max 37-49 16815818-0 2006 The effects of natural flavonoids on lipoxygenase-mediated oxidation of compounds with a benzene ring structure--a new possible mechanism of flavonoid anti-chemical carcinogenesis and other toxicities. Benzene 89-96 linoleate 9S-lipoxygenase-4 Glycine max 37-49 16815818-0 2006 The effects of natural flavonoids on lipoxygenase-mediated oxidation of compounds with a benzene ring structure--a new possible mechanism of flavonoid anti-chemical carcinogenesis and other toxicities. Flavonoids 23-32 linoleate 9S-lipoxygenase-4 Glycine max 37-49 16815818-2 2006 In this study, the effect of natural flavonoid compounds, such as green tea polyphenol, epigallocatechin gallate, quercetin, and rutin on lipoxygenase-mediated co-oxidation of guaiacol, benzidine, paraphenylenediamine, and dimethoxybenzidine was investigated. Flavonoids 37-46 linoleate 9S-lipoxygenase-4 Glycine max 138-150 16542568-2 2006 The Fourier transform infrared (FT-IR) spectra of the enzyme obtained in chloroform, methanol, and acetonitrile showed an absorption band at 1617 cm(-1) indicative of significant protein aggregation, whereas spectra of lipoxygenase in hexane and octane exhibited substantially less aggregate formation. Chloroform 73-83 linoleate 9S-lipoxygenase-4 Glycine max 219-231 16815818-2 2006 In this study, the effect of natural flavonoid compounds, such as green tea polyphenol, epigallocatechin gallate, quercetin, and rutin on lipoxygenase-mediated co-oxidation of guaiacol, benzidine, paraphenylenediamine, and dimethoxybenzidine was investigated. Polyphenols 76-86 linoleate 9S-lipoxygenase-4 Glycine max 138-150 16815818-2 2006 In this study, the effect of natural flavonoid compounds, such as green tea polyphenol, epigallocatechin gallate, quercetin, and rutin on lipoxygenase-mediated co-oxidation of guaiacol, benzidine, paraphenylenediamine, and dimethoxybenzidine was investigated. epigallocatechin gallate 88-112 linoleate 9S-lipoxygenase-4 Glycine max 138-150 16815818-2 2006 In this study, the effect of natural flavonoid compounds, such as green tea polyphenol, epigallocatechin gallate, quercetin, and rutin on lipoxygenase-mediated co-oxidation of guaiacol, benzidine, paraphenylenediamine, and dimethoxybenzidine was investigated. Quercetin 114-123 linoleate 9S-lipoxygenase-4 Glycine max 138-150 16815818-2 2006 In this study, the effect of natural flavonoid compounds, such as green tea polyphenol, epigallocatechin gallate, quercetin, and rutin on lipoxygenase-mediated co-oxidation of guaiacol, benzidine, paraphenylenediamine, and dimethoxybenzidine was investigated. Rutin 129-134 linoleate 9S-lipoxygenase-4 Glycine max 138-150 16815818-2 2006 In this study, the effect of natural flavonoid compounds, such as green tea polyphenol, epigallocatechin gallate, quercetin, and rutin on lipoxygenase-mediated co-oxidation of guaiacol, benzidine, paraphenylenediamine, and dimethoxybenzidine was investigated. Guaiacol 176-184 linoleate 9S-lipoxygenase-4 Glycine max 138-150 16815818-2 2006 In this study, the effect of natural flavonoid compounds, such as green tea polyphenol, epigallocatechin gallate, quercetin, and rutin on lipoxygenase-mediated co-oxidation of guaiacol, benzidine, paraphenylenediamine, and dimethoxybenzidine was investigated. benzidine 186-195 linoleate 9S-lipoxygenase-4 Glycine max 138-150 16815818-2 2006 In this study, the effect of natural flavonoid compounds, such as green tea polyphenol, epigallocatechin gallate, quercetin, and rutin on lipoxygenase-mediated co-oxidation of guaiacol, benzidine, paraphenylenediamine, and dimethoxybenzidine was investigated. 4-phenylenediamine 197-217 linoleate 9S-lipoxygenase-4 Glycine max 138-150 16815818-2 2006 In this study, the effect of natural flavonoid compounds, such as green tea polyphenol, epigallocatechin gallate, quercetin, and rutin on lipoxygenase-mediated co-oxidation of guaiacol, benzidine, paraphenylenediamine, and dimethoxybenzidine was investigated. Dimethoxybenzidine 223-241 linoleate 9S-lipoxygenase-4 Glycine max 138-150 16815818-3 2006 Green tea polyphenol, epigallocatechin gallate, quercetin, and rutin can reduce the co-oxidation reaction speed of tested compounds mediated by soybean lipoxygenase and the production of oxidative products and free radical intermediates. Polyphenols 10-20 linoleate 9S-lipoxygenase-4 Glycine max 152-164 16815818-3 2006 Green tea polyphenol, epigallocatechin gallate, quercetin, and rutin can reduce the co-oxidation reaction speed of tested compounds mediated by soybean lipoxygenase and the production of oxidative products and free radical intermediates. epigallocatechin gallate 22-46 linoleate 9S-lipoxygenase-4 Glycine max 152-164 16815818-3 2006 Green tea polyphenol, epigallocatechin gallate, quercetin, and rutin can reduce the co-oxidation reaction speed of tested compounds mediated by soybean lipoxygenase and the production of oxidative products and free radical intermediates. Quercetin 48-57 linoleate 9S-lipoxygenase-4 Glycine max 152-164 16815818-3 2006 Green tea polyphenol, epigallocatechin gallate, quercetin, and rutin can reduce the co-oxidation reaction speed of tested compounds mediated by soybean lipoxygenase and the production of oxidative products and free radical intermediates. Rutin 63-68 linoleate 9S-lipoxygenase-4 Glycine max 152-164 16815818-4 2006 Their median inhibition concentrations on guaiacol oxidation mediated by soybean lipoxygenase were 8.22 mg.L-1, 17.8 micromol.L-1, 41.5 micromol.L-1, and 46.3 micromol.L-1, respectively. Guaiacol 42-50 linoleate 9S-lipoxygenase-4 Glycine max 81-93 16391324-0 2006 A one-step method of 10,17-dihydro(pero)xydocosahexa-4Z,7Z,11E,13Z,15E,19Z-enoic acid synthesis by soybean lipoxygenase. 10,17-dihydro(pero)xydocosahexa-4z,7z 21-58 linoleate 9S-lipoxygenase-4 Glycine max 107-119 16391324-0 2006 A one-step method of 10,17-dihydro(pero)xydocosahexa-4Z,7Z,11E,13Z,15E,19Z-enoic acid synthesis by soybean lipoxygenase. N-[(2-Amino-1,3-Benzothiazol-6-Yl)carbonyl]glycine 59-62 linoleate 9S-lipoxygenase-4 Glycine max 107-119 16391324-0 2006 A one-step method of 10,17-dihydro(pero)xydocosahexa-4Z,7Z,11E,13Z,15E,19Z-enoic acid synthesis by soybean lipoxygenase. ,19z-enoic acid 70-85 linoleate 9S-lipoxygenase-4 Glycine max 107-119 16948471-0 2006 Antioxidant and anti-inflammatory activity of aryl-acetic and hydroxamic acids as novel lipoxygenase inhibitors. aryl-acetic and hydroxamic acids 46-78 linoleate 9S-lipoxygenase-4 Glycine max 88-100 16948471-1 2006 Lipoxygenase plays an essential role in the biosynthesis of the leukotrienes. Leukotrienes 64-76 linoleate 9S-lipoxygenase-4 Glycine max 0-12 16948471-3 2006 Simple stable molecules containing the hydroxamic acid functionality have been shown to inhibit 5-lipoxygenase. Hydroxamic Acids 39-54 linoleate 9S-lipoxygenase-4 Glycine max 98-110 16542568-2 2006 The Fourier transform infrared (FT-IR) spectra of the enzyme obtained in chloroform, methanol, and acetonitrile showed an absorption band at 1617 cm(-1) indicative of significant protein aggregation, whereas spectra of lipoxygenase in hexane and octane exhibited substantially less aggregate formation. Methanol 85-93 linoleate 9S-lipoxygenase-4 Glycine max 219-231 16542568-2 2006 The Fourier transform infrared (FT-IR) spectra of the enzyme obtained in chloroform, methanol, and acetonitrile showed an absorption band at 1617 cm(-1) indicative of significant protein aggregation, whereas spectra of lipoxygenase in hexane and octane exhibited substantially less aggregate formation. acetonitrile 99-111 linoleate 9S-lipoxygenase-4 Glycine max 219-231 16542568-4 2006 The secondary structure of lipoxygenase at the hexane-water interface was comparable to that of the structure of lipoxygenase in D(2)O after exposure of lipoxygenase solution to hexane. Hexanes 47-53 linoleate 9S-lipoxygenase-4 Glycine max 27-39 16542568-4 2006 The secondary structure of lipoxygenase at the hexane-water interface was comparable to that of the structure of lipoxygenase in D(2)O after exposure of lipoxygenase solution to hexane. Water 54-59 linoleate 9S-lipoxygenase-4 Glycine max 27-39 16542568-4 2006 The secondary structure of lipoxygenase at the hexane-water interface was comparable to that of the structure of lipoxygenase in D(2)O after exposure of lipoxygenase solution to hexane. Hexanes 178-184 linoleate 9S-lipoxygenase-4 Glycine max 27-39 16542568-4 2006 The secondary structure of lipoxygenase at the hexane-water interface was comparable to that of the structure of lipoxygenase in D(2)O after exposure of lipoxygenase solution to hexane. Hexanes 178-184 linoleate 9S-lipoxygenase-4 Glycine max 113-125 16542568-4 2006 The secondary structure of lipoxygenase at the hexane-water interface was comparable to that of the structure of lipoxygenase in D(2)O after exposure of lipoxygenase solution to hexane. Hexanes 178-184 linoleate 9S-lipoxygenase-4 Glycine max 113-125 16186621-2 2005 The results showed that the highest immobilization efficiencies of LOX, 30.6 and 29.3%, were obtained with DEAE-cellulose and modified Eupergit C250L supports, respectively. DEAE-Cellulose 107-121 linoleate 9S-lipoxygenase-4 Glycine max 67-70 21132078-0 2005 Modeling temperature dependent kinetic isotope effects for hydrogen transfer in a series of soybean lipoxygenase mutants: The effect of anharmonicity upon transfer distance. Hydrogen 59-67 linoleate 9S-lipoxygenase-4 Glycine max 100-112 21132078-1 2005 Soybean lipoxygenase-1 (SLO) catalyzes the oxidation of linoleic acid. Linoleic Acid 56-69 linoleate 9S-lipoxygenase-4 Glycine max 8-20 16157595-1 2005 Recent findings associate the control of stereochemistry in lipoxygenase (LOX) catalysis with a conserved active site alanine for S configuration hydroperoxide products, or a corresponding glycine for R stereoconfiguration. Alanine 118-125 linoleate 9S-lipoxygenase-4 Glycine max 60-72 16157595-1 2005 Recent findings associate the control of stereochemistry in lipoxygenase (LOX) catalysis with a conserved active site alanine for S configuration hydroperoxide products, or a corresponding glycine for R stereoconfiguration. Alanine 118-125 linoleate 9S-lipoxygenase-4 Glycine max 74-77 16157595-1 2005 Recent findings associate the control of stereochemistry in lipoxygenase (LOX) catalysis with a conserved active site alanine for S configuration hydroperoxide products, or a corresponding glycine for R stereoconfiguration. Hydrogen Peroxide 146-159 linoleate 9S-lipoxygenase-4 Glycine max 60-72 16157595-1 2005 Recent findings associate the control of stereochemistry in lipoxygenase (LOX) catalysis with a conserved active site alanine for S configuration hydroperoxide products, or a corresponding glycine for R stereoconfiguration. Hydrogen Peroxide 146-159 linoleate 9S-lipoxygenase-4 Glycine max 74-77 16157595-1 2005 Recent findings associate the control of stereochemistry in lipoxygenase (LOX) catalysis with a conserved active site alanine for S configuration hydroperoxide products, or a corresponding glycine for R stereoconfiguration. Glycine 189-196 linoleate 9S-lipoxygenase-4 Glycine max 60-72 16157595-1 2005 Recent findings associate the control of stereochemistry in lipoxygenase (LOX) catalysis with a conserved active site alanine for S configuration hydroperoxide products, or a corresponding glycine for R stereoconfiguration. Glycine 189-196 linoleate 9S-lipoxygenase-4 Glycine max 74-77 16157595-2 2005 To further elucidate the mechanistic basis for this stereocontrol we compared the stereoselectivity of the initiating hydrogen abstraction in soybean LOX-1 and an Ala542Gly mutant that converts linoleic acid to both 13S and 9R configuration hydroperoxide products. Hydrogen 118-126 linoleate 9S-lipoxygenase-4 Glycine max 150-153 16157595-6 2005 To examine also the reversed orientation of substrate binding, we studied oxygenation of the 15S-hydroperoxide of arachidonic acid by the Ala542Gly mutant soybean LOX-1. 15s-hydroperoxide 93-110 linoleate 9S-lipoxygenase-4 Glycine max 163-166 16157595-6 2005 To examine also the reversed orientation of substrate binding, we studied oxygenation of the 15S-hydroperoxide of arachidonic acid by the Ala542Gly mutant soybean LOX-1. Arachidonic Acid 114-130 linoleate 9S-lipoxygenase-4 Glycine max 163-166 16459928-9 2005 8,13-Dihydroperoxyoctadecatrienoic acid was synthesized by vitamin E-controlled autoxidation of gamma-linolenic acid followed by reaction with soybean lipoxygenase. 8,13-dihydroperoxyoctadecatrienoic acid 0-39 linoleate 9S-lipoxygenase-4 Glycine max 151-163 16459928-9 2005 8,13-Dihydroperoxyoctadecatrienoic acid was synthesized by vitamin E-controlled autoxidation of gamma-linolenic acid followed by reaction with soybean lipoxygenase. Vitamin E 59-68 linoleate 9S-lipoxygenase-4 Glycine max 151-163 16186621-4 2005 The results showed a 1.5 and a 1.6 increase in the activity of free and immobilized LOXs, respectively, using a mixture of hexane and 1,4-dioxane compared with that in hexane alone; however, cosolvents, including 2-octanone, 2-heptanone, 2-butanone, and cyclohexanone, displayed an inhibitory effect on LOX activity. Hexanes 123-129 linoleate 9S-lipoxygenase-4 Glycine max 84-87 16186621-4 2005 The results showed a 1.5 and a 1.6 increase in the activity of free and immobilized LOXs, respectively, using a mixture of hexane and 1,4-dioxane compared with that in hexane alone; however, cosolvents, including 2-octanone, 2-heptanone, 2-butanone, and cyclohexanone, displayed an inhibitory effect on LOX activity. 1,4-dioxane 134-145 linoleate 9S-lipoxygenase-4 Glycine max 84-87 16186621-4 2005 The results showed a 1.5 and a 1.6 increase in the activity of free and immobilized LOXs, respectively, using a mixture of hexane and 1,4-dioxane compared with that in hexane alone; however, cosolvents, including 2-octanone, 2-heptanone, 2-butanone, and cyclohexanone, displayed an inhibitory effect on LOX activity. Hexanes 168-174 linoleate 9S-lipoxygenase-4 Glycine max 84-87 16186621-4 2005 The results showed a 1.5 and a 1.6 increase in the activity of free and immobilized LOXs, respectively, using a mixture of hexane and 1,4-dioxane compared with that in hexane alone; however, cosolvents, including 2-octanone, 2-heptanone, 2-butanone, and cyclohexanone, displayed an inhibitory effect on LOX activity. 2-octanone 213-223 linoleate 9S-lipoxygenase-4 Glycine max 84-87 16186621-4 2005 The results showed a 1.5 and a 1.6 increase in the activity of free and immobilized LOXs, respectively, using a mixture of hexane and 1,4-dioxane compared with that in hexane alone; however, cosolvents, including 2-octanone, 2-heptanone, 2-butanone, and cyclohexanone, displayed an inhibitory effect on LOX activity. 2-heptanone 225-236 linoleate 9S-lipoxygenase-4 Glycine max 84-87 16186621-4 2005 The results showed a 1.5 and a 1.6 increase in the activity of free and immobilized LOXs, respectively, using a mixture of hexane and 1,4-dioxane compared with that in hexane alone; however, cosolvents, including 2-octanone, 2-heptanone, 2-butanone, and cyclohexanone, displayed an inhibitory effect on LOX activity. methylethyl ketone 238-248 linoleate 9S-lipoxygenase-4 Glycine max 84-87 16186621-4 2005 The results showed a 1.5 and a 1.6 increase in the activity of free and immobilized LOXs, respectively, using a mixture of hexane and 1,4-dioxane compared with that in hexane alone; however, cosolvents, including 2-octanone, 2-heptanone, 2-butanone, and cyclohexanone, displayed an inhibitory effect on LOX activity. cyclohexanone 254-267 linoleate 9S-lipoxygenase-4 Glycine max 84-87 16186621-5 2005 In the mixture of 1,4-dioxane and hexane, LOX activity was dependent on the cosolvent concentration, which was increased with 1,4-dioxane up to 5% (v/v). 1,4-dioxane 18-29 linoleate 9S-lipoxygenase-4 Glycine max 42-45 16186621-5 2005 In the mixture of 1,4-dioxane and hexane, LOX activity was dependent on the cosolvent concentration, which was increased with 1,4-dioxane up to 5% (v/v). Hexanes 34-40 linoleate 9S-lipoxygenase-4 Glycine max 42-45 16186621-5 2005 In the mixture of 1,4-dioxane and hexane, LOX activity was dependent on the cosolvent concentration, which was increased with 1,4-dioxane up to 5% (v/v). 1,4-dioxane 126-137 linoleate 9S-lipoxygenase-4 Glycine max 42-45 16104814-2 2005 Soybean lipoxygenase (LOX) isozyme LOX 3 was reported not only to produce less 13-hydroperoxides, precursors of C(6) aldehydes, but also to convert them to ketodiene products. 13-hydroperoxides 79-96 linoleate 9S-lipoxygenase-4 Glycine max 8-20 16104814-2 2005 Soybean lipoxygenase (LOX) isozyme LOX 3 was reported not only to produce less 13-hydroperoxides, precursors of C(6) aldehydes, but also to convert them to ketodiene products. 13-hydroperoxides 79-96 linoleate 9S-lipoxygenase-4 Glycine max 22-25 16104814-2 2005 Soybean lipoxygenase (LOX) isozyme LOX 3 was reported not only to produce less 13-hydroperoxides, precursors of C(6) aldehydes, but also to convert them to ketodiene products. n-hexanal 112-126 linoleate 9S-lipoxygenase-4 Glycine max 8-20 16104814-2 2005 Soybean lipoxygenase (LOX) isozyme LOX 3 was reported not only to produce less 13-hydroperoxides, precursors of C(6) aldehydes, but also to convert them to ketodiene products. n-hexanal 112-126 linoleate 9S-lipoxygenase-4 Glycine max 22-25 16104814-2 2005 Soybean lipoxygenase (LOX) isozyme LOX 3 was reported not only to produce less 13-hydroperoxides, precursors of C(6) aldehydes, but also to convert them to ketodiene products. ketodiene 156-165 linoleate 9S-lipoxygenase-4 Glycine max 8-20 16104814-2 2005 Soybean lipoxygenase (LOX) isozyme LOX 3 was reported not only to produce less 13-hydroperoxides, precursors of C(6) aldehydes, but also to convert them to ketodiene products. ketodiene 156-165 linoleate 9S-lipoxygenase-4 Glycine max 22-25 16104814-3 2005 Here, we examined the effects of LOX 3 on hexenal formation from linolenic acid homogenized with watermelon 13-hydroperoxide lyase (HL)-overexpressing Nicotiana tabacum leaves and soybean acetone powder. Hexobarbital 42-49 linoleate 9S-lipoxygenase-4 Glycine max 33-36 16104814-3 2005 Here, we examined the effects of LOX 3 on hexenal formation from linolenic acid homogenized with watermelon 13-hydroperoxide lyase (HL)-overexpressing Nicotiana tabacum leaves and soybean acetone powder. alpha-Linolenic Acid 65-79 linoleate 9S-lipoxygenase-4 Glycine max 33-36 16104814-4 2005 Compared to the wild type, which contains LOXs 1, 2, and 3, the elimination of LOX 3 in LOX 1 + 2 facilitates greater production of hexenals. Hexobarbital 132-140 linoleate 9S-lipoxygenase-4 Glycine max 42-45 16104814-5 2005 The use of LOX 2 alone yielded the highest hexenal production, while a two-step conversion was required for LOX 1 to produce hexenals at high levels due to different pH optima of the enzymes involved. Hexobarbital 43-50 linoleate 9S-lipoxygenase-4 Glycine max 11-14 16104814-5 2005 The use of LOX 2 alone yielded the highest hexenal production, while a two-step conversion was required for LOX 1 to produce hexenals at high levels due to different pH optima of the enzymes involved. Hexobarbital 125-133 linoleate 9S-lipoxygenase-4 Glycine max 11-14 15664304-0 2005 Effect of Cleome arabica leaf extract, rutin and quercetin on soybean lipoxygenase activity and on generation of inflammatory eicosanoids by human neutrophils. Quercetin 49-58 linoleate 9S-lipoxygenase-4 Glycine max 70-82 15941315-3 2005 Twenty-one compounds, including 11 aldehydes, three alcohols, four ketones, one furan, one alkane, and one alkene were detected in the LOX normal soybean line. Alkanes 91-97 linoleate 9S-lipoxygenase-4 Glycine max 135-138 15941315-3 2005 Twenty-one compounds, including 11 aldehydes, three alcohols, four ketones, one furan, one alkane, and one alkene were detected in the LOX normal soybean line. Alkenes 107-113 linoleate 9S-lipoxygenase-4 Glycine max 135-138 15941315-5 2005 The antifungal aldehydes hexanal and (E)-2-hexenal were observed in both LOX normal and LOX deficient lines and were detected at significantly higher amounts in soybean homogenate with added lipase. Aldehydes 15-24 linoleate 9S-lipoxygenase-4 Glycine max 73-76 15941315-5 2005 The antifungal aldehydes hexanal and (E)-2-hexenal were observed in both LOX normal and LOX deficient lines and were detected at significantly higher amounts in soybean homogenate with added lipase. Aldehydes 15-24 linoleate 9S-lipoxygenase-4 Glycine max 88-91 15941315-5 2005 The antifungal aldehydes hexanal and (E)-2-hexenal were observed in both LOX normal and LOX deficient lines and were detected at significantly higher amounts in soybean homogenate with added lipase. 2-hexenal 37-50 linoleate 9S-lipoxygenase-4 Glycine max 73-76 15941315-5 2005 The antifungal aldehydes hexanal and (E)-2-hexenal were observed in both LOX normal and LOX deficient lines and were detected at significantly higher amounts in soybean homogenate with added lipase. 2-hexenal 37-50 linoleate 9S-lipoxygenase-4 Glycine max 88-91 15941315-6 2005 These aldehydes may be formed through alternate pathways, other than the LOX pathway, and may account for the inhibition of A. flavus growth observed. Aldehydes 6-15 linoleate 9S-lipoxygenase-4 Glycine max 73-76 15941315-7 2005 Other volatiles detected, particularly the ketones and alcohols, may contribute to the antifungal activity observed in both LOX normal and LOX deficient soybean lines. Ketones 43-50 linoleate 9S-lipoxygenase-4 Glycine max 124-127 15941315-7 2005 Other volatiles detected, particularly the ketones and alcohols, may contribute to the antifungal activity observed in both LOX normal and LOX deficient soybean lines. Alcohols 55-63 linoleate 9S-lipoxygenase-4 Glycine max 124-127 15941315-7 2005 Other volatiles detected, particularly the ketones and alcohols, may contribute to the antifungal activity observed in both LOX normal and LOX deficient soybean lines. Alcohols 55-63 linoleate 9S-lipoxygenase-4 Glycine max 139-142 15913294-0 2005 Lipoxygenase inhibitory activity of anacardic acids. Anacardic Acids 36-51 linoleate 9S-lipoxygenase-4 Glycine max 0-12 15796576-8 2005 The results showed that 0.1% procyanidins have a strong antioxidant activity in a soybean oil system, better than BHT at the same concentration; inhibited lipoxygenase activity by >90% at a concentration of 62.5 mug/mL, with an IC(50) value of 21.6 mug/mL; and had IC(50) inhibitory values rate to (*)OH of 10.5 mg/L and a scavenging effect on O(2)(*)(-) of 17.6 mg/L. Proanthocyanidins 29-41 linoleate 9S-lipoxygenase-4 Glycine max 155-167 15664304-6 2005 The extract, rutin and quercetin caused concentration-dependent inhibition of soybean Lox activity. Rutin 13-18 linoleate 9S-lipoxygenase-4 Glycine max 86-89 15664304-6 2005 The extract, rutin and quercetin caused concentration-dependent inhibition of soybean Lox activity. Quercetin 23-32 linoleate 9S-lipoxygenase-4 Glycine max 86-89 15664304-7 2005 These results indicate that rutin, quercetin and an extract of C. arabica containing these compounds inhibit Lox activity, consequently decreasing LTB4 production. Rutin 28-33 linoleate 9S-lipoxygenase-4 Glycine max 109-112 15664304-7 2005 These results indicate that rutin, quercetin and an extract of C. arabica containing these compounds inhibit Lox activity, consequently decreasing LTB4 production. Quercetin 35-44 linoleate 9S-lipoxygenase-4 Glycine max 109-112 14745171-0 2004 Tetrapetalone A, a novel lipoxygenase inhibitor from Streptomyces sp. tetrapetalone A 0-15 linoleate 9S-lipoxygenase-4 Glycine max 25-37 15476400-1 2004 There is much debate whether the fatty acid substrate of lipoxygenase binds "carboxylate-end first" or "methyl-end first" in the active site of soybean lipoxygenase-1 (sLO-1). Fatty Acids 33-43 linoleate 9S-lipoxygenase-4 Glycine max 57-69 15137872-0 2004 Lipoxygenase inhibitory activity of octyl gallate. octyl gallate 36-49 linoleate 9S-lipoxygenase-4 Glycine max 0-12 15118321-2 2004 USF-4727 that produced a lipoxygenase inhibitor tetrapetalone A (1) simultaneously. tetrapetalone A 48-63 linoleate 9S-lipoxygenase-4 Glycine max 25-37 15118321-5 2004 Tetrapetalone B, C, and D inhibited soybean lipoxygenase with IC(50): 320, 360, and 340 microM respectively. tetrapetalone B 0-15 linoleate 9S-lipoxygenase-4 Glycine max 44-56 14993710-1 2004 4-Nitrocatechol (4NC) is a known inhibitor of lipoxygenase. 4-nitrocatechol 0-15 linoleate 9S-lipoxygenase-4 Glycine max 46-58 14993710-1 2004 4-Nitrocatechol (4NC) is a known inhibitor of lipoxygenase. 4-nitrocatechol 17-20 linoleate 9S-lipoxygenase-4 Glycine max 46-58 14993710-7 2004 A description of the catechol binding contributes to the understanding of lipoxygenase inhibition and the participation of its co-oxidative activity in the utilization of natural flavonoids. catechol 21-29 linoleate 9S-lipoxygenase-4 Glycine max 74-86 14993710-7 2004 A description of the catechol binding contributes to the understanding of lipoxygenase inhibition and the participation of its co-oxidative activity in the utilization of natural flavonoids. Flavonoids 179-189 linoleate 9S-lipoxygenase-4 Glycine max 74-86 15458348-0 2004 Chlorpromazine N-demethylation by hydroperoxidase activity of covalent immobilized lipoxygenase. Chlorpromazine 0-14 linoleate 9S-lipoxygenase-4 Glycine max 83-95 15458348-2 2004 Previously (1) we have shown that immobilized lipoxygenase produces the oxidative degradation of CPZ in the presence of hydrogen peroxide. Chlorpromazine 97-100 linoleate 9S-lipoxygenase-4 Glycine max 46-58 15458348-2 2004 Previously (1) we have shown that immobilized lipoxygenase produces the oxidative degradation of CPZ in the presence of hydrogen peroxide. Hydrogen Peroxide 120-137 linoleate 9S-lipoxygenase-4 Glycine max 46-58 15458348-3 2004 As a continuation of this work, here we studied the N-demethylation of CPZ by the hydroperoxidase activity of covalent immobilized soybean lipoxygenase. Nitrogen 52-53 linoleate 9S-lipoxygenase-4 Glycine max 139-151 15458348-3 2004 As a continuation of this work, here we studied the N-demethylation of CPZ by the hydroperoxidase activity of covalent immobilized soybean lipoxygenase. Chlorpromazine 71-74 linoleate 9S-lipoxygenase-4 Glycine max 139-151 15458348-6 2004 The results obtained in this work, together with those obtained previously by us for the oxidation of CPZ, suggest that hydroperoxidase activity of immobilized lipoxygenase may constitute a valuable tool for oxidative xenobiotics degradation or for application to synthetic processes in which a N-demethylation reaction is involved. Chlorpromazine 102-105 linoleate 9S-lipoxygenase-4 Glycine max 160-172 15458348-6 2004 The results obtained in this work, together with those obtained previously by us for the oxidation of CPZ, suggest that hydroperoxidase activity of immobilized lipoxygenase may constitute a valuable tool for oxidative xenobiotics degradation or for application to synthetic processes in which a N-demethylation reaction is involved. Nitrogen 295-296 linoleate 9S-lipoxygenase-4 Glycine max 160-172 14745171-2 2004 This assay was used to find the novel lipoxygenase inhibitor, tetrapetalone A (1). tetrapetalone A 62-77 linoleate 9S-lipoxygenase-4 Glycine max 38-50 14745171-9 2004 Tetrapetalone A showed similar inhibitory activity against soybean lipoxygenase to the two well-known lipoxygenase inhibitors, kojic acid and NDGA, while methylated tetrapetalone A (2) showed little inhibitory activity, even at a concentration of 1 mM. tetrapetalone A 0-15 linoleate 9S-lipoxygenase-4 Glycine max 67-79 14745171-9 2004 Tetrapetalone A showed similar inhibitory activity against soybean lipoxygenase to the two well-known lipoxygenase inhibitors, kojic acid and NDGA, while methylated tetrapetalone A (2) showed little inhibitory activity, even at a concentration of 1 mM. tetrapetalone A 0-15 linoleate 9S-lipoxygenase-4 Glycine max 102-114 14971310-1 2003 Lipoxygenase was extracted from African oil bean seed and purified by ammonium sulphate precipitation, gel filtration on Sephadex G-25 and ion-exchange chromatography on DEAE--cellulose column. Ammonium Sulfate 70-87 linoleate 9S-lipoxygenase-4 Glycine max 0-12 14971310-1 2003 Lipoxygenase was extracted from African oil bean seed and purified by ammonium sulphate precipitation, gel filtration on Sephadex G-25 and ion-exchange chromatography on DEAE--cellulose column. sephadex 121-134 linoleate 9S-lipoxygenase-4 Glycine max 0-12 14971310-1 2003 Lipoxygenase was extracted from African oil bean seed and purified by ammonium sulphate precipitation, gel filtration on Sephadex G-25 and ion-exchange chromatography on DEAE--cellulose column. DEAE-Cellulose 170-185 linoleate 9S-lipoxygenase-4 Glycine max 0-12 12818687-0 2003 Novel thiazolyl, thiazolinyl and benzothiazolyl Schiff bases as possible lipoxygenase"s inhibitors and anti-inflammatory agents. thiazolyl, thiazolinyl and benzothiazolyl schiff bases 6-60 linoleate 9S-lipoxygenase-4 Glycine max 73-85 15369335-0 2003 An unusual isotope effect on substrate inhibition in the oxidation of arachidonic acid by lipoxygenase. Arachidonic Acid 70-86 linoleate 9S-lipoxygenase-4 Glycine max 90-102 15369335-1 2003 Soybean lipoxygenase catalyzes the oxidation of arachidonic acid to 15S-HPETE. Arachidonic Acid 48-64 linoleate 9S-lipoxygenase-4 Glycine max 8-20 15369335-1 2003 Soybean lipoxygenase catalyzes the oxidation of arachidonic acid to 15S-HPETE. 15-hydroperoxy-5,8,11,13-eicosatetraenoic acid 68-77 linoleate 9S-lipoxygenase-4 Glycine max 8-20 12826254-0 2003 Identification of spin trapped carbon-centered radicals in soybean lipoxygenase-dependent peroxidations of omega-3 polyunsaturated fatty acids by LC/ESR, LC/MS, and tandem MS. With the combined techniques of on-line liquid chromatography/electron spin resonance (LC/ESR) and on-line liquid chromatography/mass spectrometry (LC/MS), we have previously characterized all classes of lipid-derived carbon-centered radicals (*Ld) formed from omega-6 polyunsaturated fatty acids (PUFAs: linoleic acid and arachidonic acid). Carbon 31-37 linoleate 9S-lipoxygenase-4 Glycine max 67-79 12826254-0 2003 Identification of spin trapped carbon-centered radicals in soybean lipoxygenase-dependent peroxidations of omega-3 polyunsaturated fatty acids by LC/ESR, LC/MS, and tandem MS. With the combined techniques of on-line liquid chromatography/electron spin resonance (LC/ESR) and on-line liquid chromatography/mass spectrometry (LC/MS), we have previously characterized all classes of lipid-derived carbon-centered radicals (*Ld) formed from omega-6 polyunsaturated fatty acids (PUFAs: linoleic acid and arachidonic acid). omega-3 polyunsaturated fatty acids 107-142 linoleate 9S-lipoxygenase-4 Glycine max 67-79 12964012-0 2003 Inhibition of lipoxygenase by (-)-epigallocatechin gallate: X-ray analysis at 2.1 A reveals degradation of EGCG and shows soybean LOX-3 complex with EGC instead. epigallocatechin gallate 30-58 linoleate 9S-lipoxygenase-4 Glycine max 14-26 12964012-0 2003 Inhibition of lipoxygenase by (-)-epigallocatechin gallate: X-ray analysis at 2.1 A reveals degradation of EGCG and shows soybean LOX-3 complex with EGC instead. epigallocatechin gallate 107-111 linoleate 9S-lipoxygenase-4 Glycine max 14-26 12964012-0 2003 Inhibition of lipoxygenase by (-)-epigallocatechin gallate: X-ray analysis at 2.1 A reveals degradation of EGCG and shows soybean LOX-3 complex with EGC instead. gallocatechol 107-110 linoleate 9S-lipoxygenase-4 Glycine max 14-26 12964012-5 2003 This work presents results obtained from an X-ray analysis of (-)-epigallocatechin gallate (EGCG) interacting with soybean lipoxygenase-3. epigallocatechin gallate 62-90 linoleate 9S-lipoxygenase-4 Glycine max 123-135 12964012-5 2003 This work presents results obtained from an X-ray analysis of (-)-epigallocatechin gallate (EGCG) interacting with soybean lipoxygenase-3. epigallocatechin gallate 92-96 linoleate 9S-lipoxygenase-4 Glycine max 123-135 12105892-3 2002 Modeling of the isotope effect data allows for a comparison to the hydrogen transfer catalyzed by soybean lipoxygenase in terms of environmental reorganization energy and frequency of the protein vibration that controls the hydrogen transfer. Hydrogen 67-75 linoleate 9S-lipoxygenase-4 Glycine max 106-118 12792803-0 2003 Structure of curcumin in complex with lipoxygenase and its significance in cancer. Curcumin 13-21 linoleate 9S-lipoxygenase-4 Glycine max 38-50 12792803-3 2003 This work delivers the first 3D structural data and explains how curcumin interacts with the fatty acid metabolizing enzyme, soybean lipoxygenase. Curcumin 65-73 linoleate 9S-lipoxygenase-4 Glycine max 133-145 12792803-3 2003 This work delivers the first 3D structural data and explains how curcumin interacts with the fatty acid metabolizing enzyme, soybean lipoxygenase. Fatty Acids 93-103 linoleate 9S-lipoxygenase-4 Glycine max 133-145 12792803-4 2003 Curcumin binds to lipoxygenase in a non-competitive manner. Curcumin 0-8 linoleate 9S-lipoxygenase-4 Glycine max 18-30 12495021-4 2002 Autoclaved whole seeds, with or without LOX, produced good fungal growth and aflatoxin levels approaching those of broken seeds. Aflatoxins 77-86 linoleate 9S-lipoxygenase-4 Glycine max 40-43 12234194-0 2002 Irreversible inactivation of soybean lipoxygenase-1 by hydrophobic thiols. Sulfhydryl Compounds 67-73 linoleate 9S-lipoxygenase-4 Glycine max 37-49 12234194-1 2002 Soybean lipoxygenase-1 is inactivated by micromolar concentrations of the following hydrophobic thiols: 1-octanethiol, 12(S)-mercapto-9(Z)-octadecenoic acid (S-12-HSODE), 12(R)-mercapto-9(Z)-octadecenoic acid (R-12-HSODE), and 12-mercaptooctadecanoic acid (12-HSODA). Sulfhydryl Compounds 96-102 linoleate 9S-lipoxygenase-4 Glycine max 8-20 12234194-1 2002 Soybean lipoxygenase-1 is inactivated by micromolar concentrations of the following hydrophobic thiols: 1-octanethiol, 12(S)-mercapto-9(Z)-octadecenoic acid (S-12-HSODE), 12(R)-mercapto-9(Z)-octadecenoic acid (R-12-HSODE), and 12-mercaptooctadecanoic acid (12-HSODA). n-octanethiol 104-117 linoleate 9S-lipoxygenase-4 Glycine max 8-20 12234194-1 2002 Soybean lipoxygenase-1 is inactivated by micromolar concentrations of the following hydrophobic thiols: 1-octanethiol, 12(S)-mercapto-9(Z)-octadecenoic acid (S-12-HSODE), 12(R)-mercapto-9(Z)-octadecenoic acid (R-12-HSODE), and 12-mercaptooctadecanoic acid (12-HSODA). 12(s)-mercapto-9(z)-octadecenoic acid 119-156 linoleate 9S-lipoxygenase-4 Glycine max 8-20 12234194-1 2002 Soybean lipoxygenase-1 is inactivated by micromolar concentrations of the following hydrophobic thiols: 1-octanethiol, 12(S)-mercapto-9(Z)-octadecenoic acid (S-12-HSODE), 12(R)-mercapto-9(Z)-octadecenoic acid (R-12-HSODE), and 12-mercaptooctadecanoic acid (12-HSODA). s-12-hsode 158-168 linoleate 9S-lipoxygenase-4 Glycine max 8-20 12234194-1 2002 Soybean lipoxygenase-1 is inactivated by micromolar concentrations of the following hydrophobic thiols: 1-octanethiol, 12(S)-mercapto-9(Z)-octadecenoic acid (S-12-HSODE), 12(R)-mercapto-9(Z)-octadecenoic acid (R-12-HSODE), and 12-mercaptooctadecanoic acid (12-HSODA). 12(r)-mercapto-9(z)-octadecenoic acid 171-208 linoleate 9S-lipoxygenase-4 Glycine max 8-20 12234194-1 2002 Soybean lipoxygenase-1 is inactivated by micromolar concentrations of the following hydrophobic thiols: 1-octanethiol, 12(S)-mercapto-9(Z)-octadecenoic acid (S-12-HSODE), 12(R)-mercapto-9(Z)-octadecenoic acid (R-12-HSODE), and 12-mercaptooctadecanoic acid (12-HSODA). r-12-hsode 210-220 linoleate 9S-lipoxygenase-4 Glycine max 8-20 12234194-1 2002 Soybean lipoxygenase-1 is inactivated by micromolar concentrations of the following hydrophobic thiols: 1-octanethiol, 12(S)-mercapto-9(Z)-octadecenoic acid (S-12-HSODE), 12(R)-mercapto-9(Z)-octadecenoic acid (R-12-HSODE), and 12-mercaptooctadecanoic acid (12-HSODA). 12-mercaptooctadecanoic acid 227-255 linoleate 9S-lipoxygenase-4 Glycine max 8-20 12234194-1 2002 Soybean lipoxygenase-1 is inactivated by micromolar concentrations of the following hydrophobic thiols: 1-octanethiol, 12(S)-mercapto-9(Z)-octadecenoic acid (S-12-HSODE), 12(R)-mercapto-9(Z)-octadecenoic acid (R-12-HSODE), and 12-mercaptooctadecanoic acid (12-HSODA). 12-hsoda 257-265 linoleate 9S-lipoxygenase-4 Glycine max 8-20 12234194-4 2002 Lipoxygenase catalyzes an oxygenation reaction on each of the aforementioned thiols, as judged by the consumption of O(2). Sulfhydryl Compounds 77-83 linoleate 9S-lipoxygenase-4 Glycine max 0-12 12234194-4 2002 Lipoxygenase catalyzes an oxygenation reaction on each of the aforementioned thiols, as judged by the consumption of O(2). Oxygen 117-121 linoleate 9S-lipoxygenase-4 Glycine max 0-12 12234194-11 2002 The results imply that hydrophobic thiols irreversibly inactivate soybean lipoxygenase by a mechanism that involves oxidation at sulfur. Sulfhydryl Compounds 35-41 linoleate 9S-lipoxygenase-4 Glycine max 74-86 12234194-11 2002 The results imply that hydrophobic thiols irreversibly inactivate soybean lipoxygenase by a mechanism that involves oxidation at sulfur. Sulfur 129-135 linoleate 9S-lipoxygenase-4 Glycine max 74-86 12105957-0 2002 Development of a biocatalytic process for the production of c6-aldehydes from vegetable oils by soybean lipoxygenase and recombinant hydroperoxide lyase. n-hexanal 60-72 linoleate 9S-lipoxygenase-4 Glycine max 104-116 12105957-0 2002 Development of a biocatalytic process for the production of c6-aldehydes from vegetable oils by soybean lipoxygenase and recombinant hydroperoxide lyase. Plant Oils 78-92 linoleate 9S-lipoxygenase-4 Glycine max 104-116 12105957-3 2002 Vegetable oils were converted by soybean lipoxygenase and recombinant hydroperoxide lyase into hexanal and (2E)- or (3Z)-hexenal. Plant Oils 0-14 linoleate 9S-lipoxygenase-4 Glycine max 41-53 12826254-0 2003 Identification of spin trapped carbon-centered radicals in soybean lipoxygenase-dependent peroxidations of omega-3 polyunsaturated fatty acids by LC/ESR, LC/MS, and tandem MS. With the combined techniques of on-line liquid chromatography/electron spin resonance (LC/ESR) and on-line liquid chromatography/mass spectrometry (LC/MS), we have previously characterized all classes of lipid-derived carbon-centered radicals (*Ld) formed from omega-6 polyunsaturated fatty acids (PUFAs: linoleic acid and arachidonic acid). carbon-centered radicals 31-55 linoleate 9S-lipoxygenase-4 Glycine max 67-79 12826254-0 2003 Identification of spin trapped carbon-centered radicals in soybean lipoxygenase-dependent peroxidations of omega-3 polyunsaturated fatty acids by LC/ESR, LC/MS, and tandem MS. With the combined techniques of on-line liquid chromatography/electron spin resonance (LC/ESR) and on-line liquid chromatography/mass spectrometry (LC/MS), we have previously characterized all classes of lipid-derived carbon-centered radicals (*Ld) formed from omega-6 polyunsaturated fatty acids (PUFAs: linoleic acid and arachidonic acid). omega-6 polyunsaturated fatty acids 437-472 linoleate 9S-lipoxygenase-4 Glycine max 67-79 12826254-0 2003 Identification of spin trapped carbon-centered radicals in soybean lipoxygenase-dependent peroxidations of omega-3 polyunsaturated fatty acids by LC/ESR, LC/MS, and tandem MS. With the combined techniques of on-line liquid chromatography/electron spin resonance (LC/ESR) and on-line liquid chromatography/mass spectrometry (LC/MS), we have previously characterized all classes of lipid-derived carbon-centered radicals (*Ld) formed from omega-6 polyunsaturated fatty acids (PUFAs: linoleic acid and arachidonic acid). Fatty Acids, Unsaturated 474-479 linoleate 9S-lipoxygenase-4 Glycine max 67-79 12826254-0 2003 Identification of spin trapped carbon-centered radicals in soybean lipoxygenase-dependent peroxidations of omega-3 polyunsaturated fatty acids by LC/ESR, LC/MS, and tandem MS. With the combined techniques of on-line liquid chromatography/electron spin resonance (LC/ESR) and on-line liquid chromatography/mass spectrometry (LC/MS), we have previously characterized all classes of lipid-derived carbon-centered radicals (*Ld) formed from omega-6 polyunsaturated fatty acids (PUFAs: linoleic acid and arachidonic acid). Linoleic Acid 481-494 linoleate 9S-lipoxygenase-4 Glycine max 67-79 12826254-0 2003 Identification of spin trapped carbon-centered radicals in soybean lipoxygenase-dependent peroxidations of omega-3 polyunsaturated fatty acids by LC/ESR, LC/MS, and tandem MS. With the combined techniques of on-line liquid chromatography/electron spin resonance (LC/ESR) and on-line liquid chromatography/mass spectrometry (LC/MS), we have previously characterized all classes of lipid-derived carbon-centered radicals (*Ld) formed from omega-6 polyunsaturated fatty acids (PUFAs: linoleic acid and arachidonic acid). Arachidonic Acid 499-515 linoleate 9S-lipoxygenase-4 Glycine max 67-79 12826254-1 2003 In the present study, the carbon-centered radicals formed from two omega-3 PUFAs (linolenic acid and docosahexaenoic acid) resulting from their reactions with soybean lipoxygenase in the presence of alpha-[4-pyridyl 1-oxide]-N-tert-butylnitrone (POBN) were investigated using the combination of LC/ESR and LC/MS techniques. Carbon 26-32 linoleate 9S-lipoxygenase-4 Glycine max 167-179 12826254-1 2003 In the present study, the carbon-centered radicals formed from two omega-3 PUFAs (linolenic acid and docosahexaenoic acid) resulting from their reactions with soybean lipoxygenase in the presence of alpha-[4-pyridyl 1-oxide]-N-tert-butylnitrone (POBN) were investigated using the combination of LC/ESR and LC/MS techniques. alpha-Linolenic Acid 82-96 linoleate 9S-lipoxygenase-4 Glycine max 167-179 12826254-1 2003 In the present study, the carbon-centered radicals formed from two omega-3 PUFAs (linolenic acid and docosahexaenoic acid) resulting from their reactions with soybean lipoxygenase in the presence of alpha-[4-pyridyl 1-oxide]-N-tert-butylnitrone (POBN) were investigated using the combination of LC/ESR and LC/MS techniques. Docosahexaenoic Acids 101-121 linoleate 9S-lipoxygenase-4 Glycine max 167-179 12826254-1 2003 In the present study, the carbon-centered radicals formed from two omega-3 PUFAs (linolenic acid and docosahexaenoic acid) resulting from their reactions with soybean lipoxygenase in the presence of alpha-[4-pyridyl 1-oxide]-N-tert-butylnitrone (POBN) were investigated using the combination of LC/ESR and LC/MS techniques. alpha-(4-pyridyl-1-oxide)-N-tert-butylnitrone 199-244 linoleate 9S-lipoxygenase-4 Glycine max 167-179 12826254-1 2003 In the present study, the carbon-centered radicals formed from two omega-3 PUFAs (linolenic acid and docosahexaenoic acid) resulting from their reactions with soybean lipoxygenase in the presence of alpha-[4-pyridyl 1-oxide]-N-tert-butylnitrone (POBN) were investigated using the combination of LC/ESR and LC/MS techniques. POBN 246-250 linoleate 9S-lipoxygenase-4 Glycine max 167-179 12617600-0 2003 Oxidation of resveratrol catalyzed by soybean lipoxygenase. Resveratrol 13-24 linoleate 9S-lipoxygenase-4 Glycine max 46-58 12617600-4 2003 When resveratrol was incubated in the presence of lipoxygenase at pH 9.0, the reaction displayed a k(M) value of 18.6 x 10(-)(6) M and a catalytic efficiency (k(cat)/k(M)) of 4.3 x 10(4) s(-)(1) M(-)(1). Resveratrol 5-16 linoleate 9S-lipoxygenase-4 Glycine max 50-62 12617600-6 2003 The effect of lipoxygenase inhibitors on the lipoxygenase-catalyzed resveratrol oxidation was also evaluated. Resveratrol 68-79 linoleate 9S-lipoxygenase-4 Glycine max 14-26 12617600-6 2003 The effect of lipoxygenase inhibitors on the lipoxygenase-catalyzed resveratrol oxidation was also evaluated. Resveratrol 68-79 linoleate 9S-lipoxygenase-4 Glycine max 45-57 12105957-3 2002 Vegetable oils were converted by soybean lipoxygenase and recombinant hydroperoxide lyase into hexanal and (2E)- or (3Z)-hexenal. (2e)- or (3z)-hexenal 107-128 linoleate 9S-lipoxygenase-4 Glycine max 41-53 12105892-3 2002 Modeling of the isotope effect data allows for a comparison to the hydrogen transfer catalyzed by soybean lipoxygenase in terms of environmental reorganization energy and frequency of the protein vibration that controls the hydrogen transfer. Hydrogen 224-232 linoleate 9S-lipoxygenase-4 Glycine max 106-118 12130848-0 2002 Synthesis of new azulene derivatives and study of their effect on lipid peroxidation and lipoxygenase activity. azulene 17-24 linoleate 9S-lipoxygenase-4 Glycine max 89-101 11983531-0 2002 A simple method for the preparation of (5Z,8Z,11Z,14Z)-16-hydroxyeicosa-5,8,11,14-tetraenoic acid enantiomers and the corresponding 14,15-dehydro analogues: role of the 16-hydroxy group for the lipoxygenase reaction. 16-hydroxy-5,8,11,14-eicosatetraenoic acid 39-97 linoleate 9S-lipoxygenase-4 Glycine max 194-206 11983531-4 2002 When 16-HETE was tested as lipoxygenase substrate, we found that it is well oxygenated by the soybean 15-lipoxygenase and by the recombinant human 5-lipoxygenase. 16-hydroxy-5,8,11,14-eicosatetraenoic acid 5-12 linoleate 9S-lipoxygenase-4 Glycine max 27-39 11983531-4 2002 When 16-HETE was tested as lipoxygenase substrate, we found that it is well oxygenated by the soybean 15-lipoxygenase and by the recombinant human 5-lipoxygenase. 16-hydroxy-5,8,11,14-eicosatetraenoic acid 5-12 linoleate 9S-lipoxygenase-4 Glycine max 105-117 11983531-6 2002 In contrast, the product pattern of 16-HETE methyl ester oxygenation by the soybean lipoxygenase (5-lipoxygenation) may be explained by an inverse head to tail substrate orientation. 16-hete methyl ester 36-56 linoleate 9S-lipoxygenase-4 Glycine max 84-96 11807975-0 2002 Abietic acid inhibits lipoxygenase activity. abietic acid 0-12 linoleate 9S-lipoxygenase-4 Glycine max 22-34 12033451-2 2002 It has been known that lipoxygenase-mediated lipid peroxidation proceeds in general via regio-, stereo- and enantio-specific mechanisms, but that it is sometimes accompanied by a share of random hydroperoxides as side reaction products. Hydrogen Peroxide 195-209 linoleate 9S-lipoxygenase-4 Glycine max 23-35 12033451-3 2002 In this study we investigated the oxidation of various substrates (linoleic acid, methyl linoleate, phosphatidylcholine, isolated LDL, and human plasma) by the arachidonate 15-lipoxygenases from rabbit reticulocytes and soybeans aiming at elucidating the effects of substrate, lipoxygenase and reaction milieu on the contribution and mechanism of random oxidation and also the effect of antioxidant. Linoleic Acid 67-80 linoleate 9S-lipoxygenase-4 Glycine max 176-188 12033451-3 2002 In this study we investigated the oxidation of various substrates (linoleic acid, methyl linoleate, phosphatidylcholine, isolated LDL, and human plasma) by the arachidonate 15-lipoxygenases from rabbit reticulocytes and soybeans aiming at elucidating the effects of substrate, lipoxygenase and reaction milieu on the contribution and mechanism of random oxidation and also the effect of antioxidant. methyl linoleate 82-98 linoleate 9S-lipoxygenase-4 Glycine max 176-188 12033451-3 2002 In this study we investigated the oxidation of various substrates (linoleic acid, methyl linoleate, phosphatidylcholine, isolated LDL, and human plasma) by the arachidonate 15-lipoxygenases from rabbit reticulocytes and soybeans aiming at elucidating the effects of substrate, lipoxygenase and reaction milieu on the contribution and mechanism of random oxidation and also the effect of antioxidant. Phosphatidylcholines 100-119 linoleate 9S-lipoxygenase-4 Glycine max 176-188 12033451-6 2002 When phosphatidylcholine liposomes and LDL were oxygenated by soybean lipoxygenase, the product pattern was found to be exclusively regio-, stereo-, and enantio-random. Phosphatidylcholines 5-24 linoleate 9S-lipoxygenase-4 Glycine max 70-82 12033451-7 2002 When free linoleic acid was incorporated into PC liposomes and oxidized by soybean lipoxygenase, the free acid was specifically oxygenated, whereas esterified linoleate gave random oxidation products exclusively. Linoleic Acid 10-23 linoleate 9S-lipoxygenase-4 Glycine max 83-95 12033451-7 2002 When free linoleic acid was incorporated into PC liposomes and oxidized by soybean lipoxygenase, the free acid was specifically oxygenated, whereas esterified linoleate gave random oxidation products exclusively. streptolydigin 101-110 linoleate 9S-lipoxygenase-4 Glycine max 83-95 11807975-1 2002 In this study, it was shown that abietic acid, an abietane diterpenoid, inhibited soybean 5-lipoxygenase (linoleate: oxygen oxidoreductase, EC 1.13.11.12) and an IC(50) of 29.5 +/- 1.29 microM was determined. abietic acid 33-45 linoleate 9S-lipoxygenase-4 Glycine max 92-104 11807975-1 2002 In this study, it was shown that abietic acid, an abietane diterpenoid, inhibited soybean 5-lipoxygenase (linoleate: oxygen oxidoreductase, EC 1.13.11.12) and an IC(50) of 29.5 +/- 1.29 microM was determined. Abietanes 50-58 linoleate 9S-lipoxygenase-4 Glycine max 92-104 11807975-1 2002 In this study, it was shown that abietic acid, an abietane diterpenoid, inhibited soybean 5-lipoxygenase (linoleate: oxygen oxidoreductase, EC 1.13.11.12) and an IC(50) of 29.5 +/- 1.29 microM was determined. Diterpenes 59-70 linoleate 9S-lipoxygenase-4 Glycine max 92-104 11807975-2 2002 Since the lipoxygenase pathway leads to the biosynthesis of leukotrienes this result supports the view that abietic acid may be used in the treatment of allergic reactions. Leukotrienes 60-72 linoleate 9S-lipoxygenase-4 Glycine max 10-22 11807975-2 2002 Since the lipoxygenase pathway leads to the biosynthesis of leukotrienes this result supports the view that abietic acid may be used in the treatment of allergic reactions. abietic acid 108-120 linoleate 9S-lipoxygenase-4 Glycine max 10-22 11566371-3 2001 Because of the structural similarities between both compounds it was assumed for the amidrazones to affect the lipoxygenase reaction in the same suicide manner. amidrazones 85-96 linoleate 9S-lipoxygenase-4 Glycine max 111-123 11602611-0 2001 Structure-function investigation of the interaction of 1- and 2-substituted 3-hydroxypyridin-4-ones with 5-lipoxygenase and ribonucleotide reductase. 1- and 2-substituted 3-hydroxypyridin-4-ones 55-99 linoleate 9S-lipoxygenase-4 Glycine max 107-119 11602611-1 2001 The structural and physiochemical properties of 3-hydroxypyridin-4-one chelators (HPOs) which influence inhibition of the iron-containing metalloenzymes ribonucleotide reductase (RR) and 5-lipoxygenase (5-LO) have been investigated. 3-hydroxypyridin-4-one 48-70 linoleate 9S-lipoxygenase-4 Glycine max 189-201 11602611-1 2001 The structural and physiochemical properties of 3-hydroxypyridin-4-one chelators (HPOs) which influence inhibition of the iron-containing metalloenzymes ribonucleotide reductase (RR) and 5-lipoxygenase (5-LO) have been investigated. Iron 122-126 linoleate 9S-lipoxygenase-4 Glycine max 189-201 11602611-5 2001 5-LO inhibition was examined spectrophotometrically, measuring the rate of linoleic hydroperoxide formation by soybean lipoxygenase. linoleic hydroperoxide 75-97 linoleate 9S-lipoxygenase-4 Glycine max 119-131 11767313-2 2001 Phosphatidylcholine hydroperoxides and cholesteryl linoleate hydroperoxides ranging from 0.1 to 0.5 nmol, which were prepared by reaction with soybean lipoxygenase, were visualized as fluorescent spots on the blotted membrane by immersing the plate into a blotting solvent containing 0.01% (w/v) diphenyl-1-pyrenylphosphine. phosphatidylcholine hydroperoxide 0-34 linoleate 9S-lipoxygenase-4 Glycine max 151-163 11767313-2 2001 Phosphatidylcholine hydroperoxides and cholesteryl linoleate hydroperoxides ranging from 0.1 to 0.5 nmol, which were prepared by reaction with soybean lipoxygenase, were visualized as fluorescent spots on the blotted membrane by immersing the plate into a blotting solvent containing 0.01% (w/v) diphenyl-1-pyrenylphosphine. cholesteryl linoleate hydroperoxides 39-75 linoleate 9S-lipoxygenase-4 Glycine max 151-163 11767313-2 2001 Phosphatidylcholine hydroperoxides and cholesteryl linoleate hydroperoxides ranging from 0.1 to 0.5 nmol, which were prepared by reaction with soybean lipoxygenase, were visualized as fluorescent spots on the blotted membrane by immersing the plate into a blotting solvent containing 0.01% (w/v) diphenyl-1-pyrenylphosphine. diphenyl-1-pyrenylphosphine 296-323 linoleate 9S-lipoxygenase-4 Glycine max 151-163 11412104-3 2001 This study utilizes a combination of kinetic and structural probes to relate the lipoxygenase mechanism of action with structural modifications of the iron"s second coordination sphere. Iron 151-155 linoleate 9S-lipoxygenase-4 Glycine max 81-93 11592738-1 2001 Lipoxygenase (LOX) is an enzyme that oxygenates polyunsaturated fatty acids to their corresponding hydroperoxy derivatives. Fatty Acids, Unsaturated 48-75 linoleate 9S-lipoxygenase-4 Glycine max 0-12 11592738-1 2001 Lipoxygenase (LOX) is an enzyme that oxygenates polyunsaturated fatty acids to their corresponding hydroperoxy derivatives. Fatty Acids, Unsaturated 48-75 linoleate 9S-lipoxygenase-4 Glycine max 14-17 11592738-2 2001 For example, LOX found in plants produce the corresponding 13- and 9-hydroperoxide derivatives of linoleic acid (13-HPOD and 9-HPOD). 13- and 9-hydroperoxide 59-82 linoleate 9S-lipoxygenase-4 Glycine max 13-16 11592738-2 2001 For example, LOX found in plants produce the corresponding 13- and 9-hydroperoxide derivatives of linoleic acid (13-HPOD and 9-HPOD). Linoleic Acid 98-111 linoleate 9S-lipoxygenase-4 Glycine max 13-16 11592738-2 2001 For example, LOX found in plants produce the corresponding 13- and 9-hydroperoxide derivatives of linoleic acid (13-HPOD and 9-HPOD). 13-hydroperoxy-9,11-octadecadienoic acid 113-120 linoleate 9S-lipoxygenase-4 Glycine max 13-16 11592738-2 2001 For example, LOX found in plants produce the corresponding 13- and 9-hydroperoxide derivatives of linoleic acid (13-HPOD and 9-HPOD). 9-hydroperoxy-10,12-octadecadienoic acid 125-131 linoleate 9S-lipoxygenase-4 Glycine max 13-16 11592738-4 2001 Here we report a high-performance liquid chromatographic method in combination with electron impact (EI)-MS detection that separates and characterizes the HPOD isomers generated by soybean LOX type I oxygenation of linoleic (LA) and linolenic acids as well as HPOD products produced by photosensitized oxidation of LA. Linoleic Acid 215-223 linoleate 9S-lipoxygenase-4 Glycine max 189-192 11592738-4 2001 Here we report a high-performance liquid chromatographic method in combination with electron impact (EI)-MS detection that separates and characterizes the HPOD isomers generated by soybean LOX type I oxygenation of linoleic (LA) and linolenic acids as well as HPOD products produced by photosensitized oxidation of LA. Linolenic Acids 233-248 linoleate 9S-lipoxygenase-4 Glycine max 189-192 11592738-8 2001 Moreover, the 9-LOX isozyme under anaerobic conditions cleaves 13-HPOD to 13-oxo-tridecadienoic acid and pentane but does not cleave 9-HPOD. 13-hydroperoxy-9,11-octadecadienoic acid 63-70 linoleate 9S-lipoxygenase-4 Glycine max 16-19 11592738-8 2001 Moreover, the 9-LOX isozyme under anaerobic conditions cleaves 13-HPOD to 13-oxo-tridecadienoic acid and pentane but does not cleave 9-HPOD. 13-oxotrideca-9,11-dienoic acid 74-100 linoleate 9S-lipoxygenase-4 Glycine max 16-19 11592738-8 2001 Moreover, the 9-LOX isozyme under anaerobic conditions cleaves 13-HPOD to 13-oxo-tridecadienoic acid and pentane but does not cleave 9-HPOD. pentane 105-112 linoleate 9S-lipoxygenase-4 Glycine max 16-19 11456594-0 2001 Soybean lipoxygenase-mediated oxygenation of monounsaturated fatty acids to enones. Fatty Acids, Monounsaturated 45-72 linoleate 9S-lipoxygenase-4 Glycine max 8-20 11550050-1 2001 Free radical oxidation of arachidonic acid with soybean lipoxygenase was accompanied by inhibition of retinal synthesis from beta-carotene catalyzed by enzyme preparation from rabbit intestinal mucosa. Arachidonic Acid 26-42 linoleate 9S-lipoxygenase-4 Glycine max 56-68 11550050-1 2001 Free radical oxidation of arachidonic acid with soybean lipoxygenase was accompanied by inhibition of retinal synthesis from beta-carotene catalyzed by enzyme preparation from rabbit intestinal mucosa. beta Carotene 125-138 linoleate 9S-lipoxygenase-4 Glycine max 56-68 11361131-0 2001 Activity of soybean lipoxygenase isoforms against esterified fatty acids indicates functional specificity. Fatty Acids 50-72 linoleate 9S-lipoxygenase-4 Glycine max 20-32 11361131-4 2001 The recombinant lipoxygenases were then characterized as to substrate preference, pH profiles for the most common plant lipoxygenase substrates, linoleic acid, and alpha-linolenic acid, and the reaction products with the substrates linoleic acid, alpha-linolenic acid, arachidonic acid, gamma-linolenic acid, and the triacylglycerol trilinolein. Linoleic Acid 145-158 linoleate 9S-lipoxygenase-4 Glycine max 16-28 11361131-4 2001 The recombinant lipoxygenases were then characterized as to substrate preference, pH profiles for the most common plant lipoxygenase substrates, linoleic acid, and alpha-linolenic acid, and the reaction products with the substrates linoleic acid, alpha-linolenic acid, arachidonic acid, gamma-linolenic acid, and the triacylglycerol trilinolein. alpha-Linolenic Acid 164-184 linoleate 9S-lipoxygenase-4 Glycine max 16-28 11361131-4 2001 The recombinant lipoxygenases were then characterized as to substrate preference, pH profiles for the most common plant lipoxygenase substrates, linoleic acid, and alpha-linolenic acid, and the reaction products with the substrates linoleic acid, alpha-linolenic acid, arachidonic acid, gamma-linolenic acid, and the triacylglycerol trilinolein. Linoleic Acid 232-245 linoleate 9S-lipoxygenase-4 Glycine max 16-28 11361131-7 2001 Lipid analysis of leaves from plants subjected to sink limitation conditions indicates that the soybean leaf lipoxygenases are active in vivo against both free fatty acids and esterified lipids, and that the quantities of lipoxygenase products found in leaf tissue show a positive correlation with the level of lipoxygenase in the leaf. Fatty Acids, Nonesterified 155-171 linoleate 9S-lipoxygenase-4 Glycine max 109-121 11456594-0 2001 Soybean lipoxygenase-mediated oxygenation of monounsaturated fatty acids to enones. enones 76-82 linoleate 9S-lipoxygenase-4 Glycine max 8-20 11029517-0 2000 Curcumin inhibits lipoxygenase by binding to its central cavity: theoretical and X-ray evidence. Curcumin 0-8 linoleate 9S-lipoxygenase-4 Glycine max 18-30 11163536-5 2001 The slow-flow technique allowed us to obtain well-resolved ESR spectra of PUFA-derived radical adducts in a mixture of soybean lipoxygenase, PUFA, and the spin trap 5,5-dimethyl-1-pyrroline N-oxide (DMPO). Fatty Acids, Unsaturated 74-78 linoleate 9S-lipoxygenase-4 Glycine max 127-139 11163536-5 2001 The slow-flow technique allowed us to obtain well-resolved ESR spectra of PUFA-derived radical adducts in a mixture of soybean lipoxygenase, PUFA, and the spin trap 5,5-dimethyl-1-pyrroline N-oxide (DMPO). 5,5-dimethyl-1-pyrroline-1-oxide 199-203 linoleate 9S-lipoxygenase-4 Glycine max 127-139 30759919-7 2001 The partial amino acid sequences from the purified NAA-induced pI-5.09 LOX are identical to those of LOX4. 1-naphthaleneacetic acid 51-54 linoleate 9S-lipoxygenase-4 Glycine max 101-105 30759919-8 2001 RNA protection assays showed that NAA induces the expression of LOX4 and LOX5 mRNAs in cultured embryo cotyledons where they are not normally expressed. 1-naphthaleneacetic acid 34-37 linoleate 9S-lipoxygenase-4 Glycine max 64-68 30759919-9 2001 Soybean genotypes with a polymorphic variant of LOX4 in hypocotyls showed the same variation as NAA-induced LOXs in the embryo cotyledons. 1-naphthaleneacetic acid 96-99 linoleate 9S-lipoxygenase-4 Glycine max 48-52 30759919-10 2001 These results demonstrate that the NAA-induced pI-5.09 LOX is seedling LOX4 and also suggest that auxin might be directly or indirectly involved in seedling LOX expression during seed germination. 1-naphthaleneacetic acid 35-38 linoleate 9S-lipoxygenase-4 Glycine max 71-75 11029517-1 2000 Many lipoxygenase inhibitors including curcumin are currently being studied for their anti-carcinogenic properties. Curcumin 39-47 linoleate 9S-lipoxygenase-4 Glycine max 5-17 11029517-3 2000 Recently it was shown that the soybean lipoxygenase L1 catalyzed the oxygenation of curcumin and that curcumin can act as a lipoxygenase substrate. Curcumin 84-92 linoleate 9S-lipoxygenase-4 Glycine max 39-51 11029517-3 2000 Recently it was shown that the soybean lipoxygenase L1 catalyzed the oxygenation of curcumin and that curcumin can act as a lipoxygenase substrate. Curcumin 102-110 linoleate 9S-lipoxygenase-4 Glycine max 39-51 11029517-6 2000 Understanding how curcumin inhibits lipoxygenase may help in the development of novel anti-cancer drugs used for treatment where lipoxygenases are involved. Curcumin 18-26 linoleate 9S-lipoxygenase-4 Glycine max 36-48 10769137-2 2000 Steady-state kinetic data indicate that oleic acid (OA) is a simple competitive inhibitor for soybean lipoxygenase; however, kinetic isotope effect (KIE) data suggest a more complicated inhibitory mechanism. Oleic Acid 40-50 linoleate 9S-lipoxygenase-4 Glycine max 102-114 11007531-1 2000 Oxidized metabolites of polyunsaturated fatty acids produced by lipoxygenase are among the endogenous regulators of Na+/K+-ATPase. Fatty Acids, Unsaturated 24-51 linoleate 9S-lipoxygenase-4 Glycine max 64-76 11007531-6 2000 The presence of lipoxygenase enhanced the inhibition of Na+/K+-ATPase activity caused by 20 ng/mL ouabain (31+/-2 vs. 19+/-2) but had little or no effect with higher concentrations of ouabain. Ouabain 98-105 linoleate 9S-lipoxygenase-4 Glycine max 16-28 11007531-6 2000 The presence of lipoxygenase enhanced the inhibition of Na+/K+-ATPase activity caused by 20 ng/mL ouabain (31+/-2 vs. 19+/-2) but had little or no effect with higher concentrations of ouabain. Ouabain 184-191 linoleate 9S-lipoxygenase-4 Glycine max 16-28 10785362-5 2000 The results obtained showed that soybean lipoxygenase in the presence of hydrogen peroxide can oxidize homovanillic acid with the formation, by an o,o"-biphenyl linkage, of the corresponding dimer as the sole reaction product. Hydrogen Peroxide 73-90 linoleate 9S-lipoxygenase-4 Glycine max 41-53 10785362-5 2000 The results obtained showed that soybean lipoxygenase in the presence of hydrogen peroxide can oxidize homovanillic acid with the formation, by an o,o"-biphenyl linkage, of the corresponding dimer as the sole reaction product. Homovanillic Acid 103-120 linoleate 9S-lipoxygenase-4 Glycine max 41-53 10769137-3 2000 To investigate the inhibitory effects of fatty acids on lipoxygenase more thoroughly, we have synthesized a novel inhibitor to lipoxygenase, (Z)-9-octadecenyl sulfate (oleyl sulfate, OS), which imparts kinetic properties that are inconsistent with simple competitive inhibition for both SLO-1 and 15-HLO. Fatty Acids 41-52 linoleate 9S-lipoxygenase-4 Glycine max 127-139 10769137-3 2000 To investigate the inhibitory effects of fatty acids on lipoxygenase more thoroughly, we have synthesized a novel inhibitor to lipoxygenase, (Z)-9-octadecenyl sulfate (oleyl sulfate, OS), which imparts kinetic properties that are inconsistent with simple competitive inhibition for both SLO-1 and 15-HLO. (z)-9-octadecenyl sulfate 141-166 linoleate 9S-lipoxygenase-4 Glycine max 56-68 10769137-3 2000 To investigate the inhibitory effects of fatty acids on lipoxygenase more thoroughly, we have synthesized a novel inhibitor to lipoxygenase, (Z)-9-octadecenyl sulfate (oleyl sulfate, OS), which imparts kinetic properties that are inconsistent with simple competitive inhibition for both SLO-1 and 15-HLO. (z)-9-octadecenyl sulfate 141-166 linoleate 9S-lipoxygenase-4 Glycine max 127-139 10769137-3 2000 To investigate the inhibitory effects of fatty acids on lipoxygenase more thoroughly, we have synthesized a novel inhibitor to lipoxygenase, (Z)-9-octadecenyl sulfate (oleyl sulfate, OS), which imparts kinetic properties that are inconsistent with simple competitive inhibition for both SLO-1 and 15-HLO. Oleyl sulfate 168-181 linoleate 9S-lipoxygenase-4 Glycine max 56-68 10769137-3 2000 To investigate the inhibitory effects of fatty acids on lipoxygenase more thoroughly, we have synthesized a novel inhibitor to lipoxygenase, (Z)-9-octadecenyl sulfate (oleyl sulfate, OS), which imparts kinetic properties that are inconsistent with simple competitive inhibition for both SLO-1 and 15-HLO. Oleyl sulfate 168-181 linoleate 9S-lipoxygenase-4 Glycine max 127-139 10769137-3 2000 To investigate the inhibitory effects of fatty acids on lipoxygenase more thoroughly, we have synthesized a novel inhibitor to lipoxygenase, (Z)-9-octadecenyl sulfate (oleyl sulfate, OS), which imparts kinetic properties that are inconsistent with simple competitive inhibition for both SLO-1 and 15-HLO. Osmium 183-185 linoleate 9S-lipoxygenase-4 Glycine max 56-68 10704209-1 2000 Previous work has demonstrated that the ferric form of soybean lipoxygenase-1 will catalyze an elimination reaction on 12-iodo-cis-9-octadecenoic acid (12-IODE) to produce 9, 11-octadecadienoic acid and iodide ion. Ferric enterobactin ion 40-46 linoleate 9S-lipoxygenase-4 Glycine max 63-75 10830513-5 2000 Compounds 1, 4 ((9Z, 12Z, 14E)-16-hydroxy-9,12,14-octadecatrienoic acid), 5 and 6 also showed inhibitory activity toward soybean lipoxygenase at a concentration of 10 microg/ml. 9z, 12z, 14e)-16-hydroxy-9,12,14-octadecatrienoic acid 17-71 linoleate 9S-lipoxygenase-4 Glycine max 129-141 10727939-0 2000 Formation of a new class of oxylipins from N-acyl(ethanol)amines by the lipoxygenase pathway. Oxylipins 28-37 linoleate 9S-lipoxygenase-4 Glycine max 72-84 10727939-0 2000 Formation of a new class of oxylipins from N-acyl(ethanol)amines by the lipoxygenase pathway. N-acylethanolamines 43-64 linoleate 9S-lipoxygenase-4 Glycine max 72-84 10727939-4 2000 We tested whether members of the NAE class can be converted by enzymes constituting this pathway, such as (soybean) lipoxygenase-1, (alfalfa) hydroperoxide lyase and (flax seed) allene oxide synthase. N-acylethanolamines 33-36 linoleate 9S-lipoxygenase-4 Glycine max 116-128 10727939-5 2000 We found that both alpha-N-linolenoylethanolamine and gamma-N-linolenoylethanolamine (18:3), as well as alpha-N-linolenoylamine and gamma-N-linolenoylamine were converted into their (13S)-hydroperoxide derivatives by lipoxygenase. alpha-n-linolenoylethanolamine 19-49 linoleate 9S-lipoxygenase-4 Glycine max 217-229 10727939-5 2000 We found that both alpha-N-linolenoylethanolamine and gamma-N-linolenoylethanolamine (18:3), as well as alpha-N-linolenoylamine and gamma-N-linolenoylamine were converted into their (13S)-hydroperoxide derivatives by lipoxygenase. gamma-n-linolenoylethanolamine 54-84 linoleate 9S-lipoxygenase-4 Glycine max 217-229 10727939-5 2000 We found that both alpha-N-linolenoylethanolamine and gamma-N-linolenoylethanolamine (18:3), as well as alpha-N-linolenoylamine and gamma-N-linolenoylamine were converted into their (13S)-hydroperoxide derivatives by lipoxygenase. alpha-n-linolenoylamine 104-127 linoleate 9S-lipoxygenase-4 Glycine max 217-229 10727939-5 2000 We found that both alpha-N-linolenoylethanolamine and gamma-N-linolenoylethanolamine (18:3), as well as alpha-N-linolenoylamine and gamma-N-linolenoylamine were converted into their (13S)-hydroperoxide derivatives by lipoxygenase. gamma-n-linolenoylamine 132-155 linoleate 9S-lipoxygenase-4 Glycine max 217-229 10727939-5 2000 We found that both alpha-N-linolenoylethanolamine and gamma-N-linolenoylethanolamine (18:3), as well as alpha-N-linolenoylamine and gamma-N-linolenoylamine were converted into their (13S)-hydroperoxide derivatives by lipoxygenase. (13s)-hydroperoxide 182-201 linoleate 9S-lipoxygenase-4 Glycine max 217-229 10727939-9 2000 Kinetic studies with lipoxygenase and hydroperoxide lyase revealed that the fatty acid ethanolamides were converted as readily or even better than the corresponding free fatty acids. Fatty Acids 76-86 linoleate 9S-lipoxygenase-4 Glycine max 21-33 10727939-9 2000 Kinetic studies with lipoxygenase and hydroperoxide lyase revealed that the fatty acid ethanolamides were converted as readily or even better than the corresponding free fatty acids. ethanolamides 87-100 linoleate 9S-lipoxygenase-4 Glycine max 21-33 10727939-9 2000 Kinetic studies with lipoxygenase and hydroperoxide lyase revealed that the fatty acid ethanolamides were converted as readily or even better than the corresponding free fatty acids. Fatty Acids, Nonesterified 165-181 linoleate 9S-lipoxygenase-4 Glycine max 21-33 10704209-1 2000 Previous work has demonstrated that the ferric form of soybean lipoxygenase-1 will catalyze an elimination reaction on 12-iodo-cis-9-octadecenoic acid (12-IODE) to produce 9, 11-octadecadienoic acid and iodide ion. 12-Iodo-9-octadecenoic acid 119-150 linoleate 9S-lipoxygenase-4 Glycine max 63-75 10704209-1 2000 Previous work has demonstrated that the ferric form of soybean lipoxygenase-1 will catalyze an elimination reaction on 12-iodo-cis-9-octadecenoic acid (12-IODE) to produce 9, 11-octadecadienoic acid and iodide ion. 12-Iodo-9-octadecenoic acid 152-159 linoleate 9S-lipoxygenase-4 Glycine max 63-75 10704209-1 2000 Previous work has demonstrated that the ferric form of soybean lipoxygenase-1 will catalyze an elimination reaction on 12-iodo-cis-9-octadecenoic acid (12-IODE) to produce 9, 11-octadecadienoic acid and iodide ion. 9,11-linoleic acid 172-198 linoleate 9S-lipoxygenase-4 Glycine max 63-75 10704209-1 2000 Previous work has demonstrated that the ferric form of soybean lipoxygenase-1 will catalyze an elimination reaction on 12-iodo-cis-9-octadecenoic acid (12-IODE) to produce 9, 11-octadecadienoic acid and iodide ion. Iodides 203-209 linoleate 9S-lipoxygenase-4 Glycine max 63-75 10704209-5 2000 ESR spectroscopy was used to demonstrate that 12-IODE can reduce ferric lipoxygenase to the ferrous form, and a large isotope effect on this process was observed with D(2)-12-IODE. 12-Iodo-9-octadecenoic acid 46-53 linoleate 9S-lipoxygenase-4 Glycine max 72-84 10704209-5 2000 ESR spectroscopy was used to demonstrate that 12-IODE can reduce ferric lipoxygenase to the ferrous form, and a large isotope effect on this process was observed with D(2)-12-IODE. d(2)-12-iode 167-179 linoleate 9S-lipoxygenase-4 Glycine max 72-84 10643870-0 2000 Lipoxygenase-mediated biotransformation of p-aminophenol in the presence of glutathione: possible conjugate formation. 4-aminophenol 43-56 linoleate 9S-lipoxygenase-4 Glycine max 0-12 10643870-0 2000 Lipoxygenase-mediated biotransformation of p-aminophenol in the presence of glutathione: possible conjugate formation. Glutathione 76-87 linoleate 9S-lipoxygenase-4 Glycine max 0-12 10643870-1 2000 This study tested a hypothesis that soybean lipoxygenase (SLO), a model enzyme, may be capable of generating a glutathione (GSH) conjugate(s) from p-aminophenol (PAP). Glutathione 111-122 linoleate 9S-lipoxygenase-4 Glycine max 44-56 10643870-1 2000 This study tested a hypothesis that soybean lipoxygenase (SLO), a model enzyme, may be capable of generating a glutathione (GSH) conjugate(s) from p-aminophenol (PAP). Glutathione 124-127 linoleate 9S-lipoxygenase-4 Glycine max 44-56 10643870-1 2000 This study tested a hypothesis that soybean lipoxygenase (SLO), a model enzyme, may be capable of generating a glutathione (GSH) conjugate(s) from p-aminophenol (PAP). 4-aminophenol 147-160 linoleate 9S-lipoxygenase-4 Glycine max 44-56 10643870-1 2000 This study tested a hypothesis that soybean lipoxygenase (SLO), a model enzyme, may be capable of generating a glutathione (GSH) conjugate(s) from p-aminophenol (PAP). 4-aminophenol 162-165 linoleate 9S-lipoxygenase-4 Glycine max 44-56 10643870-5 2000 Classical inhibitors of lipoxygenase and free radical scavengers markedly decreased the rate of GS-PAP formation in a concentration-dependent manner. gs-pap 96-102 linoleate 9S-lipoxygenase-4 Glycine max 24-36 10643870-7 2000 Collectively, the results suggest that lipoxygenase pathway may be involved in the enzymatic formation of GSH conjugate(s) from PAP. Glutathione 106-109 linoleate 9S-lipoxygenase-4 Glycine max 39-51 10874469-3 2000 Effects of 15-lipoxygenase on the hydrolysis of adenosine 5"-triphosphate were investigated in vitro using soybean lipoxygenase and adenosine 5"-[gamma-32P]triphosphate. Adenosine Triphosphate 48-73 linoleate 9S-lipoxygenase-4 Glycine max 14-26 10874469-7 2000 These findings suggest that soybean lipoxygenase catalyzes the release of inorganic phosphate from ATP primarily via hydrolysis. Phosphates 74-93 linoleate 9S-lipoxygenase-4 Glycine max 36-48 10874469-7 2000 These findings suggest that soybean lipoxygenase catalyzes the release of inorganic phosphate from ATP primarily via hydrolysis. Adenosine Triphosphate 99-102 linoleate 9S-lipoxygenase-4 Glycine max 36-48 10910470-2 2000 "Shuttle Oxidant" effect of lipoxygenase-generated radical of chlorpromazine and related phenothiazines on the oxidation of benzidine and other xenobiotics. Chlorpromazine 62-76 linoleate 9S-lipoxygenase-4 Glycine max 28-40 10910470-2 2000 "Shuttle Oxidant" effect of lipoxygenase-generated radical of chlorpromazine and related phenothiazines on the oxidation of benzidine and other xenobiotics. Phenothiazines 89-103 linoleate 9S-lipoxygenase-4 Glycine max 28-40 10910470-2 2000 "Shuttle Oxidant" effect of lipoxygenase-generated radical of chlorpromazine and related phenothiazines on the oxidation of benzidine and other xenobiotics. benzidine 124-133 linoleate 9S-lipoxygenase-4 Glycine max 28-40 10910470-5 2000 To evaluate the hypothesis, we investigated the metabolic interaction of two well-known substrates, chlorpromazine and benzidine, which have been shown to be oxidized by soybean lipoxygenase in the presence of hydrogen peroxide. Chlorpromazine 100-114 linoleate 9S-lipoxygenase-4 Glycine max 178-190 10910470-5 2000 To evaluate the hypothesis, we investigated the metabolic interaction of two well-known substrates, chlorpromazine and benzidine, which have been shown to be oxidized by soybean lipoxygenase in the presence of hydrogen peroxide. benzidine 119-128 linoleate 9S-lipoxygenase-4 Glycine max 178-190 10910470-5 2000 To evaluate the hypothesis, we investigated the metabolic interaction of two well-known substrates, chlorpromazine and benzidine, which have been shown to be oxidized by soybean lipoxygenase in the presence of hydrogen peroxide. Hydrogen Peroxide 210-227 linoleate 9S-lipoxygenase-4 Glycine max 178-190 10910470-6 2000 The evidence presented here clearly indicates that the chlorpromazine cation radical generated by the lipoxygenase triggers a rapid oxidation of benzidine to benzidine diimine. Chlorpromazine 55-84 linoleate 9S-lipoxygenase-4 Glycine max 102-114 10910470-6 2000 The evidence presented here clearly indicates that the chlorpromazine cation radical generated by the lipoxygenase triggers a rapid oxidation of benzidine to benzidine diimine. benzidine 145-154 linoleate 9S-lipoxygenase-4 Glycine max 102-114 10910470-6 2000 The evidence presented here clearly indicates that the chlorpromazine cation radical generated by the lipoxygenase triggers a rapid oxidation of benzidine to benzidine diimine. benzidine-4,4'-diimine 158-175 linoleate 9S-lipoxygenase-4 Glycine max 102-114 10910470-12 2000 Preliminary data suggest that purified human term placental lipoxygenase also displays a similar stimulatory response in the benzidine oxidation in the presence of chlorpromazine. benzidine 125-134 linoleate 9S-lipoxygenase-4 Glycine max 60-72 10910470-12 2000 Preliminary data suggest that purified human term placental lipoxygenase also displays a similar stimulatory response in the benzidine oxidation in the presence of chlorpromazine. Chlorpromazine 164-178 linoleate 9S-lipoxygenase-4 Glycine max 60-72 10552543-1 1999 Lipoxygenase activity in olive fruits increases considerably when the enzyme is extracted using extraction buffer with ethylenediaminetetraacetate, Triton X-100, dithiothreitol, sodium meta-bisulfite, and hydrated polyvinylpolypyrrolidone. Edetic Acid 119-146 linoleate 9S-lipoxygenase-4 Glycine max 0-12 10606550-1 1999 A number of products including apocarotenal, epoxycarotenal, apocarotenone, and epoxycarotenone generated by lipoxygenase (LOX) catalyzed co-oxidation of beta-carotene have been tentatively identified through the use of GC/MS and HPLC combined with photodiode array detection. apocarotenal 31-43 linoleate 9S-lipoxygenase-4 Glycine max 109-121 10606550-1 1999 A number of products including apocarotenal, epoxycarotenal, apocarotenone, and epoxycarotenone generated by lipoxygenase (LOX) catalyzed co-oxidation of beta-carotene have been tentatively identified through the use of GC/MS and HPLC combined with photodiode array detection. apocarotenal 31-43 linoleate 9S-lipoxygenase-4 Glycine max 123-126 10606550-1 1999 A number of products including apocarotenal, epoxycarotenal, apocarotenone, and epoxycarotenone generated by lipoxygenase (LOX) catalyzed co-oxidation of beta-carotene have been tentatively identified through the use of GC/MS and HPLC combined with photodiode array detection. epoxycarotenal 45-59 linoleate 9S-lipoxygenase-4 Glycine max 109-121 10606550-1 1999 A number of products including apocarotenal, epoxycarotenal, apocarotenone, and epoxycarotenone generated by lipoxygenase (LOX) catalyzed co-oxidation of beta-carotene have been tentatively identified through the use of GC/MS and HPLC combined with photodiode array detection. epoxycarotenal 45-59 linoleate 9S-lipoxygenase-4 Glycine max 123-126 10606550-1 1999 A number of products including apocarotenal, epoxycarotenal, apocarotenone, and epoxycarotenone generated by lipoxygenase (LOX) catalyzed co-oxidation of beta-carotene have been tentatively identified through the use of GC/MS and HPLC combined with photodiode array detection. apocarotenone 61-74 linoleate 9S-lipoxygenase-4 Glycine max 109-121 10606550-1 1999 A number of products including apocarotenal, epoxycarotenal, apocarotenone, and epoxycarotenone generated by lipoxygenase (LOX) catalyzed co-oxidation of beta-carotene have been tentatively identified through the use of GC/MS and HPLC combined with photodiode array detection. apocarotenone 61-74 linoleate 9S-lipoxygenase-4 Glycine max 123-126 10606550-1 1999 A number of products including apocarotenal, epoxycarotenal, apocarotenone, and epoxycarotenone generated by lipoxygenase (LOX) catalyzed co-oxidation of beta-carotene have been tentatively identified through the use of GC/MS and HPLC combined with photodiode array detection. epoxycarotenone 80-95 linoleate 9S-lipoxygenase-4 Glycine max 109-121 10606550-1 1999 A number of products including apocarotenal, epoxycarotenal, apocarotenone, and epoxycarotenone generated by lipoxygenase (LOX) catalyzed co-oxidation of beta-carotene have been tentatively identified through the use of GC/MS and HPLC combined with photodiode array detection. epoxycarotenone 80-95 linoleate 9S-lipoxygenase-4 Glycine max 123-126 10606550-1 1999 A number of products including apocarotenal, epoxycarotenal, apocarotenone, and epoxycarotenone generated by lipoxygenase (LOX) catalyzed co-oxidation of beta-carotene have been tentatively identified through the use of GC/MS and HPLC combined with photodiode array detection. beta Carotene 154-167 linoleate 9S-lipoxygenase-4 Glycine max 109-121 10606550-1 1999 A number of products including apocarotenal, epoxycarotenal, apocarotenone, and epoxycarotenone generated by lipoxygenase (LOX) catalyzed co-oxidation of beta-carotene have been tentatively identified through the use of GC/MS and HPLC combined with photodiode array detection. beta Carotene 154-167 linoleate 9S-lipoxygenase-4 Glycine max 123-126 10606550-2 1999 Because of the large number of high molecular weight products detected and their probable chemical structures, a co-oxidation mechanism is proposed that involves random attack along the alkene chain of the carotenoid by a LOX-generated linoleoylperoxyl radical. Alkenes 186-192 linoleate 9S-lipoxygenase-4 Glycine max 222-225 10606550-2 1999 Because of the large number of high molecular weight products detected and their probable chemical structures, a co-oxidation mechanism is proposed that involves random attack along the alkene chain of the carotenoid by a LOX-generated linoleoylperoxyl radical. Carotenoids 206-216 linoleate 9S-lipoxygenase-4 Glycine max 222-225 10606550-2 1999 Because of the large number of high molecular weight products detected and their probable chemical structures, a co-oxidation mechanism is proposed that involves random attack along the alkene chain of the carotenoid by a LOX-generated linoleoylperoxyl radical. linoleoylperoxyl radical 236-260 linoleate 9S-lipoxygenase-4 Glycine max 222-225 10606550-3 1999 It is suggested that a direct release from the enzyme of the radical, which initiates the co-oxidation of beta-carotene, is greater for pea LOX-3 than for pea LOX-2 or soybean LOX-1. beta Carotene 106-119 linoleate 9S-lipoxygenase-4 Glycine max 140-143 10737223-0 1999 Effects of ascorbic acid on peroxidation of human erythrocyte membranes by lipoxygenase. Ascorbic Acid 11-24 linoleate 9S-lipoxygenase-4 Glycine max 75-87 10737223-1 1999 The effects of ascorbic acid (AsA) on membrane phospholipids (PLs) and tocopherols (Tocs) of human erythrocyte during peroxidation by soybean lipoxygenase (LOX) were investigated. Ascorbic Acid 15-28 linoleate 9S-lipoxygenase-4 Glycine max 142-154 10737223-1 1999 The effects of ascorbic acid (AsA) on membrane phospholipids (PLs) and tocopherols (Tocs) of human erythrocyte during peroxidation by soybean lipoxygenase (LOX) were investigated. Ascorbic Acid 30-33 linoleate 9S-lipoxygenase-4 Glycine max 142-154 10737223-1 1999 The effects of ascorbic acid (AsA) on membrane phospholipids (PLs) and tocopherols (Tocs) of human erythrocyte during peroxidation by soybean lipoxygenase (LOX) were investigated. Tocopherols 71-82 linoleate 9S-lipoxygenase-4 Glycine max 142-154 10737223-5 1999 Control incubation without LOX and AsA was done for 45 min at 30 degrees C. After the incubation with LOX, alpha- and gamma-Tocs were exhausted, PLs decreased, and PL-OOHs and malondialdehyde (MDA) increased. Ascorbic Acid 35-38 linoleate 9S-lipoxygenase-4 Glycine max 102-105 10737223-7 1999 Subsequent incubation with AsA for 45 min after the incubation with LOX (after Tocs were exhausted) showed a 240% increase in MDA, but it decreased PLs by only about 15% of the preincubation values and recovered gamma-Toc to about 13% of the control. Ascorbic Acid 27-30 linoleate 9S-lipoxygenase-4 Glycine max 68-71 10737223-7 1999 Subsequent incubation with AsA for 45 min after the incubation with LOX (after Tocs were exhausted) showed a 240% increase in MDA, but it decreased PLs by only about 15% of the preincubation values and recovered gamma-Toc to about 13% of the control. gamma-Tocopherol 212-221 linoleate 9S-lipoxygenase-4 Glycine max 68-71 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). Peroxides 36-45 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). Gallic Acid 53-64 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). Hydrogen Peroxide 73-86 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). methylethyl hydroperoxide 114-139 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). OOH 145-148 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). tert-Butylhydroperoxide 165-189 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). tert-Butylhydroperoxide 191-201 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). Hydrogen Peroxide 217-234 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). Hydrogen 236-240 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). cumene hydroperoxide 260-280 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). cumene 260-266 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-3 1999 The reactivity of lipoxygenase with peroxides in the gallic acid solidus hydroperoxide system was in the order of methylethyl hydroperoxide (MEK-OOH, 4800 cps) > tert-butyl hydroperoxide (tert-BuOOH, 607 cps) > hydrogen peroxide (H(2)O(2), 455 cps) > cumene hydroperoxide (cumene-OOH, 261 cps). OOH 198-201 linoleate 9S-lipoxygenase-4 Glycine max 18-30 10602300-5 1999 The photon intensity from the gallic acid lipoxygenase system corresponded to the linoleic acid hydroperoxide value. linoleic acid hydroperoxide 82-109 linoleate 9S-lipoxygenase-4 Glycine max 42-54 16429610-0 1999 Exploring surfaces and cavities in lipoxygenase and other proteins by hyperpolarized xenon-129 NMR. Xenon 85-90 linoleate 9S-lipoxygenase-4 Glycine max 35-47 10558895-0 1999 The use of fluorescein 5"-isothiocyanate for studies of structural and molecular mechanisms of soybean lipoxygenase. Fluorescein-5-isothiocyanate 11-40 linoleate 9S-lipoxygenase-4 Glycine max 103-115 10558895-1 1999 Incubation of fluorescein 5"-isothiocyanate (FITC) with soybean lipoxygenase produces the coupling of 1 mol of fluorophore to 1 mol of enzyme. Fluorescein-5-isothiocyanate 14-43 linoleate 9S-lipoxygenase-4 Glycine max 64-76 10558895-1 1999 Incubation of fluorescein 5"-isothiocyanate (FITC) with soybean lipoxygenase produces the coupling of 1 mol of fluorophore to 1 mol of enzyme. Fluorescein-5-isothiocyanate 45-49 linoleate 9S-lipoxygenase-4 Glycine max 64-76 10558895-3 1999 The quenching by IK of the fluorescence of FITC-labeled lipoxygenase shows that the fluorophore is located near the surface of the protein. Fluorescein-5-isothiocyanate 43-47 linoleate 9S-lipoxygenase-4 Glycine max 56-68 10558895-6 1999 The results obtained strongly suggest that FITC labels soybean lipoxygenase specifically at a lysyl residue which contributes to fixation of the carboxylic end of the substrate to the active center. Fluorescein-5-isothiocyanate 43-47 linoleate 9S-lipoxygenase-4 Glycine max 63-75 10432202-3 1999 Flavonoids extracted from pcpso showed 31-44% inhibition of sheep cyclooxygenase and 69-81% inhibition of soybean lipoxygenase. Flavonoids 0-10 linoleate 9S-lipoxygenase-4 Glycine max 114-126 10432202-4 1999 Flavonoids extracted from pfj showed 21-30% inhibition of soybean lipoxygenase though no significant inhibition of sheep cyclooxygenase. Flavonoids 0-10 linoleate 9S-lipoxygenase-4 Glycine max 66-78 10552543-1 1999 Lipoxygenase activity in olive fruits increases considerably when the enzyme is extracted using extraction buffer with ethylenediaminetetraacetate, Triton X-100, dithiothreitol, sodium meta-bisulfite, and hydrated polyvinylpolypyrrolidone. Octoxynol 148-160 linoleate 9S-lipoxygenase-4 Glycine max 0-12 10552543-1 1999 Lipoxygenase activity in olive fruits increases considerably when the enzyme is extracted using extraction buffer with ethylenediaminetetraacetate, Triton X-100, dithiothreitol, sodium meta-bisulfite, and hydrated polyvinylpolypyrrolidone. Dithiothreitol 162-176 linoleate 9S-lipoxygenase-4 Glycine max 0-12 10432202-4 1999 Flavonoids extracted from pfj showed 21-30% inhibition of soybean lipoxygenase though no significant inhibition of sheep cyclooxygenase. PQ-10 26-29 linoleate 9S-lipoxygenase-4 Glycine max 66-78 10552543-1 1999 Lipoxygenase activity in olive fruits increases considerably when the enzyme is extracted using extraction buffer with ethylenediaminetetraacetate, Triton X-100, dithiothreitol, sodium meta-bisulfite, and hydrated polyvinylpolypyrrolidone. sodium metabisulfite 178-199 linoleate 9S-lipoxygenase-4 Glycine max 0-12 10552543-1 1999 Lipoxygenase activity in olive fruits increases considerably when the enzyme is extracted using extraction buffer with ethylenediaminetetraacetate, Triton X-100, dithiothreitol, sodium meta-bisulfite, and hydrated polyvinylpolypyrrolidone. polyvinylpolypyrrolidone 214-238 linoleate 9S-lipoxygenase-4 Glycine max 0-12 10552543-3 1999 Moreover, when the oxidizing level of the medium is increased by the addition of linoleic acid or soybean lipoxygenase with linoleic acid, the crude enzymatic extracts of olives reduce the destructive capacity of soybean lipoxygenase on chlorophylls to one-sixth. Linoleic Acid 81-94 linoleate 9S-lipoxygenase-4 Glycine max 221-233 10552543-3 1999 Moreover, when the oxidizing level of the medium is increased by the addition of linoleic acid or soybean lipoxygenase with linoleic acid, the crude enzymatic extracts of olives reduce the destructive capacity of soybean lipoxygenase on chlorophylls to one-sixth. Linoleic Acid 124-137 linoleate 9S-lipoxygenase-4 Glycine max 106-118 10552543-3 1999 Moreover, when the oxidizing level of the medium is increased by the addition of linoleic acid or soybean lipoxygenase with linoleic acid, the crude enzymatic extracts of olives reduce the destructive capacity of soybean lipoxygenase on chlorophylls to one-sixth. Linoleic Acid 124-137 linoleate 9S-lipoxygenase-4 Glycine max 221-233 10552543-3 1999 Moreover, when the oxidizing level of the medium is increased by the addition of linoleic acid or soybean lipoxygenase with linoleic acid, the crude enzymatic extracts of olives reduce the destructive capacity of soybean lipoxygenase on chlorophylls to one-sixth. Chlorophyll 237-249 linoleate 9S-lipoxygenase-4 Glycine max 106-118 10552543-4 1999 These results suggest a double pigment protection against lipoxygenase in the olive crude extract, one inhibiting the enzyme and the other interrupting the chain of oxidative reactions beginning with hydroperoxide formation. Hydrogen Peroxide 200-213 linoleate 9S-lipoxygenase-4 Glycine max 58-70 10379845-0 1999 N-demethylation of phenothiazines by lipoxygenase from soybean and human term placenta in the presence of hydrogen peroxide. Phenothiazines 19-33 linoleate 9S-lipoxygenase-4 Glycine max 37-49 10794652-1 1999 Soybean lipoxygenase (LOX) inactivation [0.4 mg/mL in Tris-HCl buffer (0.01 M, pH 9)] was studied quantitatively under constant pressure (up to 650 MPa) and temperature (-15 to 68 degrees C) conditions and kinetically characterized by rate constants, activation energies, and activation volumes. Tris hydrochloride 54-62 linoleate 9S-lipoxygenase-4 Glycine max 22-25 10418336-0 1999 A new phenolic fatty acid ester with lipoxygenase inhibitory activity from Jacaranda filicifolia. phenolic fatty acid ester 6-31 linoleate 9S-lipoxygenase-4 Glycine max 37-49 9922163-0 1998 Structural and thermochemical characterization of lipoxygenase-catechol complexes. catechol 63-71 linoleate 9S-lipoxygenase-4 Glycine max 50-62 9922163-1 1998 A complex between native, iron(II) soybean lipoxygenase 3 and 4-nitrocatechol, a known inhibitor of the enzyme, has been detected by isothermal titration calorimetry and characterized by X-ray crystallography. Ferrosoferric Oxide 26-33 linoleate 9S-lipoxygenase-4 Glycine max 43-55 9922163-1 1998 A complex between native, iron(II) soybean lipoxygenase 3 and 4-nitrocatechol, a known inhibitor of the enzyme, has been detected by isothermal titration calorimetry and characterized by X-ray crystallography. 4-nitrocatechol 62-77 linoleate 9S-lipoxygenase-4 Glycine max 43-55 9922163-6 1998 These observations reveal specific details of the interaction between lipoxygenase and a small molecule and raise the possibility that changes in the ligand environment of the iron atom could be a feature of the product activation reaction or the catalytic mechanism. Iron 160-164 linoleate 9S-lipoxygenase-4 Glycine max 70-82 9990451-0 1999 New minimal substrate structural requirements in the enzymatic peroxidation of alkenes with soybean lipoxygenase. Alkenes 79-86 linoleate 9S-lipoxygenase-4 Glycine max 100-112 10379845-0 1999 N-demethylation of phenothiazines by lipoxygenase from soybean and human term placenta in the presence of hydrogen peroxide. Hydrogen Peroxide 106-123 linoleate 9S-lipoxygenase-4 Glycine max 37-49 10379845-3 1999 In this study, we investigated hydrogen peroxide-dependent oxidation of six phenothiazines by purified lipoxygenase from soybean (SLO) and human term placenta (HTPLO). Hydrogen Peroxide 31-48 linoleate 9S-lipoxygenase-4 Glycine max 103-115 10379845-3 1999 In this study, we investigated hydrogen peroxide-dependent oxidation of six phenothiazines by purified lipoxygenase from soybean (SLO) and human term placenta (HTPLO). Phenothiazines 76-90 linoleate 9S-lipoxygenase-4 Glycine max 103-115 10379845-15 1999 The evidence gathered in this in vitro study suggests that phenothiazines can undergo peroxidative N-demethylation via lipoxygenase pathway. Phenothiazines 59-73 linoleate 9S-lipoxygenase-4 Glycine max 119-131 9693089-0 1998 Characterization of soybean lipoxygenase immobilized in cross-linked phyllosilicates. phyllosilicates 69-84 linoleate 9S-lipoxygenase-4 Glycine max 28-40 9784195-1 1998 A new high-performance liquid chromatography (HPLC) for separation of phospholipid classes with ultraviolet (UV) detection at 210 nm was applied to study of peroxidation of the human erythrocyte membranes induced by soybean lipoxygenase. Phospholipids 70-82 linoleate 9S-lipoxygenase-4 Glycine max 224-236 9784195-4 1998 All phospholipid classes except sphingomyelin were significantly decreased by lipoxygenase. Phospholipids 4-16 linoleate 9S-lipoxygenase-4 Glycine max 78-90 9784195-4 1998 All phospholipid classes except sphingomyelin were significantly decreased by lipoxygenase. Sphingomyelins 32-45 linoleate 9S-lipoxygenase-4 Glycine max 78-90 9784195-6 1998 Polyunsaturated fatty acids of each phospholipid were preferentially decreased with lipoxygenase, and degrees of the changes of the phospholipid classes corresponded to the amount of polyunsaturated fatty acids of each phospholipid. Fatty Acids, Unsaturated 0-27 linoleate 9S-lipoxygenase-4 Glycine max 84-96 9784195-6 1998 Polyunsaturated fatty acids of each phospholipid were preferentially decreased with lipoxygenase, and degrees of the changes of the phospholipid classes corresponded to the amount of polyunsaturated fatty acids of each phospholipid. Phospholipids 36-48 linoleate 9S-lipoxygenase-4 Glycine max 84-96 9830005-3 1998 E-ring dinor isoprostane formation from linolenate was found to be catalyzed by soybean lipoxygenase. e-ring dinor isoprostane 0-24 linoleate 9S-lipoxygenase-4 Glycine max 88-100 9830005-3 1998 E-ring dinor isoprostane formation from linolenate was found to be catalyzed by soybean lipoxygenase. alpha-Linolenic Acid 40-50 linoleate 9S-lipoxygenase-4 Glycine max 88-100 9693089-1 1998 Lipoxygenase (LOX) is an enzyme that regioselectively introduces the hydroperoxide functionality into polyunsaturated fatty acids, such as linoleic acid (LA). Hydrogen Peroxide 69-82 linoleate 9S-lipoxygenase-4 Glycine max 0-12 9693089-1 1998 Lipoxygenase (LOX) is an enzyme that regioselectively introduces the hydroperoxide functionality into polyunsaturated fatty acids, such as linoleic acid (LA). Hydrogen Peroxide 69-82 linoleate 9S-lipoxygenase-4 Glycine max 14-17 9693089-1 1998 Lipoxygenase (LOX) is an enzyme that regioselectively introduces the hydroperoxide functionality into polyunsaturated fatty acids, such as linoleic acid (LA). Fatty Acids, Unsaturated 102-129 linoleate 9S-lipoxygenase-4 Glycine max 0-12 9693089-1 1998 Lipoxygenase (LOX) is an enzyme that regioselectively introduces the hydroperoxide functionality into polyunsaturated fatty acids, such as linoleic acid (LA). Fatty Acids, Unsaturated 102-129 linoleate 9S-lipoxygenase-4 Glycine max 14-17 9693089-1 1998 Lipoxygenase (LOX) is an enzyme that regioselectively introduces the hydroperoxide functionality into polyunsaturated fatty acids, such as linoleic acid (LA). Linoleic Acid 139-152 linoleate 9S-lipoxygenase-4 Glycine max 0-12 9693089-1 1998 Lipoxygenase (LOX) is an enzyme that regioselectively introduces the hydroperoxide functionality into polyunsaturated fatty acids, such as linoleic acid (LA). Linoleic Acid 139-152 linoleate 9S-lipoxygenase-4 Glycine max 14-17 9693089-3 1998 In this study, LOX was immobilized in dispersed phyllosilicate layers that were cross-linked with silicate polymers formed by the hydrolysis of tetramethyl orthosilicates. phyllosilicate 48-62 linoleate 9S-lipoxygenase-4 Glycine max 15-18 9693089-3 1998 In this study, LOX was immobilized in dispersed phyllosilicate layers that were cross-linked with silicate polymers formed by the hydrolysis of tetramethyl orthosilicates. Silicates 54-62 linoleate 9S-lipoxygenase-4 Glycine max 15-18 9693089-3 1998 In this study, LOX was immobilized in dispersed phyllosilicate layers that were cross-linked with silicate polymers formed by the hydrolysis of tetramethyl orthosilicates. tetramethyl orthosilicate 144-170 linoleate 9S-lipoxygenase-4 Glycine max 15-18 9693089-8 1998 In general, LOX immobilized in cross-linked phyllosilicates retained the physical and chemical characteristics of free LOX. phyllosilicates 44-59 linoleate 9S-lipoxygenase-4 Glycine max 12-15 9693089-8 1998 In general, LOX immobilized in cross-linked phyllosilicates retained the physical and chemical characteristics of free LOX. phyllosilicates 44-59 linoleate 9S-lipoxygenase-4 Glycine max 119-122 9643019-5 1998 METHODS: (1) Lipid peroxides were formed by incubation of linoleic acid with lipoxygenase from soybean, separated by thin layer chromatography and incubated with tetramethylbenzidine. Lipid Peroxides 13-28 linoleate 9S-lipoxygenase-4 Glycine max 77-89 9727603-0 1998 9-Hydroxy-traumatin, a new metabolite of the lipoxygenase pathway. 9-hydroxy-12-oxo-10(E)-dodecenoic acid 0-19 linoleate 9S-lipoxygenase-4 Glycine max 45-57 9689502-0 1998 Thiazolyl and benzothiazolyl Schiff bases as novel possible lipoxygenase inhibitors and anti inflammatory agents. thiazolyl and benzothiazolyl schiff bases 0-41 linoleate 9S-lipoxygenase-4 Glycine max 60-72 9689502-2 1998 Several thiazolyl derivatives are reported to act as lipoxygenase inhibitors affecting inflammation and/or psoriasis. thiazolyl 8-17 linoleate 9S-lipoxygenase-4 Glycine max 53-65 9643019-11 1998 (2) In the isolated retinae of pigs lipid peroxides became visible as electron-dense structures in the rod outer segments (ROS) after treatment with lipoxygenase and were lacking in the other parts of the retina. Lipid Peroxides 36-51 linoleate 9S-lipoxygenase-4 Glycine max 149-161 9643019-12 1998 Without treatment with lipoxygenase lipid peroxides were only infrequently seen in ROS. Lipid Peroxides 36-51 linoleate 9S-lipoxygenase-4 Glycine max 23-35 9643019-5 1998 METHODS: (1) Lipid peroxides were formed by incubation of linoleic acid with lipoxygenase from soybean, separated by thin layer chromatography and incubated with tetramethylbenzidine. Linoleic Acid 58-71 linoleate 9S-lipoxygenase-4 Glycine max 77-89 9643019-6 1998 (2) Lipid peroxides were formed by incubation of porcine retinae with soybean lipoxygenase in an oxygensaturated atmosphere. Lipid Peroxides 4-19 linoleate 9S-lipoxygenase-4 Glycine max 78-90 18574729-0 1998 Effectiveness of cross-linked phyllosilicates for intercalative immobilization of soybean lipoxygenase. phyllosilicates 30-45 linoleate 9S-lipoxygenase-4 Glycine max 90-102 9497325-5 1998 Exposure of isolated HDL to either low fluxes of aqueous peroxyl radicals, Cu2+ ions, or soybean lipoxygenase resulted in the oxidation of apoAI and apoAII during the earliest stages of the reaction, i.e. after consumption of ubiquinol-10 and in the presence of alpha-TOH. ubiquinol 226-235 linoleate 9S-lipoxygenase-4 Glycine max 97-109 9497325-5 1998 Exposure of isolated HDL to either low fluxes of aqueous peroxyl radicals, Cu2+ ions, or soybean lipoxygenase resulted in the oxidation of apoAI and apoAII during the earliest stages of the reaction, i.e. after consumption of ubiquinol-10 and in the presence of alpha-TOH. alpha-Tocopherol 262-271 linoleate 9S-lipoxygenase-4 Glycine max 97-109 9497325-9 1998 Exposure of isolated apoAI to peroxyl radicals, Cu2+, or soybean lipoxygenase resulted in nonspecific (for peroxyl radicals) or no discernible protein oxidation (Cu2+ and soybean lipoxygenase). perhydroxyl radical 30-46 linoleate 9S-lipoxygenase-4 Glycine max 179-191 9497325-9 1998 Exposure of isolated apoAI to peroxyl radicals, Cu2+, or soybean lipoxygenase resulted in nonspecific (for peroxyl radicals) or no discernible protein oxidation (Cu2+ and soybean lipoxygenase). perhydroxyl radical 107-123 linoleate 9S-lipoxygenase-4 Glycine max 65-77 9497325-13 1998 alpha-TOH enrichment also enhanced HDL lipid and protein oxidation induced by Cu2+ or soybean lipoxygenase. alpha-Tocopherol 0-9 linoleate 9S-lipoxygenase-4 Glycine max 94-106 9501125-0 1998 Specific soybean lipoxygenases localize to discrete subcellular compartments and their mRNAs are differentially regulated by source-sink status Members of the lipoxygenase multigene family, found widely in eukaryotes, have been proposed to function in nitrogen partitioning and storage in plants. Nitrogen 253-261 linoleate 9S-lipoxygenase-4 Glycine max 160-172 9501125-8 1998 Specific lipoxygenase isoforms may have a role in short-term nitrogen storage (VLXC/D), whereas others may simultaneously function in assimilate partitioning as active enzymes (VLXA/B). Nitrogen 62-70 linoleate 9S-lipoxygenase-4 Glycine max 10-22 18574729-2 1998 Lipoxygenase (LOX) intercalated into cross-linked phyllosilicates exhibited high enzymatic activity. phyllosilicates 50-65 linoleate 9S-lipoxygenase-4 Glycine max 0-12 18574729-2 1998 Lipoxygenase (LOX) intercalated into cross-linked phyllosilicates exhibited high enzymatic activity. phyllosilicates 50-65 linoleate 9S-lipoxygenase-4 Glycine max 14-17 18574729-4 1998 Alkylamines were used to occupy the charge sites of the phyllosilicate, which increased the hydrophobicity of the phyllosilicate and reduced charge-charge interaction between LOX and the phyllosilicate. alkylamines 0-11 linoleate 9S-lipoxygenase-4 Glycine max 175-178 18574729-4 1998 Alkylamines were used to occupy the charge sites of the phyllosilicate, which increased the hydrophobicity of the phyllosilicate and reduced charge-charge interaction between LOX and the phyllosilicate. phyllosilicate 56-70 linoleate 9S-lipoxygenase-4 Glycine max 175-178 18574729-5 1998 The amount of macropores and the enzymatic activity of the lipoxygenase-phyllosilicate composites increased with an increase in the ratio of trimethylammonium (TMA)-phyllosilicate to cross-linking reagent TMOS. phyllosilicate 72-86 linoleate 9S-lipoxygenase-4 Glycine max 59-71 18574729-5 1998 The amount of macropores and the enzymatic activity of the lipoxygenase-phyllosilicate composites increased with an increase in the ratio of trimethylammonium (TMA)-phyllosilicate to cross-linking reagent TMOS. Cetrimonium 141-158 linoleate 9S-lipoxygenase-4 Glycine max 59-71 18574729-5 1998 The amount of macropores and the enzymatic activity of the lipoxygenase-phyllosilicate composites increased with an increase in the ratio of trimethylammonium (TMA)-phyllosilicate to cross-linking reagent TMOS. phyllosilicate 165-179 linoleate 9S-lipoxygenase-4 Glycine max 59-71 18574729-6 1998 LOX intercalatively immobilized into phyllosilicates displayed good storage stability and reusability at ambient temperature. phyllosilicates 37-52 linoleate 9S-lipoxygenase-4 Glycine max 0-3 9335571-5 1997 Results from stopped-flow studies indicate that the hydroperoxide level influences the rate of Compound II formation indirectly, via changes in the transient accumulation of Compound I, rather than by reducing Compound I. PGHS and soybean lipoxygenase reactions with 11,14-eicosadienoic acid (20:2) were also analyzed using a spectrophotometer cuvette fitted with an oxygen electrode to monitor lipid product formation and oxygen consumption simultaneously. Hydrogen Peroxide 52-65 linoleate 9S-lipoxygenase-4 Glycine max 239-251 9522277-0 1998 N-dealkylation of aminopyrine catalyzed by soybean lipoxygenase in the presence of hydrogen peroxide. Nitrogen 0-1 linoleate 9S-lipoxygenase-4 Glycine max 51-63 9522277-0 1998 N-dealkylation of aminopyrine catalyzed by soybean lipoxygenase in the presence of hydrogen peroxide. Aminopyrine 18-29 linoleate 9S-lipoxygenase-4 Glycine max 51-63 9522277-0 1998 N-dealkylation of aminopyrine catalyzed by soybean lipoxygenase in the presence of hydrogen peroxide. Hydrogen Peroxide 83-100 linoleate 9S-lipoxygenase-4 Glycine max 51-63 9522277-1 1998 A hypothesis that lipoxygenase may mediate N-dealkylation of xenobiotics was investigated using the prototype drug aminopyrine and soybean lipoxygenase as a model enzyme in the presence of hydrogen peroxide. Nitrogen 43-44 linoleate 9S-lipoxygenase-4 Glycine max 18-30 9522277-1 1998 A hypothesis that lipoxygenase may mediate N-dealkylation of xenobiotics was investigated using the prototype drug aminopyrine and soybean lipoxygenase as a model enzyme in the presence of hydrogen peroxide. Aminopyrine 115-126 linoleate 9S-lipoxygenase-4 Glycine max 18-30 9522277-1 1998 A hypothesis that lipoxygenase may mediate N-dealkylation of xenobiotics was investigated using the prototype drug aminopyrine and soybean lipoxygenase as a model enzyme in the presence of hydrogen peroxide. Hydrogen Peroxide 189-206 linoleate 9S-lipoxygenase-4 Glycine max 18-30 9522277-1 1998 A hypothesis that lipoxygenase may mediate N-dealkylation of xenobiotics was investigated using the prototype drug aminopyrine and soybean lipoxygenase as a model enzyme in the presence of hydrogen peroxide. Hydrogen Peroxide 189-206 linoleate 9S-lipoxygenase-4 Glycine max 139-151 9522277-5 1998 The reaction was significantly inhibited by nordihydroguaiaretic acid and gossypol, the classical inhibitors of lipoxygenase. Masoprocol 44-69 linoleate 9S-lipoxygenase-4 Glycine max 112-124 9522277-5 1998 The reaction was significantly inhibited by nordihydroguaiaretic acid and gossypol, the classical inhibitors of lipoxygenase. Gossypol 74-82 linoleate 9S-lipoxygenase-4 Glycine max 112-124 9522277-10 1998 Collectively, the evidence presented suggests for the first time that lipoxygenase pathway may be involved in N-demethylation of aminopyrine and other chemicals. Aminopyrine 129-140 linoleate 9S-lipoxygenase-4 Glycine max 70-82 9335571-5 1997 Results from stopped-flow studies indicate that the hydroperoxide level influences the rate of Compound II formation indirectly, via changes in the transient accumulation of Compound I, rather than by reducing Compound I. PGHS and soybean lipoxygenase reactions with 11,14-eicosadienoic acid (20:2) were also analyzed using a spectrophotometer cuvette fitted with an oxygen electrode to monitor lipid product formation and oxygen consumption simultaneously. eicosa-11,14-dienoic acid 267-291 linoleate 9S-lipoxygenase-4 Glycine max 239-251 9335571-5 1997 Results from stopped-flow studies indicate that the hydroperoxide level influences the rate of Compound II formation indirectly, via changes in the transient accumulation of Compound I, rather than by reducing Compound I. PGHS and soybean lipoxygenase reactions with 11,14-eicosadienoic acid (20:2) were also analyzed using a spectrophotometer cuvette fitted with an oxygen electrode to monitor lipid product formation and oxygen consumption simultaneously. Oxygen 367-373 linoleate 9S-lipoxygenase-4 Glycine max 239-251 9335571-6 1997 The results show that the oxygen electrode signal is inherently dampened and thus underestimates the oxygen consumption rate; the discrepancy is much larger for the more rapidly accelerating PGHS reaction than for the lipoxygenase reaction. Oxygen 26-32 linoleate 9S-lipoxygenase-4 Glycine max 218-230 9335571-6 1997 The results show that the oxygen electrode signal is inherently dampened and thus underestimates the oxygen consumption rate; the discrepancy is much larger for the more rapidly accelerating PGHS reaction than for the lipoxygenase reaction. Oxygen 101-107 linoleate 9S-lipoxygenase-4 Glycine max 218-230 9335571-7 1997 When correction is made for the electrode dampening, the ratio between the peak rates of oxygen consumption and lipid product formation was near unity for both PGHS and lipoxygenase, indicating a reaction stoichiometry of about 1 mol of O2 consumed/mol of 20:2 oxygenated for both enzymes. Oxygen 89-95 linoleate 9S-lipoxygenase-4 Glycine max 160-181 9335571-7 1997 When correction is made for the electrode dampening, the ratio between the peak rates of oxygen consumption and lipid product formation was near unity for both PGHS and lipoxygenase, indicating a reaction stoichiometry of about 1 mol of O2 consumed/mol of 20:2 oxygenated for both enzymes. Oxygen 237-239 linoleate 9S-lipoxygenase-4 Glycine max 160-181 9295158-0 1997 Kinetic characteristics of the enzymatic conversion in presence of cyclodextrins: study of the oxidation of polyunsaturated fatty acids by lipoxygenase. Cyclodextrins 67-80 linoleate 9S-lipoxygenase-4 Glycine max 139-151 9295158-0 1997 Kinetic characteristics of the enzymatic conversion in presence of cyclodextrins: study of the oxidation of polyunsaturated fatty acids by lipoxygenase. Fatty Acids, Unsaturated 108-135 linoleate 9S-lipoxygenase-4 Glycine max 139-151 9295158-2 1997 In order to evaluate the behaviour of the enzymes in presence of CDs a study of the lipoxygenase (LOX)-catalyzed oxidation of polyunsaturated fatty acids (PUFA) as model reaction has been carried out. Cyclodextrins 65-68 linoleate 9S-lipoxygenase-4 Glycine max 84-96 9295158-2 1997 In order to evaluate the behaviour of the enzymes in presence of CDs a study of the lipoxygenase (LOX)-catalyzed oxidation of polyunsaturated fatty acids (PUFA) as model reaction has been carried out. Cyclodextrins 65-68 linoleate 9S-lipoxygenase-4 Glycine max 98-101 9295158-2 1997 In order to evaluate the behaviour of the enzymes in presence of CDs a study of the lipoxygenase (LOX)-catalyzed oxidation of polyunsaturated fatty acids (PUFA) as model reaction has been carried out. Fatty Acids, Unsaturated 126-153 linoleate 9S-lipoxygenase-4 Glycine max 84-96 9295158-2 1997 In order to evaluate the behaviour of the enzymes in presence of CDs a study of the lipoxygenase (LOX)-catalyzed oxidation of polyunsaturated fatty acids (PUFA) as model reaction has been carried out. Fatty Acids, Unsaturated 126-153 linoleate 9S-lipoxygenase-4 Glycine max 98-101 9295158-2 1997 In order to evaluate the behaviour of the enzymes in presence of CDs a study of the lipoxygenase (LOX)-catalyzed oxidation of polyunsaturated fatty acids (PUFA) as model reaction has been carried out. Fatty Acids, Unsaturated 155-159 linoleate 9S-lipoxygenase-4 Glycine max 84-96 9295158-2 1997 In order to evaluate the behaviour of the enzymes in presence of CDs a study of the lipoxygenase (LOX)-catalyzed oxidation of polyunsaturated fatty acids (PUFA) as model reaction has been carried out. Fatty Acids, Unsaturated 155-159 linoleate 9S-lipoxygenase-4 Glycine max 98-101 9295158-9 1997 For the oxidation of PUFA by LOX in the presence of beta-CD we propose a model in which free PUFA is the only effective substrate, thus the oxidation of the complexed substrate requires the previous dissociation of the complex. Fatty Acids, Unsaturated 21-25 linoleate 9S-lipoxygenase-4 Glycine max 29-32 9295158-9 1997 For the oxidation of PUFA by LOX in the presence of beta-CD we propose a model in which free PUFA is the only effective substrate, thus the oxidation of the complexed substrate requires the previous dissociation of the complex. betadex 52-59 linoleate 9S-lipoxygenase-4 Glycine max 29-32 9295158-9 1997 For the oxidation of PUFA by LOX in the presence of beta-CD we propose a model in which free PUFA is the only effective substrate, thus the oxidation of the complexed substrate requires the previous dissociation of the complex. Fatty Acids, Unsaturated 93-97 linoleate 9S-lipoxygenase-4 Glycine max 29-32 9295158-12 1997 CD was shown to slow down the reaction rate of LOX, specifically due to the increase of Km, Vmax remaining unchanged. Cyclodextrins 0-2 linoleate 9S-lipoxygenase-4 Glycine max 47-50 9295158-16 1997 From the observation of the reaction progress curves in the conditions of the CD assay, we have studied some characteristic parameters of the oxidation of PUFA by LOX in this new medium, such as enzymatic activity, duration of linear product accumulation and the lag phase. Cyclodextrins 78-80 linoleate 9S-lipoxygenase-4 Glycine max 163-166 9109655-12 1997 The 9- and 13-hydroperoxide products that are formed from 9-ODEYA and 12-ODEYA, respectively, oxidize Fe(II)-lipoxygenase to its Fe(III) state and are weak lipoxygenase inhibitors. ferric sulfate 129-136 linoleate 9S-lipoxygenase-4 Glycine max 156-168 9109655-0 1997 Lipoxygenase is irreversibly inactivated by the hydroperoxides formed from the enynoic analogues of linoleic acid. Hydrogen Peroxide 48-62 linoleate 9S-lipoxygenase-4 Glycine max 0-12 9109655-13 1997 11-HP-12-ODEYA is, however, the most powerful inhibitor and is able to oxidize Fe(II)-lipoxygenase to Fe(III)-lipoxygenase. 11-hp-12-odeya 0-14 linoleate 9S-lipoxygenase-4 Glycine max 86-98 9109655-0 1997 Lipoxygenase is irreversibly inactivated by the hydroperoxides formed from the enynoic analogues of linoleic acid. Linoleic Acid 100-113 linoleate 9S-lipoxygenase-4 Glycine max 0-12 9109655-1 1997 Triple bond analogues of natural fatty acids irreversibly inactivate lipoxygenase during their enzymatic conversion [Nieuwenhuizen, W. F., et al. Fatty Acids 33-44 linoleate 9S-lipoxygenase-4 Glycine max 69-81 9109655-13 1997 11-HP-12-ODEYA is, however, the most powerful inhibitor and is able to oxidize Fe(II)-lipoxygenase to Fe(III)-lipoxygenase. 11-hp-12-odeya 0-14 linoleate 9S-lipoxygenase-4 Glycine max 110-122 9109655-4 1997 During the inactivation process, Fe(III)-lipoxygenase converts 9-ODEYA into three products, i.e. 11-oxooctadec-9-en-12-ynoic acid, racemic 9-hydroxy-10(E)-octadec-10-en-12-ynoic acid, and racemic 9-hydroperoxy-10(E)-octadec-10-en-12-ynoic acid. 9-odeya 63-70 linoleate 9S-lipoxygenase-4 Glycine max 41-53 9109655-14 1997 11-HP-12-ODEYA is converted into 11-oxo-12-ODEYA by Fe(III)-lipoxygenase. 11-hp-12-odeya 0-14 linoleate 9S-lipoxygenase-4 Glycine max 60-72 9109655-4 1997 During the inactivation process, Fe(III)-lipoxygenase converts 9-ODEYA into three products, i.e. 11-oxooctadec-9-en-12-ynoic acid, racemic 9-hydroxy-10(E)-octadec-10-en-12-ynoic acid, and racemic 9-hydroperoxy-10(E)-octadec-10-en-12-ynoic acid. 11-oxooctadec-9-en-12-ynoic acid 97-129 linoleate 9S-lipoxygenase-4 Glycine max 41-53 9109655-14 1997 11-HP-12-ODEYA is converted into 11-oxo-12-ODEYA by Fe(III)-lipoxygenase. 11-oxo-12-odeya 33-48 linoleate 9S-lipoxygenase-4 Glycine max 60-72 9109655-4 1997 During the inactivation process, Fe(III)-lipoxygenase converts 9-ODEYA into three products, i.e. 11-oxooctadec-9-en-12-ynoic acid, racemic 9-hydroxy-10(E)-octadec-10-en-12-ynoic acid, and racemic 9-hydroperoxy-10(E)-octadec-10-en-12-ynoic acid. 9-hydroxy-10(e)-octadec-10-en-12-ynoic acid 139-182 linoleate 9S-lipoxygenase-4 Glycine max 41-53 9109655-4 1997 During the inactivation process, Fe(III)-lipoxygenase converts 9-ODEYA into three products, i.e. 11-oxooctadec-9-en-12-ynoic acid, racemic 9-hydroxy-10(E)-octadec-10-en-12-ynoic acid, and racemic 9-hydroperoxy-10(E)-octadec-10-en-12-ynoic acid. 9-hydroperoxy-10(e)-octadec-10-en-12-ynoic acid 196-243 linoleate 9S-lipoxygenase-4 Glycine max 41-53 9109655-12 1997 The 9- and 13-hydroperoxide products that are formed from 9-ODEYA and 12-ODEYA, respectively, oxidize Fe(II)-lipoxygenase to its Fe(III) state and are weak lipoxygenase inhibitors. 9- and 13-hydroperoxide 4-27 linoleate 9S-lipoxygenase-4 Glycine max 109-121 9109655-12 1997 The 9- and 13-hydroperoxide products that are formed from 9-ODEYA and 12-ODEYA, respectively, oxidize Fe(II)-lipoxygenase to its Fe(III) state and are weak lipoxygenase inhibitors. 9- and 13-hydroperoxide 4-27 linoleate 9S-lipoxygenase-4 Glycine max 156-168 9109655-12 1997 The 9- and 13-hydroperoxide products that are formed from 9-ODEYA and 12-ODEYA, respectively, oxidize Fe(II)-lipoxygenase to its Fe(III) state and are weak lipoxygenase inhibitors. 9-odeya 58-65 linoleate 9S-lipoxygenase-4 Glycine max 109-121 9109655-12 1997 The 9- and 13-hydroperoxide products that are formed from 9-ODEYA and 12-ODEYA, respectively, oxidize Fe(II)-lipoxygenase to its Fe(III) state and are weak lipoxygenase inhibitors. 9-odeya 58-65 linoleate 9S-lipoxygenase-4 Glycine max 156-168 9109655-12 1997 The 9- and 13-hydroperoxide products that are formed from 9-ODEYA and 12-ODEYA, respectively, oxidize Fe(II)-lipoxygenase to its Fe(III) state and are weak lipoxygenase inhibitors. 12-odeya 70-78 linoleate 9S-lipoxygenase-4 Glycine max 109-121 9109655-15 1997 We propose a mechanism for the latter reaction in which Fe(III)-lipoxygenase abstracts the bisallylic hydrogen H-11 from 11-HP-12-ODEYA, yielding a hydroperoxyl radical which is subsequently cleaved into 11-oxo-ODEYA and a hydroxyl radical which may inactivate the enzyme. hydrogen h-11 102-115 linoleate 9S-lipoxygenase-4 Glycine max 64-76 9109655-12 1997 The 9- and 13-hydroperoxide products that are formed from 9-ODEYA and 12-ODEYA, respectively, oxidize Fe(II)-lipoxygenase to its Fe(III) state and are weak lipoxygenase inhibitors. 12-odeya 70-78 linoleate 9S-lipoxygenase-4 Glycine max 156-168 9109655-12 1997 The 9- and 13-hydroperoxide products that are formed from 9-ODEYA and 12-ODEYA, respectively, oxidize Fe(II)-lipoxygenase to its Fe(III) state and are weak lipoxygenase inhibitors. ferric sulfate 129-136 linoleate 9S-lipoxygenase-4 Glycine max 109-121 9109655-15 1997 We propose a mechanism for the latter reaction in which Fe(III)-lipoxygenase abstracts the bisallylic hydrogen H-11 from 11-HP-12-ODEYA, yielding a hydroperoxyl radical which is subsequently cleaved into 11-oxo-ODEYA and a hydroxyl radical which may inactivate the enzyme. 11-hp-12-odeya 121-135 linoleate 9S-lipoxygenase-4 Glycine max 64-76 9109655-15 1997 We propose a mechanism for the latter reaction in which Fe(III)-lipoxygenase abstracts the bisallylic hydrogen H-11 from 11-HP-12-ODEYA, yielding a hydroperoxyl radical which is subsequently cleaved into 11-oxo-ODEYA and a hydroxyl radical which may inactivate the enzyme. Hydroperoxy radical 148-168 linoleate 9S-lipoxygenase-4 Glycine max 64-76 9109655-15 1997 We propose a mechanism for the latter reaction in which Fe(III)-lipoxygenase abstracts the bisallylic hydrogen H-11 from 11-HP-12-ODEYA, yielding a hydroperoxyl radical which is subsequently cleaved into 11-oxo-ODEYA and a hydroxyl radical which may inactivate the enzyme. 11-oxo-odeya 204-216 linoleate 9S-lipoxygenase-4 Glycine max 64-76 9109655-15 1997 We propose a mechanism for the latter reaction in which Fe(III)-lipoxygenase abstracts the bisallylic hydrogen H-11 from 11-HP-12-ODEYA, yielding a hydroperoxyl radical which is subsequently cleaved into 11-oxo-ODEYA and a hydroxyl radical which may inactivate the enzyme. Hydroxyl Radical 223-239 linoleate 9S-lipoxygenase-4 Glycine max 64-76 8679548-1 1996 We have used stopped-flow rapid reaction methods, employing both fluorescence and absorbance monitoring, together with HPLC analysis of the products to study the activation of soybean 15-lipoxygenase by 13(S)-hydroperoxy-9, 11(E,Z)-octadecadienoic acid (13-HPOD). 13-Hpode 254-261 linoleate 9S-lipoxygenase-4 Glycine max 187-199 9029051-1 1997 ]4-aminobiphenyl (4-ABP) co-oxidation catalyzed by the human term placental lipoxygenase (HTPLO), purified by affinity chromatography, was studied in the presence of linoleic acid (LA). Linoleic Acid 166-179 linoleate 9S-lipoxygenase-4 Glycine max 76-88 9005450-0 1996 Benzophenanthridine alkaloids of Chelidonium majus; I. Inhibition of 5- and 12-lipoxygenase by a non-redox mechanism. benzophenanthridine alkaloids 0-29 linoleate 9S-lipoxygenase-4 Glycine max 79-91 9005450-1 1996 The benzophenanthridine alkaloids sanguinarine and chelerythrine of Chelidonium majus, L. (Papaveraceae), are potent inhibitors of 5-lipoxygenase in polymorphonuclear leukocytes and 12-lipoxygenase in mouse epidermis, while the activity of soybean lipoxygenase is not influenced. Benzophenanthridines 4-23 linoleate 9S-lipoxygenase-4 Glycine max 133-145 9005450-1 1996 The benzophenanthridine alkaloids sanguinarine and chelerythrine of Chelidonium majus, L. (Papaveraceae), are potent inhibitors of 5-lipoxygenase in polymorphonuclear leukocytes and 12-lipoxygenase in mouse epidermis, while the activity of soybean lipoxygenase is not influenced. Benzophenanthridines 4-23 linoleate 9S-lipoxygenase-4 Glycine max 185-197 9005450-1 1996 The benzophenanthridine alkaloids sanguinarine and chelerythrine of Chelidonium majus, L. (Papaveraceae), are potent inhibitors of 5-lipoxygenase in polymorphonuclear leukocytes and 12-lipoxygenase in mouse epidermis, while the activity of soybean lipoxygenase is not influenced. Alkaloids 24-33 linoleate 9S-lipoxygenase-4 Glycine max 133-145 9005450-1 1996 The benzophenanthridine alkaloids sanguinarine and chelerythrine of Chelidonium majus, L. (Papaveraceae), are potent inhibitors of 5-lipoxygenase in polymorphonuclear leukocytes and 12-lipoxygenase in mouse epidermis, while the activity of soybean lipoxygenase is not influenced. Alkaloids 24-33 linoleate 9S-lipoxygenase-4 Glycine max 185-197 9005450-1 1996 The benzophenanthridine alkaloids sanguinarine and chelerythrine of Chelidonium majus, L. (Papaveraceae), are potent inhibitors of 5-lipoxygenase in polymorphonuclear leukocytes and 12-lipoxygenase in mouse epidermis, while the activity of soybean lipoxygenase is not influenced. sanguinarine 34-46 linoleate 9S-lipoxygenase-4 Glycine max 133-145 9005450-1 1996 The benzophenanthridine alkaloids sanguinarine and chelerythrine of Chelidonium majus, L. (Papaveraceae), are potent inhibitors of 5-lipoxygenase in polymorphonuclear leukocytes and 12-lipoxygenase in mouse epidermis, while the activity of soybean lipoxygenase is not influenced. sanguinarine 34-46 linoleate 9S-lipoxygenase-4 Glycine max 185-197 9005450-1 1996 The benzophenanthridine alkaloids sanguinarine and chelerythrine of Chelidonium majus, L. (Papaveraceae), are potent inhibitors of 5-lipoxygenase in polymorphonuclear leukocytes and 12-lipoxygenase in mouse epidermis, while the activity of soybean lipoxygenase is not influenced. chelerythrine 51-64 linoleate 9S-lipoxygenase-4 Glycine max 133-145 8679612-0 1996 Selenite incubated with NADPH and mammalian thioredoxin reductase yields selenide, which inhibits lipoxygenase and changes the electron spin resonance spectrum of the active site iron. NADP 24-29 linoleate 9S-lipoxygenase-4 Glycine max 98-110 8679612-0 1996 Selenite incubated with NADPH and mammalian thioredoxin reductase yields selenide, which inhibits lipoxygenase and changes the electron spin resonance spectrum of the active site iron. Selenium 73-81 linoleate 9S-lipoxygenase-4 Glycine max 98-110 8679612-10 1996 Since selenide is known to be efficiently oxidized by oxygen and to form elemental selenium the results evidence that selenide was the inhibitor of lipoxygenase activity in the anaerobic preincubations. Selenium 6-14 linoleate 9S-lipoxygenase-4 Glycine max 148-160 8679612-10 1996 Since selenide is known to be efficiently oxidized by oxygen and to form elemental selenium the results evidence that selenide was the inhibitor of lipoxygenase activity in the anaerobic preincubations. Selenium 83-91 linoleate 9S-lipoxygenase-4 Glycine max 148-160 8679612-10 1996 Since selenide is known to be efficiently oxidized by oxygen and to form elemental selenium the results evidence that selenide was the inhibitor of lipoxygenase activity in the anaerobic preincubations. Selenium 118-126 linoleate 9S-lipoxygenase-4 Glycine max 148-160 8679548-0 1996 Role of lipid hydroperoxides in the activation of 15-lipoxygenase. Lipid Peroxides 8-28 linoleate 9S-lipoxygenase-4 Glycine max 53-65 8679548-1 1996 We have used stopped-flow rapid reaction methods, employing both fluorescence and absorbance monitoring, together with HPLC analysis of the products to study the activation of soybean 15-lipoxygenase by 13(S)-hydroperoxy-9, 11(E,Z)-octadecadienoic acid (13-HPOD). 13(s)-hydroperoxy-9, 11(e,z)-octadecadienoic acid 203-252 linoleate 9S-lipoxygenase-4 Glycine max 187-199 9134748-0 1997 Modulation of lipoxygenase activity by bacterial hopanoids. hopanoids 49-58 linoleate 9S-lipoxygenase-4 Glycine max 14-26 9134748-1 1997 Tetrahydroxybacteriohopane (1), a bacterial hopanoid, inhibited soybean 15-lipoxygenase with an IC50 of about 10 microM. 32,33,34,35-bacteriohopanetetrol 0-26 linoleate 9S-lipoxygenase-4 Glycine max 75-87 9134748-1 1997 Tetrahydroxybacteriohopane (1), a bacterial hopanoid, inhibited soybean 15-lipoxygenase with an IC50 of about 10 microM. hopanoid 44-52 linoleate 9S-lipoxygenase-4 Glycine max 75-87 9134748-3 1997 Two other bacterial hopanoids, tetrahydroxybacteriohopane glucosamine (2) and tetrahydroxybacteriohopane ether (3), stimulated the activity of soybean 15-lipoxygenase. hopanoids 20-29 linoleate 9S-lipoxygenase-4 Glycine max 154-166 9134748-3 1997 Two other bacterial hopanoids, tetrahydroxybacteriohopane glucosamine (2) and tetrahydroxybacteriohopane ether (3), stimulated the activity of soybean 15-lipoxygenase. tetrahydroxybacteriohopane glucosamine 31-69 linoleate 9S-lipoxygenase-4 Glycine max 154-166 9134748-3 1997 Two other bacterial hopanoids, tetrahydroxybacteriohopane glucosamine (2) and tetrahydroxybacteriohopane ether (3), stimulated the activity of soybean 15-lipoxygenase. tetrahydroxybacteriohopane ether 78-110 linoleate 9S-lipoxygenase-4 Glycine max 154-166 9005450-1 1996 The benzophenanthridine alkaloids sanguinarine and chelerythrine of Chelidonium majus, L. (Papaveraceae), are potent inhibitors of 5-lipoxygenase in polymorphonuclear leukocytes and 12-lipoxygenase in mouse epidermis, while the activity of soybean lipoxygenase is not influenced. chelerythrine 51-64 linoleate 9S-lipoxygenase-4 Glycine max 185-197 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. Cysteinyldopa 20-27 linoleate 9S-lipoxygenase-4 Glycine max 117-120 8681970-0 1996 The effect of linoleic acid on pH inside sodium bis(2-ethylhexyl)sulfosuccinate reverse micelles in isooctane and on the enzymic activity of soybean lipoxygenase. Linoleic Acid 14-27 linoleate 9S-lipoxygenase-4 Glycine max 149-161 8681970-14 1996 The latter conclusion is consistent with the data on lipoxygenase activity towards linoleyl sulfate in aqueous solutions [Bild, G. S., Ramadoss, C. S. & Axelrod, B. linoleyl sulfate 83-99 linoleate 9S-lipoxygenase-4 Glycine max 53-65 8681970-14 1996 The latter conclusion is consistent with the data on lipoxygenase activity towards linoleyl sulfate in aqueous solutions [Bild, G. S., Ramadoss, C. S. & Axelrod, B. Adenosine Monophosphate 152-155 linoleate 9S-lipoxygenase-4 Glycine max 53-65 8690317-0 1996 Oxidation of ascorbic acid by lipoxygenase: effect of selected chemicals. Ascorbic Acid 13-26 linoleate 9S-lipoxygenase-4 Glycine max 30-42 8690317-1 1996 The ability of soybean lipoxygenase to mediate ascorbic acid oxidation was examined. Ascorbic Acid 47-60 linoleate 9S-lipoxygenase-4 Glycine max 23-35 8690317-3 1996 The optimal conditions to observe maximal enzyme velocity included the presence of 800 microM linoleic acid, 500 microM ascorbic acid and 25 nM soybean lipoxygenase in 50 mM Tris buffer, pH 8.3. Tromethamine 174-178 linoleate 9S-lipoxygenase-4 Glycine max 152-164 8690317-5 1996 The effect of ascorbic acid on the lipoxygenase-catalysed co-oxidation of xenobiotics was also evaluated. Ascorbic Acid 14-27 linoleate 9S-lipoxygenase-4 Glycine max 35-47 8690317-6 1996 Ascorbic acid markedly decreased the rate of oxidation of test xenobiotics by the lipoxygenase. Ascorbic Acid 0-13 linoleate 9S-lipoxygenase-4 Glycine max 82-94 8690317-7 1996 In contrast, the rate of ascorbic acid co-oxidation was enhanced significantly by the presence of xenobiotics, which are co-oxidized simultaneously by lipoxygenase through the formation of free radicals. Ascorbic Acid 25-38 linoleate 9S-lipoxygenase-4 Glycine max 151-163 8690317-7 1996 In contrast, the rate of ascorbic acid co-oxidation was enhanced significantly by the presence of xenobiotics, which are co-oxidized simultaneously by lipoxygenase through the formation of free radicals. Free Radicals 189-202 linoleate 9S-lipoxygenase-4 Glycine max 151-163 8888310-0 1996 Pheomelanin production by the lipoxygenase-catalyzed oxidation of 5-S-cysteinyldopa and 5-S-cysteinyldopamine. pheomelanin 0-11 linoleate 9S-lipoxygenase-4 Glycine max 30-42 8888310-0 1996 Pheomelanin production by the lipoxygenase-catalyzed oxidation of 5-S-cysteinyldopa and 5-S-cysteinyldopamine. Cysteinyldopa 66-83 linoleate 9S-lipoxygenase-4 Glycine max 30-42 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. 5-S-cysteinyldopamine 33-55 linoleate 9S-lipoxygenase-4 Glycine max 103-115 8888310-0 1996 Pheomelanin production by the lipoxygenase-catalyzed oxidation of 5-S-cysteinyldopa and 5-S-cysteinyldopamine. 5-S-cysteinyldopamine 88-109 linoleate 9S-lipoxygenase-4 Glycine max 30-42 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. 5-S-cysteinyldopamine 33-55 linoleate 9S-lipoxygenase-4 Glycine max 117-120 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. Cysteinyldopa 0-18 linoleate 9S-lipoxygenase-4 Glycine max 103-115 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. Cysteinyldopa 0-18 linoleate 9S-lipoxygenase-4 Glycine max 117-120 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. cysdopamine 57-68 linoleate 9S-lipoxygenase-4 Glycine max 103-115 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. Cysteinyldopa 20-27 linoleate 9S-lipoxygenase-4 Glycine max 103-115 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. cysdopamine 57-68 linoleate 9S-lipoxygenase-4 Glycine max 117-120 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. Hydrogen Peroxide 141-158 linoleate 9S-lipoxygenase-4 Glycine max 103-115 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. Hydrogen Peroxide 141-158 linoleate 9S-lipoxygenase-4 Glycine max 117-120 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. pheomelanin 192-204 linoleate 9S-lipoxygenase-4 Glycine max 103-115 8888310-1 1996 5-S-cysteinyl-dopa (cysdopa) and 5-S-cysteinyl-dopamine (cysdopamine) are oxidized in vitro by soybean lipoxygenase (LOX) in the presence of hydrogen peroxide giving rise to the corresponding pheomelanins. pheomelanin 192-204 linoleate 9S-lipoxygenase-4 Glycine max 117-120 8639489-0 1996 Mechanism of lipoxygenase inactivation by the linoleic acid analogue octadeca-9,12-diynoic acid. Linoleic Acid 46-59 linoleate 9S-lipoxygenase-4 Glycine max 13-25 8660537-5 1996 The utility of low-collision-energy ESI-MS/MS to examine biological samples was shown by examining the products formed by the metabolism of linoleic (18:2omega6) and arachidonic (20:4omega6) acids by soybean lipoxygenase using aerobic and anaerobic incubation conditions that generated increasingly complex mixes of metabolites. Linoleic Acid 140-148 linoleate 9S-lipoxygenase-4 Glycine max 208-220 8660537-5 1996 The utility of low-collision-energy ESI-MS/MS to examine biological samples was shown by examining the products formed by the metabolism of linoleic (18:2omega6) and arachidonic (20:4omega6) acids by soybean lipoxygenase using aerobic and anaerobic incubation conditions that generated increasingly complex mixes of metabolites. arachidonic 166-177 linoleate 9S-lipoxygenase-4 Glycine max 208-220 8639489-0 1996 Mechanism of lipoxygenase inactivation by the linoleic acid analogue octadeca-9,12-diynoic acid. octadeca-9,12-diynoic acid 69-95 linoleate 9S-lipoxygenase-4 Glycine max 13-25 8639489-1 1996 During the irreversible inactivation of soybean Fe(III)-lipoxygenase [Fe(III)-LOX] by octadeca-9,12-diynoic acid (ODYA), significant quantities of 11-oxooctadeca-9,12 diynoic acid (11-oxo-ODYA) are formed [Nieuwenhuizen, W. F., et al. octadeca-9,12-diynoic acid 86-112 linoleate 9S-lipoxygenase-4 Glycine max 56-68 8639489-1 1996 During the irreversible inactivation of soybean Fe(III)-lipoxygenase [Fe(III)-LOX] by octadeca-9,12-diynoic acid (ODYA), significant quantities of 11-oxooctadeca-9,12 diynoic acid (11-oxo-ODYA) are formed [Nieuwenhuizen, W. F., et al. 11-oxooctadeca-9,12-diynoic acid 147-179 linoleate 9S-lipoxygenase-4 Glycine max 56-68 7585636-9 1995 In the absence of NADPH, NNK metabolism resulted in the formation of keto acid, keto aldehyde, and keto alcohol, and the activities in different lung samples were decreased by indomethacin (100 microM; cyclooxygenase inhibitor) or nordihydroguaiaretic acid (100 microM; lipoxygenase inhibitor) by 0-27% or 30-66%, respectively. Indomethacin 176-188 linoleate 9S-lipoxygenase-4 Glycine max 270-282 8904293-3 1996 In the present study we have used soybean lipoxygenase to model the interaction of the enzyme with LDL and show that a direct oxygenation of fatty acids occurs, including those esterified to cholesterol, with no lag phase or change in electrophoretic mobility of the LDL particle but with some depletion of alpha-tocopherol. Fatty Acids 141-152 linoleate 9S-lipoxygenase-4 Glycine max 42-54 8904293-5 1996 When lipoxygenase-treated LDL is exposed to either copper (II) or metMb, a rapid oxidation process occurs, resulting in a marked decrease in resistance to oxidation and an increase in the rate of modification to a form with increased electrophoretic mobility. cupric ion 51-62 linoleate 9S-lipoxygenase-4 Glycine max 5-17 8904293-5 1996 When lipoxygenase-treated LDL is exposed to either copper (II) or metMb, a rapid oxidation process occurs, resulting in a marked decrease in resistance to oxidation and an increase in the rate of modification to a form with increased electrophoretic mobility. metmb 66-71 linoleate 9S-lipoxygenase-4 Glycine max 5-17 8904293-7 1996 We propose that a synergistic interaction may occur between the peroxides inserted into LDL as a consequence of the enzymatic action of lipoxygenase with haem proteins or copper, which decreases the potency of the endogenous antioxidants and enhances oxidation. Peroxides 64-73 linoleate 9S-lipoxygenase-4 Glycine max 136-148 8904293-7 1996 We propose that a synergistic interaction may occur between the peroxides inserted into LDL as a consequence of the enzymatic action of lipoxygenase with haem proteins or copper, which decreases the potency of the endogenous antioxidants and enhances oxidation. Copper 171-177 linoleate 9S-lipoxygenase-4 Glycine max 136-148 8769897-2 1996 Linoleic acid (LA) and its hydroperoxide 13-L-hydroperoxylinoleic acid (LOOH) prepared with soybean lipoxygenase inhibited the response of GABARs in the presence of GABA at high concentrations. Linoleic Acid 0-13 linoleate 9S-lipoxygenase-4 Glycine max 100-112 8769897-2 1996 Linoleic acid (LA) and its hydroperoxide 13-L-hydroperoxylinoleic acid (LOOH) prepared with soybean lipoxygenase inhibited the response of GABARs in the presence of GABA at high concentrations. Hydrogen Peroxide 27-40 linoleate 9S-lipoxygenase-4 Glycine max 100-112 8769897-2 1996 Linoleic acid (LA) and its hydroperoxide 13-L-hydroperoxylinoleic acid (LOOH) prepared with soybean lipoxygenase inhibited the response of GABARs in the presence of GABA at high concentrations. 13(S)-HPODE 41-70 linoleate 9S-lipoxygenase-4 Glycine max 100-112 8769897-2 1996 Linoleic acid (LA) and its hydroperoxide 13-L-hydroperoxylinoleic acid (LOOH) prepared with soybean lipoxygenase inhibited the response of GABARs in the presence of GABA at high concentrations. Lipid Peroxides 72-76 linoleate 9S-lipoxygenase-4 Glycine max 100-112 8769897-2 1996 Linoleic acid (LA) and its hydroperoxide 13-L-hydroperoxylinoleic acid (LOOH) prepared with soybean lipoxygenase inhibited the response of GABARs in the presence of GABA at high concentrations. gabars 139-145 linoleate 9S-lipoxygenase-4 Glycine max 100-112 8769897-2 1996 Linoleic acid (LA) and its hydroperoxide 13-L-hydroperoxylinoleic acid (LOOH) prepared with soybean lipoxygenase inhibited the response of GABARs in the presence of GABA at high concentrations. gamma-Aminobutyric Acid 139-143 linoleate 9S-lipoxygenase-4 Glycine max 100-112 7585636-11 1995 Soybean lipoxygenase increased the rate of formation of keto aldehyde and keto alcohol in a concentration-dependent manner. keto aldehyde 56-69 linoleate 9S-lipoxygenase-4 Glycine max 8-20 7585636-11 1995 Soybean lipoxygenase increased the rate of formation of keto aldehyde and keto alcohol in a concentration-dependent manner. keto alcohol 74-86 linoleate 9S-lipoxygenase-4 Glycine max 8-20 7585636-12 1995 The increased rate in NNK oxidation by arachidonic acid or lipoxygenase was inhibited completely by nordihydroguaiaretic acid. Masoprocol 100-125 linoleate 9S-lipoxygenase-4 Glycine max 59-71 12228538-4 1995 Activity with 13S-HPOT increased 24-fold under anaerobic conditions reminiscent of a similar anaerobic promoted reaction of 13S-HPOD catalyzed by lipoxygenase (LOX) in the presence of linoleic acid. 5-chloro-3-tert-butyl-2'-chloro-4'-nitrosalicylanilide 14-17 linoleate 9S-lipoxygenase-4 Glycine max 146-158 8720128-4 1995 In addition, GL, glycyrrhetinic acid (GA) and soyasaponin beta g slightly inhibited LOX activity of the purified gp96 fraction, whereas oGA (a GA derivative) greatly inhibited its activity. Glycyrrhizic Acid 13-15 linoleate 9S-lipoxygenase-4 Glycine max 84-87 8720128-4 1995 In addition, GL, glycyrrhetinic acid (GA) and soyasaponin beta g slightly inhibited LOX activity of the purified gp96 fraction, whereas oGA (a GA derivative) greatly inhibited its activity. Glycyrrhetinic Acid 17-36 linoleate 9S-lipoxygenase-4 Glycine max 84-87 8720128-4 1995 In addition, GL, glycyrrhetinic acid (GA) and soyasaponin beta g slightly inhibited LOX activity of the purified gp96 fraction, whereas oGA (a GA derivative) greatly inhibited its activity. Glycyrrhetinic Acid 38-40 linoleate 9S-lipoxygenase-4 Glycine max 84-87 8720128-6 1995 All these results taken together suggest that (i) gp96 purified from soybeans as a GL-binding protein belongs to the LOX family; and (ii) triterpenoid saponins, including GL, are involved in the regulation of the activities of CK-II and LOXs in plants, such as soybeans and roots of liquorice, which contain large quantities of saponins. Saponins 151-159 linoleate 9S-lipoxygenase-4 Glycine max 117-120 8720128-6 1995 All these results taken together suggest that (i) gp96 purified from soybeans as a GL-binding protein belongs to the LOX family; and (ii) triterpenoid saponins, including GL, are involved in the regulation of the activities of CK-II and LOXs in plants, such as soybeans and roots of liquorice, which contain large quantities of saponins. Glycyrrhizic Acid 83-85 linoleate 9S-lipoxygenase-4 Glycine max 117-120 8720128-6 1995 All these results taken together suggest that (i) gp96 purified from soybeans as a GL-binding protein belongs to the LOX family; and (ii) triterpenoid saponins, including GL, are involved in the regulation of the activities of CK-II and LOXs in plants, such as soybeans and roots of liquorice, which contain large quantities of saponins. Saponins 328-336 linoleate 9S-lipoxygenase-4 Glycine max 117-120 8821124-0 1995 Oxygenation reactions of prostaglandins endoperoxide synthase and soybean lipoxygenase. Prostaglandins 25-39 linoleate 9S-lipoxygenase-4 Glycine max 74-86 8821124-2 1995 The stoichiometry of the oxygenation reaction of cis,cis-eicosa-11,14-dienoic acid catalyzed by prostaglandin endoperoxide synthase and soybean lipoxygenase has been investigated by using steady-state initial rate measurements. cis,cis-eicosa-11,14-dienoic acid 49-82 linoleate 9S-lipoxygenase-4 Glycine max 144-156 8821124-4 1995 The ratio of the two rates, d[conjugated diene/-d[O2], is 2/1 for the prostaglandin endoperoxide synthase catalyzed reaction and 1/1 for the lipoxygenase reaction. diene 41-46 linoleate 9S-lipoxygenase-4 Glycine max 141-153 8821124-4 1995 The ratio of the two rates, d[conjugated diene/-d[O2], is 2/1 for the prostaglandin endoperoxide synthase catalyzed reaction and 1/1 for the lipoxygenase reaction. Oxygen 50-52 linoleate 9S-lipoxygenase-4 Glycine max 141-153 8821124-4 1995 The ratio of the two rates, d[conjugated diene/-d[O2], is 2/1 for the prostaglandin endoperoxide synthase catalyzed reaction and 1/1 for the lipoxygenase reaction. Prostaglandins 70-83 linoleate 9S-lipoxygenase-4 Glycine max 141-153 8585333-1 1995 Fourier transform infrared spectroscopy (FT-IR) studies of lipoxygenase at pressures of up to 1.2 GPa have shown changes in the amide I" band which correlate to structural changes of the enzyme. Amides 128-133 linoleate 9S-lipoxygenase-4 Glycine max 59-71 7635257-6 1995 These flavonoids produced an inhibition of soybean lipoxygenase activity in a dose-dependent manner, with IC50 values (20 and 29 microM respectively) similar to the reference drug. Flavonoids 6-16 linoleate 9S-lipoxygenase-4 Glycine max 51-63 12228538-4 1995 Activity with 13S-HPOT increased 24-fold under anaerobic conditions reminiscent of a similar anaerobic promoted reaction of 13S-HPOD catalyzed by lipoxygenase (LOX) in the presence of linoleic acid. 5-chloro-3-tert-butyl-2'-chloro-4'-nitrosalicylanilide 14-17 linoleate 9S-lipoxygenase-4 Glycine max 160-163 12228538-4 1995 Activity with 13S-HPOT increased 24-fold under anaerobic conditions reminiscent of a similar anaerobic promoted reaction of 13S-HPOD catalyzed by lipoxygenase (LOX) in the presence of linoleic acid. 5-chloro-3-tert-butyl-2'-chloro-4'-nitrosalicylanilide 124-127 linoleate 9S-lipoxygenase-4 Glycine max 146-158 12228538-4 1995 Activity with 13S-HPOT increased 24-fold under anaerobic conditions reminiscent of a similar anaerobic promoted reaction of 13S-HPOD catalyzed by lipoxygenase (LOX) in the presence of linoleic acid. 5-chloro-3-tert-butyl-2'-chloro-4'-nitrosalicylanilide 124-127 linoleate 9S-lipoxygenase-4 Glycine max 160-163 12228538-4 1995 Activity with 13S-HPOT increased 24-fold under anaerobic conditions reminiscent of a similar anaerobic promoted reaction of 13S-HPOD catalyzed by lipoxygenase (LOX) in the presence of linoleic acid. Linoleic Acid 184-197 linoleate 9S-lipoxygenase-4 Glycine max 146-158 12228538-4 1995 Activity with 13S-HPOT increased 24-fold under anaerobic conditions reminiscent of a similar anaerobic promoted reaction of 13S-HPOD catalyzed by lipoxygenase (LOX) in the presence of linoleic acid. Linoleic Acid 184-197 linoleate 9S-lipoxygenase-4 Glycine max 160-163 7878664-0 1995 Evidence for lipoxygenase-catalyzed bioactivation of phenytoin to a teratogenic reactive intermediate: in vitro studies using linoleic acid-dependent soybean lipoxygenase, and in vivo studies using pregnant CD-1 mice. Phenytoin 53-62 linoleate 9S-lipoxygenase-4 Glycine max 13-25 7790873-4 1995 The relative amount of polyunsaturated fatty acids (as determined with soybean lipoxygenase) was increased in whole brains and crude synaptosomal membranes of the type II diabetic mice. Fatty Acids, Unsaturated 23-50 linoleate 9S-lipoxygenase-4 Glycine max 79-91 7562953-0 1995 Lipoxygenase-mediated glutathione oxidation and superoxide generation. Glutathione 22-33 linoleate 9S-lipoxygenase-4 Glycine max 0-12 7562953-1 1995 Soybean lipoxygenase-mediated cooxidation of reduced glutathione (GSH) and concomitant superoxide generation was examined. Glutathione 53-64 linoleate 9S-lipoxygenase-4 Glycine max 8-20 7562953-1 1995 Soybean lipoxygenase-mediated cooxidation of reduced glutathione (GSH) and concomitant superoxide generation was examined. Glutathione 66-69 linoleate 9S-lipoxygenase-4 Glycine max 8-20 7562953-1 1995 Soybean lipoxygenase-mediated cooxidation of reduced glutathione (GSH) and concomitant superoxide generation was examined. Superoxides 87-97 linoleate 9S-lipoxygenase-4 Glycine max 8-20 7562953-6 1995 Besides LA, arachidonic and gamma-linolenic acids also supported the lipoxygenase-mediated GSH oxidation. arachidonic 12-23 linoleate 9S-lipoxygenase-4 Glycine max 69-81 7562953-6 1995 Besides LA, arachidonic and gamma-linolenic acids also supported the lipoxygenase-mediated GSH oxidation. gamma-Linolenic Acid 28-49 linoleate 9S-lipoxygenase-4 Glycine max 69-81 7562953-6 1995 Besides LA, arachidonic and gamma-linolenic acids also supported the lipoxygenase-mediated GSH oxidation. Glutathione 91-94 linoleate 9S-lipoxygenase-4 Glycine max 69-81 7562953-11 1995 These results clearly suggest that lipoxygenase is capable of oxidizing GSH to GSSG and simultaneously generating superoxide anion radicals, which may contribute to oxidative stress in cells under certain conditions. Glutathione 72-75 linoleate 9S-lipoxygenase-4 Glycine max 35-47 7562953-11 1995 These results clearly suggest that lipoxygenase is capable of oxidizing GSH to GSSG and simultaneously generating superoxide anion radicals, which may contribute to oxidative stress in cells under certain conditions. Glutathione Disulfide 79-83 linoleate 9S-lipoxygenase-4 Glycine max 35-47 7562953-11 1995 These results clearly suggest that lipoxygenase is capable of oxidizing GSH to GSSG and simultaneously generating superoxide anion radicals, which may contribute to oxidative stress in cells under certain conditions. Superoxides 114-139 linoleate 9S-lipoxygenase-4 Glycine max 35-47 7742320-1 1995 Treatment of soybean lipoxygenase isozyme 1 with its substrates, linoleic acid and oxygen, or product, 13(S)-hydroperoxy-9,11(Z,E)-octadecadienoic acid (13-HPOD), leads to the appearance of a purple color. Linoleic Acid 65-78 linoleate 9S-lipoxygenase-4 Glycine max 21-33 7742320-1 1995 Treatment of soybean lipoxygenase isozyme 1 with its substrates, linoleic acid and oxygen, or product, 13(S)-hydroperoxy-9,11(Z,E)-octadecadienoic acid (13-HPOD), leads to the appearance of a purple color. 13(s)-hydroperoxy-9,11(z,e)-octadecadienoic acid 103-151 linoleate 9S-lipoxygenase-4 Glycine max 21-33 7742320-1 1995 Treatment of soybean lipoxygenase isozyme 1 with its substrates, linoleic acid and oxygen, or product, 13(S)-hydroperoxy-9,11(Z,E)-octadecadienoic acid (13-HPOD), leads to the appearance of a purple color. 13-Hpode 153-160 linoleate 9S-lipoxygenase-4 Glycine max 21-33 7742320-3 1995 Irradiation of frozen purple solutions of lipoxygenase causes the reversible production of a radical, shown by the effects of 2H and 17O enrichment on its EPR spectrum to be derived from 13-HPOD. Deuterium 126-128 linoleate 9S-lipoxygenase-4 Glycine max 42-54 7742320-3 1995 Irradiation of frozen purple solutions of lipoxygenase causes the reversible production of a radical, shown by the effects of 2H and 17O enrichment on its EPR spectrum to be derived from 13-HPOD. 17o 133-136 linoleate 9S-lipoxygenase-4 Glycine max 42-54 7742320-6 1995 Taken together, these observations support the suggestion that the purple species is a complex between ferric lipoxygenase and 13-HPOD, likely the ferric peroxide. ferric peroxide 147-162 linoleate 9S-lipoxygenase-4 Glycine max 110-122 7878664-0 1995 Evidence for lipoxygenase-catalyzed bioactivation of phenytoin to a teratogenic reactive intermediate: in vitro studies using linoleic acid-dependent soybean lipoxygenase, and in vivo studies using pregnant CD-1 mice. Phenytoin 53-62 linoleate 9S-lipoxygenase-4 Glycine max 158-170 7878664-0 1995 Evidence for lipoxygenase-catalyzed bioactivation of phenytoin to a teratogenic reactive intermediate: in vitro studies using linoleic acid-dependent soybean lipoxygenase, and in vivo studies using pregnant CD-1 mice. Linoleic Acid 126-139 linoleate 9S-lipoxygenase-4 Glycine max 13-25 7878664-0 1995 Evidence for lipoxygenase-catalyzed bioactivation of phenytoin to a teratogenic reactive intermediate: in vitro studies using linoleic acid-dependent soybean lipoxygenase, and in vivo studies using pregnant CD-1 mice. Linoleic Acid 126-139 linoleate 9S-lipoxygenase-4 Glycine max 158-170 7769969-5 1995 In conclusion, PMC is more effective than alpha-Toc as an inhibitor of lipoxygenase reaction with phospholipids and of autoxidation in phospholipids. alpha-Tocopherol 42-51 linoleate 9S-lipoxygenase-4 Glycine max 71-83 7769969-5 1995 In conclusion, PMC is more effective than alpha-Toc as an inhibitor of lipoxygenase reaction with phospholipids and of autoxidation in phospholipids. Phospholipids 98-111 linoleate 9S-lipoxygenase-4 Glycine max 71-83 7769968-1 1995 Soybean lipoxygenase (LOX; EC 1.12.11.12) catalyzes the oxygenation of polyunsaturated fatty acids, acylglycerols and phosphoglycerols, producing a regio- and enantiospecific hydroperoxide product. Fatty Acids, Unsaturated 71-98 linoleate 9S-lipoxygenase-4 Glycine max 8-20 7769969-6 1995 The phytyl chain of alpha-Toc seems to be unfavorable for exerting an inhibitory effect on lipoxygenase reaction with phospholipid-bile salt micelles. Phospholipids 118-130 linoleate 9S-lipoxygenase-4 Glycine max 91-103 7769968-1 1995 Soybean lipoxygenase (LOX; EC 1.12.11.12) catalyzes the oxygenation of polyunsaturated fatty acids, acylglycerols and phosphoglycerols, producing a regio- and enantiospecific hydroperoxide product. Fatty Acids, Unsaturated 71-98 linoleate 9S-lipoxygenase-4 Glycine max 22-25 7769969-6 1995 The phytyl chain of alpha-Toc seems to be unfavorable for exerting an inhibitory effect on lipoxygenase reaction with phospholipid-bile salt micelles. Bile Acids and Salts 131-140 linoleate 9S-lipoxygenase-4 Glycine max 91-103 7769968-1 1995 Soybean lipoxygenase (LOX; EC 1.12.11.12) catalyzes the oxygenation of polyunsaturated fatty acids, acylglycerols and phosphoglycerols, producing a regio- and enantiospecific hydroperoxide product. Glycerides 100-113 linoleate 9S-lipoxygenase-4 Glycine max 8-20 7819206-1 1995 The ferric form of soybean lipoxygenase catalyzes an elimination reaction on 12-iodo-cis-9-octadecenoic acid (12-IODE) to produce iodide ions and 9,11-octadecadienoic acid (9, 11-ODA). Ferric enterobactin ion 4-10 linoleate 9S-lipoxygenase-4 Glycine max 27-39 7769968-1 1995 Soybean lipoxygenase (LOX; EC 1.12.11.12) catalyzes the oxygenation of polyunsaturated fatty acids, acylglycerols and phosphoglycerols, producing a regio- and enantiospecific hydroperoxide product. Glycerides 100-113 linoleate 9S-lipoxygenase-4 Glycine max 22-25 7769968-1 1995 Soybean lipoxygenase (LOX; EC 1.12.11.12) catalyzes the oxygenation of polyunsaturated fatty acids, acylglycerols and phosphoglycerols, producing a regio- and enantiospecific hydroperoxide product. phosphoglycerols 118-134 linoleate 9S-lipoxygenase-4 Glycine max 8-20 7769968-1 1995 Soybean lipoxygenase (LOX; EC 1.12.11.12) catalyzes the oxygenation of polyunsaturated fatty acids, acylglycerols and phosphoglycerols, producing a regio- and enantiospecific hydroperoxide product. phosphoglycerols 118-134 linoleate 9S-lipoxygenase-4 Glycine max 22-25 7769968-1 1995 Soybean lipoxygenase (LOX; EC 1.12.11.12) catalyzes the oxygenation of polyunsaturated fatty acids, acylglycerols and phosphoglycerols, producing a regio- and enantiospecific hydroperoxide product. Hydrogen Peroxide 175-188 linoleate 9S-lipoxygenase-4 Glycine max 8-20 7769968-1 1995 Soybean lipoxygenase (LOX; EC 1.12.11.12) catalyzes the oxygenation of polyunsaturated fatty acids, acylglycerols and phosphoglycerols, producing a regio- and enantiospecific hydroperoxide product. Hydrogen Peroxide 175-188 linoleate 9S-lipoxygenase-4 Glycine max 22-25 7769968-2 1995 The goal of this work was to measure the relative rate of LOX-catalyzed oxidation of mixtures of lipids containing linoleate, using high-performance liquid chromatography (HPLC) and a light-scattering detector (LSD). Linoleic Acid 115-124 linoleate 9S-lipoxygenase-4 Glycine max 58-61 7769969-0 1995 Effect of d-alpha-tocopherol analogues on lipoxygenase-dependent peroxidation of phospholipid-bile salt micelles. alpha-Tocopherol 10-28 linoleate 9S-lipoxygenase-4 Glycine max 42-54 7769969-0 1995 Effect of d-alpha-tocopherol analogues on lipoxygenase-dependent peroxidation of phospholipid-bile salt micelles. Phospholipids 81-93 linoleate 9S-lipoxygenase-4 Glycine max 42-54 7769969-0 1995 Effect of d-alpha-tocopherol analogues on lipoxygenase-dependent peroxidation of phospholipid-bile salt micelles. Bile Acids and Salts 94-103 linoleate 9S-lipoxygenase-4 Glycine max 42-54 7819206-1 1995 The ferric form of soybean lipoxygenase catalyzes an elimination reaction on 12-iodo-cis-9-octadecenoic acid (12-IODE) to produce iodide ions and 9,11-octadecadienoic acid (9, 11-ODA). 12-Iodo-9-octadecenoic acid 77-108 linoleate 9S-lipoxygenase-4 Glycine max 27-39 7819206-1 1995 The ferric form of soybean lipoxygenase catalyzes an elimination reaction on 12-iodo-cis-9-octadecenoic acid (12-IODE) to produce iodide ions and 9,11-octadecadienoic acid (9, 11-ODA). 12-Iodo-9-octadecenoic acid 110-117 linoleate 9S-lipoxygenase-4 Glycine max 27-39 7819206-1 1995 The ferric form of soybean lipoxygenase catalyzes an elimination reaction on 12-iodo-cis-9-octadecenoic acid (12-IODE) to produce iodide ions and 9,11-octadecadienoic acid (9, 11-ODA). Iodides 130-136 linoleate 9S-lipoxygenase-4 Glycine max 27-39 7819206-1 1995 The ferric form of soybean lipoxygenase catalyzes an elimination reaction on 12-iodo-cis-9-octadecenoic acid (12-IODE) to produce iodide ions and 9,11-octadecadienoic acid (9, 11-ODA). 9,11-linoleic acid 146-171 linoleate 9S-lipoxygenase-4 Glycine max 27-39 7819206-1 1995 The ferric form of soybean lipoxygenase catalyzes an elimination reaction on 12-iodo-cis-9-octadecenoic acid (12-IODE) to produce iodide ions and 9,11-octadecadienoic acid (9, 11-ODA). 9, 11-oda 173-182 linoleate 9S-lipoxygenase-4 Glycine max 27-39 7819206-3 1995 Ferric lipoxygenase also catalyzes the conversion of 12-bromo-cis-9-octadecenoic acid (12-BrODE) to 9,11-ODA at a rate that is less than 25% of that observed with 12-IODE. 12-bromo-9-octadecenoic acid 53-85 linoleate 9S-lipoxygenase-4 Glycine max 7-19 7819206-3 1995 Ferric lipoxygenase also catalyzes the conversion of 12-bromo-cis-9-octadecenoic acid (12-BrODE) to 9,11-ODA at a rate that is less than 25% of that observed with 12-IODE. 12-bromo-9-octadecenoic acid 87-95 linoleate 9S-lipoxygenase-4 Glycine max 7-19 7819206-3 1995 Ferric lipoxygenase also catalyzes the conversion of 12-bromo-cis-9-octadecenoic acid (12-BrODE) to 9,11-ODA at a rate that is less than 25% of that observed with 12-IODE. 9,11-oda 100-108 linoleate 9S-lipoxygenase-4 Glycine max 7-19 7819206-3 1995 Ferric lipoxygenase also catalyzes the conversion of 12-bromo-cis-9-octadecenoic acid (12-BrODE) to 9,11-ODA at a rate that is less than 25% of that observed with 12-IODE. 12-Iodo-9-octadecenoic acid 163-170 linoleate 9S-lipoxygenase-4 Glycine max 7-19 7819206-4 1995 These elimination reactions cannot be detected with ferrous lipoxygenase or with lipoxygenase that has been inactivated by 5,8,11,14-eicosatetraynoic acid. 5,8,11,14-Eicosatetraynoic Acid 123-154 linoleate 9S-lipoxygenase-4 Glycine max 81-93 7947991-3 1994 plasma membranes exhibit a lipoxygenase activity with a pH optimum in the acidic (5.5-6.0) range and with a Km value of 200 microM for both linolenic and linoleic acids. linolenic 140-149 linoleate 9S-lipoxygenase-4 Glycine max 27-39 7989328-2 1994 The addition of water-soluble cosolvents in the reaction medium of type 1 soybean lipoxygenase can modify the selectivity of the enzyme in the hydroperoxide synthesis reaction. Water 16-21 linoleate 9S-lipoxygenase-4 Glycine max 82-94 7989328-2 1994 The addition of water-soluble cosolvents in the reaction medium of type 1 soybean lipoxygenase can modify the selectivity of the enzyme in the hydroperoxide synthesis reaction. Hydrogen Peroxide 143-156 linoleate 9S-lipoxygenase-4 Glycine max 82-94 7999759-6 1994 Oligonucleotide-directed mutagenesis was employed to modify residue 713 in lipoxygenase 3 which corresponds to asparagine-694 in the sequence of lipoxygenase 1. Oligonucleotides 0-15 linoleate 9S-lipoxygenase-4 Glycine max 75-87 7999759-6 1994 Oligonucleotide-directed mutagenesis was employed to modify residue 713 in lipoxygenase 3 which corresponds to asparagine-694 in the sequence of lipoxygenase 1. Asparagine 111-121 linoleate 9S-lipoxygenase-4 Glycine max 75-87 7999760-2 1994 The intensity of the 1s-->3d pre-edge transition of native iron(II) lipoxygenase is greater than what was found for six-coordinate high-spin iron(II) model complexes, but comparable to that of a five-coordinate model. ammonium ferrous sulfate 62-70 linoleate 9S-lipoxygenase-4 Glycine max 71-83 7999760-4 1994 The coordination of the iron(II) in native lipoxygenase changes when methanol (as low as 0.1%) or glycerol (20%) is added to the buffer prior to freezing. Iron 24-28 linoleate 9S-lipoxygenase-4 Glycine max 43-55 7999760-4 1994 The coordination of the iron(II) in native lipoxygenase changes when methanol (as low as 0.1%) or glycerol (20%) is added to the buffer prior to freezing. Methanol 69-77 linoleate 9S-lipoxygenase-4 Glycine max 43-55 7999760-4 1994 The coordination of the iron(II) in native lipoxygenase changes when methanol (as low as 0.1%) or glycerol (20%) is added to the buffer prior to freezing. Glycerol 98-106 linoleate 9S-lipoxygenase-4 Glycine max 43-55 7999760-9 1994 The iron coordination in iron(III) lipoxygenase is less affected by the presence of alcohols than is the site in the iron(II) enzyme. Iron 4-8 linoleate 9S-lipoxygenase-4 Glycine max 35-47 7999760-9 1994 The iron coordination in iron(III) lipoxygenase is less affected by the presence of alcohols than is the site in the iron(II) enzyme. Alcohols 84-92 linoleate 9S-lipoxygenase-4 Glycine max 35-47 7999760-9 1994 The iron coordination in iron(III) lipoxygenase is less affected by the presence of alcohols than is the site in the iron(II) enzyme. Iron 25-29 linoleate 9S-lipoxygenase-4 Glycine max 35-47 7947991-3 1994 plasma membranes exhibit a lipoxygenase activity with a pH optimum in the acidic (5.5-6.0) range and with a Km value of 200 microM for both linolenic and linoleic acids. Linoleic Acids 154-168 linoleate 9S-lipoxygenase-4 Glycine max 27-39 7947991-9 1994 The plasma membrane vesicles also show a lipoxygenase, active in the alkaline (9.0-9.5) range, inhibited by NDGA, SHAM and propyl gallate, stimulated by H2O2, but with a lower Km value (60 microM) and less sensitive to calcium stimulation than the acidic one. Masoprocol 108-112 linoleate 9S-lipoxygenase-4 Glycine max 41-53 7947748-1 1994 It has been proposed that catechols and other antioxidants inhibit lipoxygenase activity by reducing the active Fe3+ form of the enzyme [Kemal et al. Catechols 26-35 linoleate 9S-lipoxygenase-4 Glycine max 67-79 7947991-9 1994 The plasma membrane vesicles also show a lipoxygenase, active in the alkaline (9.0-9.5) range, inhibited by NDGA, SHAM and propyl gallate, stimulated by H2O2, but with a lower Km value (60 microM) and less sensitive to calcium stimulation than the acidic one. Propyl Gallate 123-137 linoleate 9S-lipoxygenase-4 Glycine max 41-53 7947748-1 1994 It has been proposed that catechols and other antioxidants inhibit lipoxygenase activity by reducing the active Fe3+ form of the enzyme [Kemal et al. ferric sulfate 112-116 linoleate 9S-lipoxygenase-4 Glycine max 67-79 7947748-3 1994 In this model, reductively inactivated lipoxygenase can be reactivated by reaction with the hydroperoxide product in a pseudoperoxidase reaction. Hydrogen Peroxide 92-105 linoleate 9S-lipoxygenase-4 Glycine max 39-51 7947991-9 1994 The plasma membrane vesicles also show a lipoxygenase, active in the alkaline (9.0-9.5) range, inhibited by NDGA, SHAM and propyl gallate, stimulated by H2O2, but with a lower Km value (60 microM) and less sensitive to calcium stimulation than the acidic one. Hydrogen Peroxide 153-157 linoleate 9S-lipoxygenase-4 Glycine max 41-53 7947748-8 1994 A rate equation for the lipoxygenase-catalyzed reaction in the presence of reducing agent was derived considering that the inhibition of the oxygenase reaction is the combined result of 13-HpODE consumption and formation of inactive Fe2+ enzyme due to occurrence of the pseudoperoxidase reaction. 13-hydroperoxy-9,11-octadecadienoic acid 186-194 linoleate 9S-lipoxygenase-4 Glycine max 24-36 7947991-9 1994 The plasma membrane vesicles also show a lipoxygenase, active in the alkaline (9.0-9.5) range, inhibited by NDGA, SHAM and propyl gallate, stimulated by H2O2, but with a lower Km value (60 microM) and less sensitive to calcium stimulation than the acidic one. Calcium 219-226 linoleate 9S-lipoxygenase-4 Glycine max 41-53 8188678-1 1994 Two types of 12-lipoxygenase that catalyze the transformation of arachidonic acid to 12(S)-hydroperoxyeicosatetraenoic acid (12-HPETE) have been previously classified into platelet-type and leukocyte-type categories. Arachidonic Acid 65-81 linoleate 9S-lipoxygenase-4 Glycine max 16-28 8090060-4 1994 Linoleic acid is converted by lipoxygenase to the corresponding hydroperoxide that oxidizes the F-acid, probably in a radical reaction, to form an unstable dioxoene compound. Linoleic Acid 0-13 linoleate 9S-lipoxygenase-4 Glycine max 30-42 8090060-4 1994 Linoleic acid is converted by lipoxygenase to the corresponding hydroperoxide that oxidizes the F-acid, probably in a radical reaction, to form an unstable dioxoene compound. Hydrogen Peroxide 64-77 linoleate 9S-lipoxygenase-4 Glycine max 30-42 8090060-4 1994 Linoleic acid is converted by lipoxygenase to the corresponding hydroperoxide that oxidizes the F-acid, probably in a radical reaction, to form an unstable dioxoene compound. Fatty Acids 96-102 linoleate 9S-lipoxygenase-4 Glycine max 30-42 8090060-4 1994 Linoleic acid is converted by lipoxygenase to the corresponding hydroperoxide that oxidizes the F-acid, probably in a radical reaction, to form an unstable dioxoene compound. dioxoene 156-164 linoleate 9S-lipoxygenase-4 Glycine max 30-42 8073088-4 1994 In this study, inhibition of prostaglandin synthetase (bovine seminal vesicular microsomes) by hydroxyachillin required concentrations more than twice those which inhibited soybean lipoxygenase (ED50 values = 10(-4) M and 2.6 x 10(-5) M, respectively). hydroxyachillin 95-110 linoleate 9S-lipoxygenase-4 Glycine max 181-193 7943384-1 1994 The accumulation of arachidonic acid and lipoxygenase metabolites of arachidonate occurs in ischemic-reperfused myocardium. Arachidonic Acid 69-81 linoleate 9S-lipoxygenase-4 Glycine max 41-53 7943384-4 1994 Although neither arachidonic acid nor lipoxygenase alone had any effects, arachidonic acid plus lipoxygenase induced an increase in the twitch amplitude associated with an increased intracellular Ca2+ concentration ([Ca2+]i) and irreversible hypercontracture. Arachidonic Acid 17-33 linoleate 9S-lipoxygenase-4 Glycine max 96-108 7943384-5 1994 Nordihydroguaiaretic acid, a lipoxygenase inhibitor, blocked these effects. Masoprocol 0-25 linoleate 9S-lipoxygenase-4 Glycine max 29-41 7943384-6 1994 Linolenic acid, which is also a lipoxygenase substrate, caused the same effects as arachidonic acid in the presence of lipoxygenase, whereas oleic and stearic acid, which do not function as lipoxygenase substrates, did not. alpha-Linolenic Acid 0-14 linoleate 9S-lipoxygenase-4 Glycine max 32-44 7943384-6 1994 Linolenic acid, which is also a lipoxygenase substrate, caused the same effects as arachidonic acid in the presence of lipoxygenase, whereas oleic and stearic acid, which do not function as lipoxygenase substrates, did not. Arachidonic Acid 83-99 linoleate 9S-lipoxygenase-4 Glycine max 32-44 7943384-6 1994 Linolenic acid, which is also a lipoxygenase substrate, caused the same effects as arachidonic acid in the presence of lipoxygenase, whereas oleic and stearic acid, which do not function as lipoxygenase substrates, did not. Arachidonic Acid 83-99 linoleate 9S-lipoxygenase-4 Glycine max 119-131 7943384-6 1994 Linolenic acid, which is also a lipoxygenase substrate, caused the same effects as arachidonic acid in the presence of lipoxygenase, whereas oleic and stearic acid, which do not function as lipoxygenase substrates, did not. Arachidonic Acid 83-99 linoleate 9S-lipoxygenase-4 Glycine max 119-131 7943384-6 1994 Linolenic acid, which is also a lipoxygenase substrate, caused the same effects as arachidonic acid in the presence of lipoxygenase, whereas oleic and stearic acid, which do not function as lipoxygenase substrates, did not. oleic 141-146 linoleate 9S-lipoxygenase-4 Glycine max 32-44 7943384-8 1994 These results suggest that lipoxygenase metabolites of arachidonic acid cause intracellular Ca2+ overload and cellular damage to cardiomyocytes, probably through augmentation of lipid peroxidation of the cell membranes by free radicals. Arachidonic Acid 55-71 linoleate 9S-lipoxygenase-4 Glycine max 27-39 7918597-0 1994 Superoxide generation by lipoxygenase in the presence of NADH and NADPH. Superoxides 0-10 linoleate 9S-lipoxygenase-4 Glycine max 25-37 7918597-0 1994 Superoxide generation by lipoxygenase in the presence of NADH and NADPH. NAD 57-61 linoleate 9S-lipoxygenase-4 Glycine max 25-37 7918597-0 1994 Superoxide generation by lipoxygenase in the presence of NADH and NADPH. NADP 66-71 linoleate 9S-lipoxygenase-4 Glycine max 25-37 7918597-1 1994 The ability of soybean lipoxygenase to mediate NAD(P)H oxidation and concomitant superoxide generation in the presence of linoleic acid was examined. Superoxides 81-91 linoleate 9S-lipoxygenase-4 Glycine max 23-35 7918597-1 1994 The ability of soybean lipoxygenase to mediate NAD(P)H oxidation and concomitant superoxide generation in the presence of linoleic acid was examined. Linoleic Acid 122-135 linoleate 9S-lipoxygenase-4 Glycine max 23-35 7918597-2 1994 At optimum pH of 8.3, lipoxygenase oxidized both NADH and NADPH in the presence of 700 microM linoleic acid. NAD 49-53 linoleate 9S-lipoxygenase-4 Glycine max 22-34 7918597-2 1994 At optimum pH of 8.3, lipoxygenase oxidized both NADH and NADPH in the presence of 700 microM linoleic acid. NADP 58-63 linoleate 9S-lipoxygenase-4 Glycine max 22-34 7918597-2 1994 At optimum pH of 8.3, lipoxygenase oxidized both NADH and NADPH in the presence of 700 microM linoleic acid. Linoleic Acid 94-107 linoleate 9S-lipoxygenase-4 Glycine max 22-34 7918597-11 1994 These results strongly suggest that lipoxygenase not only generates lipid hydroperoxides but can also generate superoxide via oxidation of pyridine nucleotides and may, therefore, significantly contribute to oxidative stress in cells. Lipid Peroxides 68-88 linoleate 9S-lipoxygenase-4 Glycine max 36-48 7918597-11 1994 These results strongly suggest that lipoxygenase not only generates lipid hydroperoxides but can also generate superoxide via oxidation of pyridine nucleotides and may, therefore, significantly contribute to oxidative stress in cells. Superoxides 111-121 linoleate 9S-lipoxygenase-4 Glycine max 36-48 7918597-11 1994 These results strongly suggest that lipoxygenase not only generates lipid hydroperoxides but can also generate superoxide via oxidation of pyridine nucleotides and may, therefore, significantly contribute to oxidative stress in cells. pyridine nucleotides 139-159 linoleate 9S-lipoxygenase-4 Glycine max 36-48 7918601-0 1994 Lipoxygenase-catalyzed oxidation of chlorpromazine by hydrogen peroxide at acidic pH. Chlorpromazine 36-50 linoleate 9S-lipoxygenase-4 Glycine max 0-12 7918601-0 1994 Lipoxygenase-catalyzed oxidation of chlorpromazine by hydrogen peroxide at acidic pH. Hydrogen Peroxide 54-71 linoleate 9S-lipoxygenase-4 Glycine max 0-12 7918601-1 1994 The hydroperoxidase activity of soybean lipoxygenase, a non-heme protein, oxidizes chlorpromazine using H2O2 at acidic pHs ranging from 3.0 to 4.0. Chlorpromazine 83-97 linoleate 9S-lipoxygenase-4 Glycine max 40-52 7918601-1 1994 The hydroperoxidase activity of soybean lipoxygenase, a non-heme protein, oxidizes chlorpromazine using H2O2 at acidic pHs ranging from 3.0 to 4.0. Hydrogen Peroxide 104-108 linoleate 9S-lipoxygenase-4 Glycine max 40-52 7918601-7 1994 The radical cation obtained in the oxidation of chlorpromazine by lipoxygenase decays by a disproportionation reaction. Chlorpromazine 48-62 linoleate 9S-lipoxygenase-4 Glycine max 66-78 8073088-3 1994 In the experimental models in vitro, hydroxyachillin has been reported to be a dual inhibitor of cyclooxygenase and soybean lipoxygenase. hydroxyachillin 37-52 linoleate 9S-lipoxygenase-4 Glycine max 124-136 8188678-1 1994 Two types of 12-lipoxygenase that catalyze the transformation of arachidonic acid to 12(S)-hydroperoxyeicosatetraenoic acid (12-HPETE) have been previously classified into platelet-type and leukocyte-type categories. 12(s)-hydroperoxyeicosatetraenoic acid 85-123 linoleate 9S-lipoxygenase-4 Glycine max 16-28 8188678-7 1994 Mutagenesis and deletion of the highly conserved lipoxygenase C-terminal isoleucine (Ile663), a residue believed to be involved in the non-heme iron atom coordination of all lipoxygenases, was performed. Isoleucine 73-83 linoleate 9S-lipoxygenase-4 Glycine max 49-61 8188678-7 1994 Mutagenesis and deletion of the highly conserved lipoxygenase C-terminal isoleucine (Ile663), a residue believed to be involved in the non-heme iron atom coordination of all lipoxygenases, was performed. Heme 139-143 linoleate 9S-lipoxygenase-4 Glycine max 49-61 8188678-7 1994 Mutagenesis and deletion of the highly conserved lipoxygenase C-terminal isoleucine (Ile663), a residue believed to be involved in the non-heme iron atom coordination of all lipoxygenases, was performed. Iron 144-148 linoleate 9S-lipoxygenase-4 Glycine max 49-61 8188678-10 1994 These findings would tend to indicate a stringent requirement for the proper spatial alignment and folding of the C-terminal chain back into the core of the enzyme to interact with the iron atom by analogy with the recently determined crystal structure of a soybean lipoxygenase (Boyington, J. C., Gaffney, B. J., and Amzel, L. M. (1993) Science 260, 1482-1486). Iron 185-189 linoleate 9S-lipoxygenase-4 Glycine max 266-278 8218349-0 1993 Lipoxygenase in soybean seedlings catalyzes the oxygenation of phospholipid and such activity changes after treatment with fungal elicitor. Phospholipids 63-75 linoleate 9S-lipoxygenase-4 Glycine max 0-12 8166703-0 1994 Lipoxygenase-catalyzed oxidation of catecholamines. Catecholamines 36-50 linoleate 9S-lipoxygenase-4 Glycine max 0-12 8166703-1 1994 Dopa and structurally related catecholamines in presence of hydrogen peroxide are oxidized in vitro by soybean lipoxygenase producing the corresponding melanin pigments. Dihydroxyphenylalanine 0-4 linoleate 9S-lipoxygenase-4 Glycine max 111-123 8166703-1 1994 Dopa and structurally related catecholamines in presence of hydrogen peroxide are oxidized in vitro by soybean lipoxygenase producing the corresponding melanin pigments. Catecholamines 30-44 linoleate 9S-lipoxygenase-4 Glycine max 111-123 8166703-1 1994 Dopa and structurally related catecholamines in presence of hydrogen peroxide are oxidized in vitro by soybean lipoxygenase producing the corresponding melanin pigments. Hydrogen Peroxide 60-77 linoleate 9S-lipoxygenase-4 Glycine max 111-123 8166703-1 1994 Dopa and structurally related catecholamines in presence of hydrogen peroxide are oxidized in vitro by soybean lipoxygenase producing the corresponding melanin pigments. Melanins 152-159 linoleate 9S-lipoxygenase-4 Glycine max 111-123 7922137-2 1994 In harmony with our studies on the activation of hydrocarbons by Gif chemistry, we have, in the first part of this paper, studied the mechanism of the lipoxygenase enzymes using soybean lipoxygenase as a model. Hydrocarbons 49-61 linoleate 9S-lipoxygenase-4 Glycine max 151-163 8177015-1 1994 In many studies on lipoxygenase catalysis, nonionic detergents are used to obtain an optically transparent solution of the fatty acid substrate. Fatty Acids 123-133 linoleate 9S-lipoxygenase-4 Glycine max 19-31 8177015-3 1994 However, at high linoleate concentrations, where substrate inhibition of lipoxygenase is significant, small amounts of detergent increased the dioxygenation rate. Linoleic Acid 17-26 linoleate 9S-lipoxygenase-4 Glycine max 73-85 8177015-6 1994 The conclusions that monomeric, nonmicellar linoleate is the preferred substrate for lipoxygenase and that the observed inhibition and stimulation are solely due to changes in the effective linoleate concentration strongly corroborate the earlier observations by Galpin and Allen [Biochim. Linoleic Acid 44-53 linoleate 9S-lipoxygenase-4 Glycine max 85-97 8033289-1 1994 The interaction of furan fatty acids (F-acids) with lipoxygenase was investigated by incubation experiments of a synthetic dialkyl-substituted F-acid with soybean lipoxygenase-1. furan fatty acids 19-36 linoleate 9S-lipoxygenase-4 Glycine max 52-64 8033289-1 1994 The interaction of furan fatty acids (F-acids) with lipoxygenase was investigated by incubation experiments of a synthetic dialkyl-substituted F-acid with soybean lipoxygenase-1. Fatty Acids 38-45 linoleate 9S-lipoxygenase-4 Glycine max 52-64 8033289-1 1994 The interaction of furan fatty acids (F-acids) with lipoxygenase was investigated by incubation experiments of a synthetic dialkyl-substituted F-acid with soybean lipoxygenase-1. dialkyl-substituted f-acid 123-149 linoleate 9S-lipoxygenase-4 Glycine max 52-64 8033289-2 1994 Originally the oxidation of furan fatty acids was assumed to be directly effected by lipoxygenase. furan fatty acids 28-45 linoleate 9S-lipoxygenase-4 Glycine max 85-97 8033289-3 1994 It is now demonstrated that this reaction is a two-step process that requires the presence of lipoxygenase substrates, e.g. linoleic acid. Linoleic Acid 124-137 linoleate 9S-lipoxygenase-4 Glycine max 94-106 8142401-3 1994 In reactions started with 1.3 microM iron (II) lipoxygenase and 9 microM linoleate, the initial rate, r(init) (estimated from the increase in absorbance over the initial 0.02 s of the reaction), is very small (4 s-1). Linoleic Acid 73-82 linoleate 9S-lipoxygenase-4 Glycine max 47-59 8142401-5 1994 In reactions started with mixtures of iron(II) and iron(III) lipoxygenase, r(init) is linearly related to the initial concentration of the Fe (III) enzyme form. Iron 38-42 linoleate 9S-lipoxygenase-4 Glycine max 61-73 8142401-5 1994 In reactions started with mixtures of iron(II) and iron(III) lipoxygenase, r(init) is linearly related to the initial concentration of the Fe (III) enzyme form. fe (iii) 139-147 linoleate 9S-lipoxygenase-4 Glycine max 61-73 8142401-7 1994 The observations provide solid evidence for the hypothesis that only iron (III) lipoxygenase can catalyze the hydrogen abstraction step in the dioxygenation reaction, and thus can be regarded as the active enzyme species. Hydrogen 110-118 linoleate 9S-lipoxygenase-4 Glycine max 80-92 8218349-1 1993 Lipoxygenase (LOX) activities in the crude extracts of soybean cotyledons on phospholipid were measured by a chemiluminescence (CL) assay system. Phospholipids 77-89 linoleate 9S-lipoxygenase-4 Glycine max 0-12 8218349-1 1993 Lipoxygenase (LOX) activities in the crude extracts of soybean cotyledons on phospholipid were measured by a chemiluminescence (CL) assay system. Phospholipids 77-89 linoleate 9S-lipoxygenase-4 Glycine max 14-17 8218349-2 1993 The activity of LOX on phospholipid increased at 6 h after treatment with fungal elicitor, whereas the activity in the control experiment without elicitor treatment declined with incubation. Phospholipids 23-35 linoleate 9S-lipoxygenase-4 Glycine max 16-19 8218349-4 1993 The LOX fraction obtained from soybean cotyledons at 6 h after elicitation by a DEAE column chromatography was reacted with 1-palmitoyl-2-linoleoyl-phosphatidylcholine substrate. 2-diethylaminoethanol 80-84 linoleate 9S-lipoxygenase-4 Glycine max 4-7 8218349-4 1993 The LOX fraction obtained from soybean cotyledons at 6 h after elicitation by a DEAE column chromatography was reacted with 1-palmitoyl-2-linoleoyl-phosphatidylcholine substrate. 1-palmitoyl-2-linoleoylphosphatidylcholine 124-167 linoleate 9S-lipoxygenase-4 Glycine max 4-7 8364403-6 1993 When bovine rumen fluid was used as a source of carotenoid for in vitro studies with preparations of lipoxygenase, a rapid decrease in carotenoid and chlorophyll concentrations was observed, again requiring the addition of linoleic acid. Carotenoids 48-58 linoleate 9S-lipoxygenase-4 Glycine max 101-113 24248580-0 1993 Lipoxygenase-derived aldehydes inhibit fungi pathogenic on soybean. Aldehydes 21-30 linoleate 9S-lipoxygenase-4 Glycine max 0-12 24248580-1 1993 Several unsaturated aldehydes are produced from polyunsaturated fatty acids via the lipoxygenase pathway when soybean (Glycine max) plants are wounded mechanically or by pathogens. unsaturated aldehydes 8-29 linoleate 9S-lipoxygenase-4 Glycine max 84-96 24248580-1 1993 Several unsaturated aldehydes are produced from polyunsaturated fatty acids via the lipoxygenase pathway when soybean (Glycine max) plants are wounded mechanically or by pathogens. Fatty Acids, Unsaturated 48-75 linoleate 9S-lipoxygenase-4 Glycine max 84-96 8347579-6 1993 The integrated steady-state rate equation for the single fatty acid binding site model of lipoxygenase catalysis [Schilstra et al. Fatty Acids 57-67 linoleate 9S-lipoxygenase-4 Glycine max 90-102 8347579-10 1993 From a nonlinear least-squares fit to the steady-state rate equation of data obtained at lipoxygenase concentrations of 0.5 and 1 nM, it was calculated that 1% of the linoleate radicals that are formed after hydrogen abstraction dissociate from the active site before enzymic oxygen insertion has occurred. Linoleic Acid 167-176 linoleate 9S-lipoxygenase-4 Glycine max 89-101 8347579-10 1993 From a nonlinear least-squares fit to the steady-state rate equation of data obtained at lipoxygenase concentrations of 0.5 and 1 nM, it was calculated that 1% of the linoleate radicals that are formed after hydrogen abstraction dissociate from the active site before enzymic oxygen insertion has occurred. Hydrogen 208-216 linoleate 9S-lipoxygenase-4 Glycine max 89-101 8364403-6 1993 When bovine rumen fluid was used as a source of carotenoid for in vitro studies with preparations of lipoxygenase, a rapid decrease in carotenoid and chlorophyll concentrations was observed, again requiring the addition of linoleic acid. Carotenoids 135-145 linoleate 9S-lipoxygenase-4 Glycine max 101-113 8364403-6 1993 When bovine rumen fluid was used as a source of carotenoid for in vitro studies with preparations of lipoxygenase, a rapid decrease in carotenoid and chlorophyll concentrations was observed, again requiring the addition of linoleic acid. Chlorophyll 150-161 linoleate 9S-lipoxygenase-4 Glycine max 101-113 8364403-6 1993 When bovine rumen fluid was used as a source of carotenoid for in vitro studies with preparations of lipoxygenase, a rapid decrease in carotenoid and chlorophyll concentrations was observed, again requiring the addition of linoleic acid. Linoleic Acid 223-236 linoleate 9S-lipoxygenase-4 Glycine max 101-113 8364403-9 1993 The inclusion of dietary sources of lipoxygenase may be an effective method for controlling carotenoid uptake in certain ruminant species. Carotenoids 92-102 linoleate 9S-lipoxygenase-4 Glycine max 36-48 8431429-1 1993 We have measured, under identical conditions, the time courses for the native lipoxygenase (Fe2+ form)-catalyzed conversion of linoleic acid into 13-hydroperoxy-9,11-octadecadienoic acid (HPOD) and the oxidation of the Fe2+ form of enzyme to the Fe3+ form (in 0.1 M borate buffer, pH 10.0, at 25 degrees C) using a stopped-flow spectrophoto/fluorometer. ammonium ferrous sulfate 92-96 linoleate 9S-lipoxygenase-4 Glycine max 78-90 8481396-0 1993 The interaction between beta-carotene and lipoxygenase in plant and animal systems. beta Carotene 24-37 linoleate 9S-lipoxygenase-4 Glycine max 42-54 8481396-1 1993 The effect of beta-carotene (BC) on the activity of lipoxygenase (LOX) from plant and animal sources has been examined. beta Carotene 14-27 linoleate 9S-lipoxygenase-4 Glycine max 52-64 8481396-1 1993 The effect of beta-carotene (BC) on the activity of lipoxygenase (LOX) from plant and animal sources has been examined. beta Carotene 14-27 linoleate 9S-lipoxygenase-4 Glycine max 66-69 8481396-1 1993 The effect of beta-carotene (BC) on the activity of lipoxygenase (LOX) from plant and animal sources has been examined. beta Carotene 29-31 linoleate 9S-lipoxygenase-4 Glycine max 52-64 8481396-1 1993 The effect of beta-carotene (BC) on the activity of lipoxygenase (LOX) from plant and animal sources has been examined. beta Carotene 29-31 linoleate 9S-lipoxygenase-4 Glycine max 66-69 8481396-2 1993 Soybean lipoxygenase L-2 activity towards linoleate was inhibited by BC by a maximum of 70% at pH 6.5, whereas L-1 activity was little affected at pH 9.0. Linoleic Acid 42-51 linoleate 9S-lipoxygenase-4 Glycine max 8-20 8481396-3 1993 Lineweaver-Burk plots indicated that BC inhibited LOX activity by mixed competitive/non-competitive mechanisms. beta Carotene 37-39 linoleate 9S-lipoxygenase-4 Glycine max 50-53 8481396-4 1993 Other hydrophobic compounds also inhibited LOX activity; oleic acid and retinol were competitive inhibitors whereas tocopherol acetate and 5,8,11,14-eicosatetraynoic acid (ETYA) were non-competitive inhibitors. Oleic Acid 57-67 linoleate 9S-lipoxygenase-4 Glycine max 43-46 8481396-4 1993 Other hydrophobic compounds also inhibited LOX activity; oleic acid and retinol were competitive inhibitors whereas tocopherol acetate and 5,8,11,14-eicosatetraynoic acid (ETYA) were non-competitive inhibitors. Vitamin A 72-79 linoleate 9S-lipoxygenase-4 Glycine max 43-46 8481396-4 1993 Other hydrophobic compounds also inhibited LOX activity; oleic acid and retinol were competitive inhibitors whereas tocopherol acetate and 5,8,11,14-eicosatetraynoic acid (ETYA) were non-competitive inhibitors. alpha-Tocopherol 116-134 linoleate 9S-lipoxygenase-4 Glycine max 43-46 8481396-4 1993 Other hydrophobic compounds also inhibited LOX activity; oleic acid and retinol were competitive inhibitors whereas tocopherol acetate and 5,8,11,14-eicosatetraynoic acid (ETYA) were non-competitive inhibitors. 5,8,11,14-Eicosatetraynoic Acid 139-170 linoleate 9S-lipoxygenase-4 Glycine max 43-46 8481396-4 1993 Other hydrophobic compounds also inhibited LOX activity; oleic acid and retinol were competitive inhibitors whereas tocopherol acetate and 5,8,11,14-eicosatetraynoic acid (ETYA) were non-competitive inhibitors. 5,8,11,14-Eicosatetraynoic Acid 172-176 linoleate 9S-lipoxygenase-4 Glycine max 43-46 8481396-5 1993 Binding studies with L-2 LOX bound to Sepharose indicated BC-binding and inhibition with the immobilized LOX. Sepharose 38-47 linoleate 9S-lipoxygenase-4 Glycine max 25-28 8481396-5 1993 Binding studies with L-2 LOX bound to Sepharose indicated BC-binding and inhibition with the immobilized LOX. Sepharose 38-47 linoleate 9S-lipoxygenase-4 Glycine max 105-108 8481396-6 1993 Activity of LOX from animal sources was also inhibited by BC both towards linoleate and arachidonate. Linoleic Acid 74-83 linoleate 9S-lipoxygenase-4 Glycine max 12-15 8481396-6 1993 Activity of LOX from animal sources was also inhibited by BC both towards linoleate and arachidonate. Arachidonic Acid 88-100 linoleate 9S-lipoxygenase-4 Glycine max 12-15 8507674-7 1993 Using this method the structures of epoxy, hydroxy derivatives of 4,7,10,13,16,19-docosahexaenoic acid (22:6w3) formed by soybean lipoxygenase were determined. Docosahexaenoic Acids 66-102 linoleate 9S-lipoxygenase-4 Glycine max 130-142 8464355-0 1993 Simultaneous determination of the main molecular species of soybean phosphatidylcholine or phosphatidylethanolamine and their corresponding hydroperoxides obtained by lipoxygenase treatment. Phosphatidylcholines 68-87 linoleate 9S-lipoxygenase-4 Glycine max 167-179 8464355-0 1993 Simultaneous determination of the main molecular species of soybean phosphatidylcholine or phosphatidylethanolamine and their corresponding hydroperoxides obtained by lipoxygenase treatment. phosphatidylethanolamine 91-115 linoleate 9S-lipoxygenase-4 Glycine max 167-179 8464355-0 1993 Simultaneous determination of the main molecular species of soybean phosphatidylcholine or phosphatidylethanolamine and their corresponding hydroperoxides obtained by lipoxygenase treatment. Hydrogen Peroxide 140-154 linoleate 9S-lipoxygenase-4 Glycine max 167-179 8464355-2 1993 Hydroperoxides were formed by incubation of phospholipids with lipoxygenase at pH 9.2. Hydrogen Peroxide 0-14 linoleate 9S-lipoxygenase-4 Glycine max 63-75 8464355-2 1993 Hydroperoxides were formed by incubation of phospholipids with lipoxygenase at pH 9.2. Phospholipids 44-57 linoleate 9S-lipoxygenase-4 Glycine max 63-75 8431429-1 1993 We have measured, under identical conditions, the time courses for the native lipoxygenase (Fe2+ form)-catalyzed conversion of linoleic acid into 13-hydroperoxy-9,11-octadecadienoic acid (HPOD) and the oxidation of the Fe2+ form of enzyme to the Fe3+ form (in 0.1 M borate buffer, pH 10.0, at 25 degrees C) using a stopped-flow spectrophoto/fluorometer. Linoleic Acid 127-140 linoleate 9S-lipoxygenase-4 Glycine max 78-90 8431429-1 1993 We have measured, under identical conditions, the time courses for the native lipoxygenase (Fe2+ form)-catalyzed conversion of linoleic acid into 13-hydroperoxy-9,11-octadecadienoic acid (HPOD) and the oxidation of the Fe2+ form of enzyme to the Fe3+ form (in 0.1 M borate buffer, pH 10.0, at 25 degrees C) using a stopped-flow spectrophoto/fluorometer. 13-hydroperoxy-9,11-octadecadienoic acid 146-186 linoleate 9S-lipoxygenase-4 Glycine max 78-90 8431429-1 1993 We have measured, under identical conditions, the time courses for the native lipoxygenase (Fe2+ form)-catalyzed conversion of linoleic acid into 13-hydroperoxy-9,11-octadecadienoic acid (HPOD) and the oxidation of the Fe2+ form of enzyme to the Fe3+ form (in 0.1 M borate buffer, pH 10.0, at 25 degrees C) using a stopped-flow spectrophoto/fluorometer. 13-hydroperoxy-9,11-octadecadienoic acid 188-192 linoleate 9S-lipoxygenase-4 Glycine max 78-90 8431429-1 1993 We have measured, under identical conditions, the time courses for the native lipoxygenase (Fe2+ form)-catalyzed conversion of linoleic acid into 13-hydroperoxy-9,11-octadecadienoic acid (HPOD) and the oxidation of the Fe2+ form of enzyme to the Fe3+ form (in 0.1 M borate buffer, pH 10.0, at 25 degrees C) using a stopped-flow spectrophoto/fluorometer. ammonium ferrous sulfate 219-223 linoleate 9S-lipoxygenase-4 Glycine max 78-90 8431429-1 1993 We have measured, under identical conditions, the time courses for the native lipoxygenase (Fe2+ form)-catalyzed conversion of linoleic acid into 13-hydroperoxy-9,11-octadecadienoic acid (HPOD) and the oxidation of the Fe2+ form of enzyme to the Fe3+ form (in 0.1 M borate buffer, pH 10.0, at 25 degrees C) using a stopped-flow spectrophoto/fluorometer. ferric sulfate 246-250 linoleate 9S-lipoxygenase-4 Glycine max 78-90 8431429-1 1993 We have measured, under identical conditions, the time courses for the native lipoxygenase (Fe2+ form)-catalyzed conversion of linoleic acid into 13-hydroperoxy-9,11-octadecadienoic acid (HPOD) and the oxidation of the Fe2+ form of enzyme to the Fe3+ form (in 0.1 M borate buffer, pH 10.0, at 25 degrees C) using a stopped-flow spectrophoto/fluorometer. Borates 266-272 linoleate 9S-lipoxygenase-4 Glycine max 78-90 27280998-0 1993 Synthesis of (+)-Turmeronol A, an Inhibitor of Soybean Lipoxygenase, and (+)-ar-Turmerone. (+)-turmeronol a 13-29 linoleate 9S-lipoxygenase-4 Glycine max 55-67 16652980-6 1992 Electron microscopy of the methyl jasmonate-responsive lipoxygenase protein in the vacuoles showed that it was arranged into a stellate, paracrystalline structure in various cell types other than the paraveinal mesophyll cells. methyl jasmonate 27-43 linoleate 9S-lipoxygenase-4 Glycine max 55-67 16653005-9 1992 In the in vivo lipoxygenase substrate pool, the linoleic acid level declined and the relative level of linolenic acid increased. Linoleic Acid 48-61 linoleate 9S-lipoxygenase-4 Glycine max 15-27 16652980-0 1992 Expression, activity, and cellular accumulation of methyl jasmonate-responsive lipoxygenase in soybean seedlings. methyl jasmonate 51-67 linoleate 9S-lipoxygenase-4 Glycine max 79-91 16653005-9 1992 In the in vivo lipoxygenase substrate pool, the linoleic acid level declined and the relative level of linolenic acid increased. alpha-Linolenic Acid 103-117 linoleate 9S-lipoxygenase-4 Glycine max 15-27 16652980-1 1992 Exposure of soybean (Glycine max) seedlings to low levels of atmospheric methyl jasmonate induced the expression and accumulation of one or more lipoxygenase(s) in the primary leaves, hypocotyls, epicotyls, and cotyledons. methyl jasmonate 73-89 linoleate 9S-lipoxygenase-4 Glycine max 145-157 16652980-2 1992 In the primary leaf, the major site of lipoxygenase accumulation in response to methyl jasmonate was in the vacuoles of paraveinal mesophyll cells. methyl jasmonate 80-96 linoleate 9S-lipoxygenase-4 Glycine max 39-51 1510955-0 1992 Effect of lipid hydroperoxide on lipoxygenase kinetics. Lipid Peroxides 10-29 linoleate 9S-lipoxygenase-4 Glycine max 33-45 16652980-5 1992 Both spectrophotometric measurement of conjugated diene formation and thin layer chromatography of lipoxygenase product formation indicated that methyl jasmonate caused an increase in the amount of lipoxygenase activity. diene 50-55 linoleate 9S-lipoxygenase-4 Glycine max 198-210 16652980-5 1992 Both spectrophotometric measurement of conjugated diene formation and thin layer chromatography of lipoxygenase product formation indicated that methyl jasmonate caused an increase in the amount of lipoxygenase activity. methyl jasmonate 145-161 linoleate 9S-lipoxygenase-4 Glycine max 99-111 16652980-5 1992 Both spectrophotometric measurement of conjugated diene formation and thin layer chromatography of lipoxygenase product formation indicated that methyl jasmonate caused an increase in the amount of lipoxygenase activity. methyl jasmonate 145-161 linoleate 9S-lipoxygenase-4 Glycine max 198-210 1510955-2 1992 The following observations were made: (1) Iron(II) and iron(III) lipoxygenases are kinetically different: reactions started with the Fe(II) enzyme form show a lag phase, whereas iron(III) lipoxygenase induces an initial burst. ammonium ferrous sulfate 133-139 linoleate 9S-lipoxygenase-4 Glycine max 65-77 1579592-5 1992 To investigate the potential significance of these reactions to biological systems, we have used soybean lipoxygenase to generate peroxyl radical enzymatically. perhydroxyl radical 130-145 linoleate 9S-lipoxygenase-4 Glycine max 105-117 1579592-6 1992 beta-Carotene inhibits the oxidation of linoleic acid by soybean lipoxygenase as well as the formation of the hydroperoxide product. beta Carotene 0-13 linoleate 9S-lipoxygenase-4 Glycine max 65-77 1579592-6 1992 beta-Carotene inhibits the oxidation of linoleic acid by soybean lipoxygenase as well as the formation of the hydroperoxide product. Linoleic Acid 40-53 linoleate 9S-lipoxygenase-4 Glycine max 65-77 1579592-7 1992 In addition, the absorption of beta-carotene is diminished (bleached) by soybean lipoxygenase. beta Carotene 31-44 linoleate 9S-lipoxygenase-4 Glycine max 81-93 1315759-0 1992 Nitroxide metabolites from alkylhydroxylamines and N-hydroxyurea derivatives resulting from reductive inhibition of soybean lipoxygenase. Hydroxylamine 0-9 linoleate 9S-lipoxygenase-4 Glycine max 124-136 1315759-0 1992 Nitroxide metabolites from alkylhydroxylamines and N-hydroxyurea derivatives resulting from reductive inhibition of soybean lipoxygenase. alkylhydroxylamines 27-46 linoleate 9S-lipoxygenase-4 Glycine max 124-136 1315759-2 1992 Recent studies have shown that compounds containing the hydroxamate moiety are potent inhibitors of lipoxygenase. hydroxamate 56-67 linoleate 9S-lipoxygenase-4 Glycine max 100-112 1315759-0 1992 Nitroxide metabolites from alkylhydroxylamines and N-hydroxyurea derivatives resulting from reductive inhibition of soybean lipoxygenase. Hydroxyurea 51-64 linoleate 9S-lipoxygenase-4 Glycine max 124-136 1315759-5 1992 It is consistently found that the selected NOH-containing compounds, e.g. alkylhydroxylamines or N-hydroxyureas, are also oxidized by lipoxygenase to form their corresponding nitroxides. 2-amino-5-chlorobenzophenone N-hydroxyamidinohydrazone 43-46 linoleate 9S-lipoxygenase-4 Glycine max 134-146 1315759-1 1992 One proposed mechanism of the inactivation of lipoxygenase by inhibitors is the reduction of the catalytically active ferric form of the enzyme to its ferrous form. Ferric enterobactin ion 118-124 linoleate 9S-lipoxygenase-4 Glycine max 46-58 1315759-5 1992 It is consistently found that the selected NOH-containing compounds, e.g. alkylhydroxylamines or N-hydroxyureas, are also oxidized by lipoxygenase to form their corresponding nitroxides. alkylhydroxylamines 74-93 linoleate 9S-lipoxygenase-4 Glycine max 134-146 1766441-0 1991 Lipoxygenase gene expression is modulated in plants by water deficit, wounding, and methyl jasmonate. methyl jasmonate 84-100 linoleate 9S-lipoxygenase-4 Glycine max 0-12 1315759-5 1992 It is consistently found that the selected NOH-containing compounds, e.g. alkylhydroxylamines or N-hydroxyureas, are also oxidized by lipoxygenase to form their corresponding nitroxides. Hydroxyurea 97-111 linoleate 9S-lipoxygenase-4 Glycine max 134-146 1315759-5 1992 It is consistently found that the selected NOH-containing compounds, e.g. alkylhydroxylamines or N-hydroxyureas, are also oxidized by lipoxygenase to form their corresponding nitroxides. Hydroxylamine 175-185 linoleate 9S-lipoxygenase-4 Glycine max 134-146 1576704-3 1992 The results demonstrated that both purified soybean lipoxygenase and guinea-pig tissue cytosolic lipoxygenases were able to activate AFB1 to form [3H]AFB1-DNA adduct(s). Tritium 147-149 linoleate 9S-lipoxygenase-4 Glycine max 52-64 1576704-4 1992 The reaction was completely inhibited by nordihydroguaiaretic acid (NDGA, 0.1 mM), a lipoxygenase inhibitor and an antioxidant, but not by indomethacin (0.1 mM), an inhibitor of prostaglandin H synthase (PHS), indicating that this reaction is associated with lipoxygenase activity, and/or is involved in a peroxyl radical process. Masoprocol 41-66 linoleate 9S-lipoxygenase-4 Glycine max 85-97 1576704-4 1992 The reaction was completely inhibited by nordihydroguaiaretic acid (NDGA, 0.1 mM), a lipoxygenase inhibitor and an antioxidant, but not by indomethacin (0.1 mM), an inhibitor of prostaglandin H synthase (PHS), indicating that this reaction is associated with lipoxygenase activity, and/or is involved in a peroxyl radical process. Masoprocol 41-66 linoleate 9S-lipoxygenase-4 Glycine max 259-271 1576704-4 1992 The reaction was completely inhibited by nordihydroguaiaretic acid (NDGA, 0.1 mM), a lipoxygenase inhibitor and an antioxidant, but not by indomethacin (0.1 mM), an inhibitor of prostaglandin H synthase (PHS), indicating that this reaction is associated with lipoxygenase activity, and/or is involved in a peroxyl radical process. Masoprocol 68-72 linoleate 9S-lipoxygenase-4 Glycine max 85-97 1576704-4 1992 The reaction was completely inhibited by nordihydroguaiaretic acid (NDGA, 0.1 mM), a lipoxygenase inhibitor and an antioxidant, but not by indomethacin (0.1 mM), an inhibitor of prostaglandin H synthase (PHS), indicating that this reaction is associated with lipoxygenase activity, and/or is involved in a peroxyl radical process. Masoprocol 68-72 linoleate 9S-lipoxygenase-4 Glycine max 259-271 1576704-15 1992 When expressed per gram of tissue, renal and hepatic PHS activities and renal lipoxygenase activities for AFB1 activation were similar, and higher than the activity of pulmonary PHS, while pulmonary PHS activity for the oxidation of N,N,N",N"-tetramethyl-p-phenylenediamine (TMPD) was similar to that in liver and lower than that in kidney. Aflatoxin B1 106-110 linoleate 9S-lipoxygenase-4 Glycine max 78-90 1312396-0 1992 Isolation and characterization of the initial radical adduct formed from linoleic acid and alpha-(4-pyridyl 1-oxide)-N-tert-butylnitrone in the presence of soybean lipoxygenase. Linoleic Acid 73-86 linoleate 9S-lipoxygenase-4 Glycine max 164-176 1312396-0 1992 Isolation and characterization of the initial radical adduct formed from linoleic acid and alpha-(4-pyridyl 1-oxide)-N-tert-butylnitrone in the presence of soybean lipoxygenase. alpha-(4-pyridyl-1-oxide)-N-tert-butylnitrone 91-136 linoleate 9S-lipoxygenase-4 Glycine max 164-176 1312396-1 1992 The spin trapping agent alpha-(4-pyridyl-1-oxide)-N-tert-butylnitrone (POBN) was used to trap the initial radical formed from [U-14C]linoleic acid in the reaction with soybean lipoxygenase. alpha-(4-pyridyl-1-oxide)-N-tert-butylnitrone 24-69 linoleate 9S-lipoxygenase-4 Glycine max 176-188 1312396-1 1992 The spin trapping agent alpha-(4-pyridyl-1-oxide)-N-tert-butylnitrone (POBN) was used to trap the initial radical formed from [U-14C]linoleic acid in the reaction with soybean lipoxygenase. alpha-(4-pyridyl-1-oxide)-N-tert-butylnitrone 71-75 linoleate 9S-lipoxygenase-4 Glycine max 176-188 1312396-1 1992 The spin trapping agent alpha-(4-pyridyl-1-oxide)-N-tert-butylnitrone (POBN) was used to trap the initial radical formed from [U-14C]linoleic acid in the reaction with soybean lipoxygenase. [u-14c]linoleic acid 126-146 linoleate 9S-lipoxygenase-4 Glycine max 176-188 1312396-8 1992 The trapped linoleoyl radical adduct provides evidence for the production of a free radical as part of the enzymatic mechanism of soybean lipoxygenase. linoleoyl radical 12-29 linoleate 9S-lipoxygenase-4 Glycine max 138-150 1312396-8 1992 The trapped linoleoyl radical adduct provides evidence for the production of a free radical as part of the enzymatic mechanism of soybean lipoxygenase. Free Radicals 79-91 linoleate 9S-lipoxygenase-4 Glycine max 138-150 1544449-0 1992 A lipoxygenase is the main lipid body protein in cucumber and soybean cotyledons during the stage of triglyceride mobilization. Triglycerides 101-113 linoleate 9S-lipoxygenase-4 Glycine max 2-14 16668631-4 1992 Lipoxygenases L-5 and L-6 preferentially produced 13(S)-hydroperoxy-9(Z), 11(E)-octadecadienoic acid (13S-HPOD) as a reaction product of linoleic acid, whereas lipoxygenase L-4 produced both 13S-HPOD and 9(S)-hydroperoxy-10(E), 12(Z)-octadecadienoic acid. 13s-hpod 102-110 linoleate 9S-lipoxygenase-4 Glycine max 160-172 16668631-4 1992 Lipoxygenases L-5 and L-6 preferentially produced 13(S)-hydroperoxy-9(Z), 11(E)-octadecadienoic acid (13S-HPOD) as a reaction product of linoleic acid, whereas lipoxygenase L-4 produced both 13S-HPOD and 9(S)-hydroperoxy-10(E), 12(Z)-octadecadienoic acid. 13s-hpod 102-110 linoleate 9S-lipoxygenase-4 Glycine max 173-176 16668631-4 1992 Lipoxygenases L-5 and L-6 preferentially produced 13(S)-hydroperoxy-9(Z), 11(E)-octadecadienoic acid (13S-HPOD) as a reaction product of linoleic acid, whereas lipoxygenase L-4 produced both 13S-HPOD and 9(S)-hydroperoxy-10(E), 12(Z)-octadecadienoic acid. Linoleic Acid 137-150 linoleate 9S-lipoxygenase-4 Glycine max 160-172 16668631-4 1992 Lipoxygenases L-5 and L-6 preferentially produced 13(S)-hydroperoxy-9(Z), 11(E)-octadecadienoic acid (13S-HPOD) as a reaction product of linoleic acid, whereas lipoxygenase L-4 produced both 13S-HPOD and 9(S)-hydroperoxy-10(E), 12(Z)-octadecadienoic acid. Linoleic Acid 137-150 linoleate 9S-lipoxygenase-4 Glycine max 173-176 1766441-1 1991 Two classes of lipoxygenase (LOX) cDNAs, designated loxA and loxB, were isolated from soybean. loxb 61-65 linoleate 9S-lipoxygenase-4 Glycine max 15-27 1766441-1 1991 Two classes of lipoxygenase (LOX) cDNAs, designated loxA and loxB, were isolated from soybean. loxb 61-65 linoleate 9S-lipoxygenase-4 Glycine max 29-32 1815499-0 1991 Proline hydroxylation by soybean lipoxygenase. Proline 0-7 linoleate 9S-lipoxygenase-4 Glycine max 33-45 1815499-1 1991 The lipoxygenase-catalyzed hydroxylation of proline was studied in vitro in the presence of linoleic acid. Proline 44-51 linoleate 9S-lipoxygenase-4 Glycine max 4-16 1815499-1 1991 The lipoxygenase-catalyzed hydroxylation of proline was studied in vitro in the presence of linoleic acid. Linoleic Acid 92-105 linoleate 9S-lipoxygenase-4 Glycine max 4-16 1815499-6 1991 It is suggested that free-radical products of linoleic acid peroxidation may co-oxygenate proline in the presence of lipoxygenase. Linoleic Acid 46-59 linoleate 9S-lipoxygenase-4 Glycine max 117-129 1815499-6 1991 It is suggested that free-radical products of linoleic acid peroxidation may co-oxygenate proline in the presence of lipoxygenase. Proline 90-97 linoleate 9S-lipoxygenase-4 Glycine max 117-129 1654081-1 1991 Inhibition of soybean lipoxygenase (L-1) and potato 5-lipoxygenase (5-PLO) by the pyrazoline derivatives phenidone and BW755C only occurs after oxidation of these compounds by the peroxidase-like activity of the lipoxygenases. pyrazoline 82-92 linoleate 9S-lipoxygenase-4 Glycine max 22-34 1931955-0 1991 Keto fatty acids not containing doubly allylic methylenes are lipoxygenase substrates. keto fatty acids 0-16 linoleate 9S-lipoxygenase-4 Glycine max 62-74 1931955-1 1991 The soybean lipoxygenase I oxygenates the unusual substrate 12-keto-(9Z)-octadecenoic acid methyl ester as indicated by oxygen uptake and spectral changes of the incubation mixture. 12-keto-(9z)-octadecenoic acid methyl ester 60-103 linoleate 9S-lipoxygenase-4 Glycine max 12-24 1931955-4 1991 These data and the earlier results on the oxygenation of furanoic fatty acids (Boyer et al., 1979) indicate that the lipoxygenase reaction is not restricted to substrates containing a 1,4-pentadiene structure. furanoic fatty acids 57-77 linoleate 9S-lipoxygenase-4 Glycine max 117-129 1931955-4 1991 These data and the earlier results on the oxygenation of furanoic fatty acids (Boyer et al., 1979) indicate that the lipoxygenase reaction is not restricted to substrates containing a 1,4-pentadiene structure. 1,4-PENTADIENE 184-198 linoleate 9S-lipoxygenase-4 Glycine max 117-129 1654081-1 1991 Inhibition of soybean lipoxygenase (L-1) and potato 5-lipoxygenase (5-PLO) by the pyrazoline derivatives phenidone and BW755C only occurs after oxidation of these compounds by the peroxidase-like activity of the lipoxygenases. phenidone 105-114 linoleate 9S-lipoxygenase-4 Glycine max 22-34 1654081-1 1991 Inhibition of soybean lipoxygenase (L-1) and potato 5-lipoxygenase (5-PLO) by the pyrazoline derivatives phenidone and BW755C only occurs after oxidation of these compounds by the peroxidase-like activity of the lipoxygenases. 4,5-Dihydro-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-3-amine 119-125 linoleate 9S-lipoxygenase-4 Glycine max 22-34 1645725-5 1991 1-Palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine next was fragmented by an uncontrolled free radical-catalyzed reaction: it was treated with soybean lipoxygenase to form its sn-2 15-hydroperoxy derivative (which did not activate neutrophils) and then allowed to oxidize under air. 1-O-hexadecyl-2-arachidonyl-sn-glycero-3-phosphocholine 0-54 linoleate 9S-lipoxygenase-4 Glycine max 155-167 1910308-2 1991 Among these compounds, 15(S)-hydroperoxyeicosatetraenoic acid (15(S)-HPETE)2 was found to be the most effective in the inactivation of lipoxygenase. 15(s)-hydroperoxyeicosatetraenoic acid (15(s)-hpete)2 23-76 linoleate 9S-lipoxygenase-4 Glycine max 135-147 1910308-6 1991 Based on these results, it is suggested that the selective inactivation of lipoxygenase by these peroxy acids may be due to unstable intermediates produced from hydroperoxy acids bound to the active site of lipoxygenase. peroxy acids 97-109 linoleate 9S-lipoxygenase-4 Glycine max 75-87 1910308-6 1991 Based on these results, it is suggested that the selective inactivation of lipoxygenase by these peroxy acids may be due to unstable intermediates produced from hydroperoxy acids bound to the active site of lipoxygenase. peroxy acids 97-109 linoleate 9S-lipoxygenase-4 Glycine max 207-219 1910308-6 1991 Based on these results, it is suggested that the selective inactivation of lipoxygenase by these peroxy acids may be due to unstable intermediates produced from hydroperoxy acids bound to the active site of lipoxygenase. hydroperoxy acids 161-178 linoleate 9S-lipoxygenase-4 Glycine max 75-87 1910308-6 1991 Based on these results, it is suggested that the selective inactivation of lipoxygenase by these peroxy acids may be due to unstable intermediates produced from hydroperoxy acids bound to the active site of lipoxygenase. hydroperoxy acids 161-178 linoleate 9S-lipoxygenase-4 Glycine max 207-219 1680652-1 1991 Catalytic potential of lipoxygenase coupled with linoleic acid oxidation. Linoleic Acid 49-62 linoleate 9S-lipoxygenase-4 Glycine max 23-35 1680652-7 1991 Lipoxygenase inhibitors nordihydroguaiaretic acid, phenidone, 5,8,11-eicosatriynoic acid, and 5,8,11,14-eicosatetraynoic acid significantly inhibited epoxidation in a dose-dependent manner. Masoprocol 24-49 linoleate 9S-lipoxygenase-4 Glycine max 0-12 1680652-7 1991 Lipoxygenase inhibitors nordihydroguaiaretic acid, phenidone, 5,8,11-eicosatriynoic acid, and 5,8,11,14-eicosatetraynoic acid significantly inhibited epoxidation in a dose-dependent manner. phenidone 51-60 linoleate 9S-lipoxygenase-4 Glycine max 0-12 1680652-7 1991 Lipoxygenase inhibitors nordihydroguaiaretic acid, phenidone, 5,8,11-eicosatriynoic acid, and 5,8,11,14-eicosatetraynoic acid significantly inhibited epoxidation in a dose-dependent manner. 5,8,11-eicosatriynoic acid 62-88 linoleate 9S-lipoxygenase-4 Glycine max 0-12 1680652-7 1991 Lipoxygenase inhibitors nordihydroguaiaretic acid, phenidone, 5,8,11-eicosatriynoic acid, and 5,8,11,14-eicosatetraynoic acid significantly inhibited epoxidation in a dose-dependent manner. 5,8,11,14-Eicosatetraynoic Acid 94-125 linoleate 9S-lipoxygenase-4 Glycine max 0-12 1822994-5 1991 Also, a lipoxygenase cDNA coding region was able to detect changes in an mRNA that closely parallel changes in vsp94 protein levels resulting from alteration of nitrogen sinks. Nitrogen 161-169 linoleate 9S-lipoxygenase-4 Glycine max 8-20 1822994-5 1991 Also, a lipoxygenase cDNA coding region was able to detect changes in an mRNA that closely parallel changes in vsp94 protein levels resulting from alteration of nitrogen sinks. Nitrogen 161-169 linoleate 9S-lipoxygenase-4 Glycine max 111-116 1645725-5 1991 1-Palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine next was fragmented by an uncontrolled free radical-catalyzed reaction: it was treated with soybean lipoxygenase to form its sn-2 15-hydroperoxy derivative (which did not activate neutrophils) and then allowed to oxidize under air. Free Radicals 94-106 linoleate 9S-lipoxygenase-4 Glycine max 155-167 1646600-3 1991 Linoleic acid-derived radicals, which are formed in the reaction of linoleic acid with soybean lipoxygenase, were trapped with nitrosobenzene and the resulting radical adducts were analysed by h.p.l.c.-e.p.r. nitrosobenzene 127-141 linoleate 9S-lipoxygenase-4 Glycine max 95-107 1646600-15 1991 Peak III, which was observed in the reaction mixture without soybean lipoxygenase, corresponds to a linoleic acid radical (L.). linoleic acid radical 100-121 linoleate 9S-lipoxygenase-4 Glycine max 69-81 1646600-3 1991 Linoleic acid-derived radicals, which are formed in the reaction of linoleic acid with soybean lipoxygenase, were trapped with nitrosobenzene and the resulting radical adducts were analysed by h.p.l.c.-e.p.r. Linoleic Acid 0-13 linoleate 9S-lipoxygenase-4 Glycine max 95-107 1646600-3 1991 Linoleic acid-derived radicals, which are formed in the reaction of linoleic acid with soybean lipoxygenase, were trapped with nitrosobenzene and the resulting radical adducts were analysed by h.p.l.c.-e.p.r. Linoleic Acid 68-81 linoleate 9S-lipoxygenase-4 Glycine max 95-107 1646600-16 1991 The 12,13-epoxylinoleic acid radical, 12,13-epoxylinolenic acid radical and 14,15-epoxyarachidonic acid radical were also detected in the reactions of linoleic acid, linolenic acid and arachidonic acid respectively, with soybean lipoxygenase using nitrosobenzene and 2-methyl-2-nitrosopropane as spin-trapping agents. 12,13-epoxylinoleic acid radical 4-36 linoleate 9S-lipoxygenase-4 Glycine max 229-241 1646600-16 1991 The 12,13-epoxylinoleic acid radical, 12,13-epoxylinolenic acid radical and 14,15-epoxyarachidonic acid radical were also detected in the reactions of linoleic acid, linolenic acid and arachidonic acid respectively, with soybean lipoxygenase using nitrosobenzene and 2-methyl-2-nitrosopropane as spin-trapping agents. 14,15-epoxyarachidonic acid radical 76-111 linoleate 9S-lipoxygenase-4 Glycine max 229-241 1646600-16 1991 The 12,13-epoxylinoleic acid radical, 12,13-epoxylinolenic acid radical and 14,15-epoxyarachidonic acid radical were also detected in the reactions of linoleic acid, linolenic acid and arachidonic acid respectively, with soybean lipoxygenase using nitrosobenzene and 2-methyl-2-nitrosopropane as spin-trapping agents. Arachidonic Acid 87-103 linoleate 9S-lipoxygenase-4 Glycine max 229-241 1646600-16 1991 The 12,13-epoxylinoleic acid radical, 12,13-epoxylinolenic acid radical and 14,15-epoxyarachidonic acid radical were also detected in the reactions of linoleic acid, linolenic acid and arachidonic acid respectively, with soybean lipoxygenase using nitrosobenzene and 2-methyl-2-nitrosopropane as spin-trapping agents. nitrosobenzene 248-262 linoleate 9S-lipoxygenase-4 Glycine max 229-241 1646600-16 1991 The 12,13-epoxylinoleic acid radical, 12,13-epoxylinolenic acid radical and 14,15-epoxyarachidonic acid radical were also detected in the reactions of linoleic acid, linolenic acid and arachidonic acid respectively, with soybean lipoxygenase using nitrosobenzene and 2-methyl-2-nitrosopropane as spin-trapping agents. tert-nitrosobutane 267-292 linoleate 9S-lipoxygenase-4 Glycine max 229-241 1903659-0 1991 Soybean lipoxygenase catalysed oxygenation of unsaturated fatty acid encapsulated in cyclodextrin. Fatty Acids, Unsaturated 46-68 linoleate 9S-lipoxygenase-4 Glycine max 8-20 1850741-2 1991 Using soybean lipoxygenase-1 as a model, we have shown that two classes of lipoxygenase inhibitors currently in development as potential antiinflammatory agents obtain a significant amount of their potency by reducing the lipoxygenase active-site iron from the active ferric state to the inactive ferrous state. Iron 247-251 linoleate 9S-lipoxygenase-4 Glycine max 14-26 1850741-2 1991 Using soybean lipoxygenase-1 as a model, we have shown that two classes of lipoxygenase inhibitors currently in development as potential antiinflammatory agents obtain a significant amount of their potency by reducing the lipoxygenase active-site iron from the active ferric state to the inactive ferrous state. Iron 247-251 linoleate 9S-lipoxygenase-4 Glycine max 75-87 1903659-0 1991 Soybean lipoxygenase catalysed oxygenation of unsaturated fatty acid encapsulated in cyclodextrin. Cyclodextrins 85-97 linoleate 9S-lipoxygenase-4 Glycine max 8-20 1850741-5 1991 This brings to (at least) five the number of classes of lipoxygenase inhibitors that are capable of reducing the active-site ferric ion and suggests the generality of this approach in the rational design of lipoxygenase inhibitors. Ferric enterobactin ion 125-131 linoleate 9S-lipoxygenase-4 Glycine max 56-68 1903659-1 1991 The linoleic or arachidonic acid entrapped in cyclodextrin (alpha, beta or gamma) serves as an excellent substrate for soybean lipoxygenase-1 catalysis. Linoleic Acid 4-12 linoleate 9S-lipoxygenase-4 Glycine max 127-139 1850741-5 1991 This brings to (at least) five the number of classes of lipoxygenase inhibitors that are capable of reducing the active-site ferric ion and suggests the generality of this approach in the rational design of lipoxygenase inhibitors. Ferric enterobactin ion 125-131 linoleate 9S-lipoxygenase-4 Glycine max 207-219 1903659-1 1991 The linoleic or arachidonic acid entrapped in cyclodextrin (alpha, beta or gamma) serves as an excellent substrate for soybean lipoxygenase-1 catalysis. Arachidonic Acid 16-32 linoleate 9S-lipoxygenase-4 Glycine max 127-139 1903659-1 1991 The linoleic or arachidonic acid entrapped in cyclodextrin (alpha, beta or gamma) serves as an excellent substrate for soybean lipoxygenase-1 catalysis. Cyclodextrins 46-58 linoleate 9S-lipoxygenase-4 Glycine max 127-139 16668141-6 1991 MeJA was almost as effective in N-deficient plants as in those receiving abundant N. Inhibitors of lipoxygenase, the first enzyme in the jasmonic acid biosynthetic pathway, blocked induction by wounding and petiole girdling but not by MeJA. jasmonic acid 137-150 linoleate 9S-lipoxygenase-4 Glycine max 99-111 1903070-2 1991 This process has been found to be related to the inhibition of the lipoxygenase activity, measured as hydroperoxide generation and to produce oxodienes as well. Hydrogen Peroxide 102-115 linoleate 9S-lipoxygenase-4 Glycine max 67-79 1903070-2 1991 This process has been found to be related to the inhibition of the lipoxygenase activity, measured as hydroperoxide generation and to produce oxodienes as well. oxodienes 142-151 linoleate 9S-lipoxygenase-4 Glycine max 67-79 1903070-4 1991 The inhibition of lipoxygenase activity by these pigments has been found to be competitive with linoleic acid, showing an increase of 4-7-fold of the Km value of linoleic acid in the presence of concentrations of hemin and hemoglobin as low as 0.2 and 0.02 microM, respectively, for the case of platelet lipoxygenase activity. Linoleic Acid 96-109 linoleate 9S-lipoxygenase-4 Glycine max 18-30 1903070-4 1991 The inhibition of lipoxygenase activity by these pigments has been found to be competitive with linoleic acid, showing an increase of 4-7-fold of the Km value of linoleic acid in the presence of concentrations of hemin and hemoglobin as low as 0.2 and 0.02 microM, respectively, for the case of platelet lipoxygenase activity. Linoleic Acid 96-109 linoleate 9S-lipoxygenase-4 Glycine max 304-316 1903070-4 1991 The inhibition of lipoxygenase activity by these pigments has been found to be competitive with linoleic acid, showing an increase of 4-7-fold of the Km value of linoleic acid in the presence of concentrations of hemin and hemoglobin as low as 0.2 and 0.02 microM, respectively, for the case of platelet lipoxygenase activity. Linoleic Acid 162-175 linoleate 9S-lipoxygenase-4 Glycine max 18-30 1903070-4 1991 The inhibition of lipoxygenase activity by these pigments has been found to be competitive with linoleic acid, showing an increase of 4-7-fold of the Km value of linoleic acid in the presence of concentrations of hemin and hemoglobin as low as 0.2 and 0.02 microM, respectively, for the case of platelet lipoxygenase activity. Linoleic Acid 162-175 linoleate 9S-lipoxygenase-4 Glycine max 304-316 1903070-6 1991 From the quenching of the intrinsic fluorescence of soybean lipoxygenase activity by hemin, we have obtained a dissociation constant of hemin-soybean lipoxygenase of 0.5 microM. Hemin 85-90 linoleate 9S-lipoxygenase-4 Glycine max 60-72 1903070-6 1991 From the quenching of the intrinsic fluorescence of soybean lipoxygenase activity by hemin, we have obtained a dissociation constant of hemin-soybean lipoxygenase of 0.5 microM. Hemin 85-90 linoleate 9S-lipoxygenase-4 Glycine max 150-162 1903070-7 1991 The results obtained in this paper for the cooxidation process of hemin and hemoglobin by lipoxygenase can be rationalized in terms of hemin binding at or near to the catalytic center, resulting in a lesser binding of linoleic acid and an enhanced release of radicals, and pigment bleaching by radicals and lipid hydroperoxides. Hemin 66-71 linoleate 9S-lipoxygenase-4 Glycine max 90-102 1903070-7 1991 The results obtained in this paper for the cooxidation process of hemin and hemoglobin by lipoxygenase can be rationalized in terms of hemin binding at or near to the catalytic center, resulting in a lesser binding of linoleic acid and an enhanced release of radicals, and pigment bleaching by radicals and lipid hydroperoxides. Linoleic Acid 218-231 linoleate 9S-lipoxygenase-4 Glycine max 90-102 1903070-7 1991 The results obtained in this paper for the cooxidation process of hemin and hemoglobin by lipoxygenase can be rationalized in terms of hemin binding at or near to the catalytic center, resulting in a lesser binding of linoleic acid and an enhanced release of radicals, and pigment bleaching by radicals and lipid hydroperoxides. Lipid Peroxides 307-327 linoleate 9S-lipoxygenase-4 Glycine max 90-102 1904618-0 1991 Role of lipoxygenase in xenobiotic metabolism: sulfoxidation of thiobenzamide by purified soybean lipoxygenase. thiobenzamide 64-77 linoleate 9S-lipoxygenase-4 Glycine max 8-20 1904618-0 1991 Role of lipoxygenase in xenobiotic metabolism: sulfoxidation of thiobenzamide by purified soybean lipoxygenase. thiobenzamide 64-77 linoleate 9S-lipoxygenase-4 Glycine max 98-110 1904618-2 1991 To further explore the spectrum of reactions catalyzed by lipoxygenase, sulfoxidation of thiobenzamide was studied. thiobenzamide 89-102 linoleate 9S-lipoxygenase-4 Glycine max 58-70 1904618-3 1991 Purified soybean lipoxygenase was found to oxidize thiobenzamide to thiobenzamide sulfoxide in the presence of linoleic acid at a rate of 241 nmoles/min/nmole enzyme. thiobenzamide 51-64 linoleate 9S-lipoxygenase-4 Glycine max 17-29 1904618-3 1991 Purified soybean lipoxygenase was found to oxidize thiobenzamide to thiobenzamide sulfoxide in the presence of linoleic acid at a rate of 241 nmoles/min/nmole enzyme. thiobenzamide sulfoxide 68-91 linoleate 9S-lipoxygenase-4 Glycine max 17-29 1904618-3 1991 Purified soybean lipoxygenase was found to oxidize thiobenzamide to thiobenzamide sulfoxide in the presence of linoleic acid at a rate of 241 nmoles/min/nmole enzyme. Linoleic Acid 111-124 linoleate 9S-lipoxygenase-4 Glycine max 17-29 1904618-6 1991 Nordihydroguaiaretic acid and phenidone, the classical inhibitors of lipoxygenase, significantly blocked the sulfoxidation of thiobenzamide. Masoprocol 0-25 linoleate 9S-lipoxygenase-4 Glycine max 69-81 1900203-4 1991 The soybean lipoxygenase, in contrast, prefers the 9Z,12Z-octadecadienoic acid (linoleic acid) which is oxygenated to its n - 6 hydroperoxy derivative. Linoleic Acid 51-78 linoleate 9S-lipoxygenase-4 Glycine max 12-24 1904618-6 1991 Nordihydroguaiaretic acid and phenidone, the classical inhibitors of lipoxygenase, significantly blocked the sulfoxidation of thiobenzamide. phenidone 30-39 linoleate 9S-lipoxygenase-4 Glycine max 69-81 1900203-4 1991 The soybean lipoxygenase, in contrast, prefers the 9Z,12Z-octadecadienoic acid (linoleic acid) which is oxygenated to its n - 6 hydroperoxy derivative. Linoleic Acid 80-93 linoleate 9S-lipoxygenase-4 Glycine max 12-24 1904618-6 1991 Nordihydroguaiaretic acid and phenidone, the classical inhibitors of lipoxygenase, significantly blocked the sulfoxidation of thiobenzamide. thiobenzamide 126-139 linoleate 9S-lipoxygenase-4 Glycine max 69-81 2171436-0 1990 Alkyl free radicals from the beta-scission of fatty acid alkoxyl radicals as detected by spin trapping in a lipoxygenase system. Free Radicals 6-19 linoleate 9S-lipoxygenase-4 Glycine max 108-120 1900203-8 1991 The soybean lipoxygenase converts the 8Z,11Z,14Z-isomer with a singular positional specificity to the corresponding 15S-hydroperoxy derivatives. 8z,11z,14z 38-48 linoleate 9S-lipoxygenase-4 Glycine max 12-24 1842018-4 1991 The experiments with soybean lipoxygenase showed that the three components of silymarin brought about a concentration-dependent non-competitive inhibition of the lipoxygenase. Silymarin 78-87 linoleate 9S-lipoxygenase-4 Glycine max 29-41 1842018-4 1991 The experiments with soybean lipoxygenase showed that the three components of silymarin brought about a concentration-dependent non-competitive inhibition of the lipoxygenase. Silymarin 78-87 linoleate 9S-lipoxygenase-4 Glycine max 162-174 1842018-5 1991 The experiments also showed an analogous interaction with animal lipoxygenase, thus showing that an inhibition of the peroxidation of the fatty acid in vivo was self-evident. Fatty Acids 138-148 linoleate 9S-lipoxygenase-4 Glycine max 65-77 18597258-0 1990 Polarographic measurement of oxygen uptake using lipoxygenase in reverse micelles. Oxygen 29-35 linoleate 9S-lipoxygenase-4 Glycine max 49-61 18597258-1 1990 Lipoxygenase-catalyzed linoleic acid peroxidation was chosen as a model system to study the applicability of oxygraphy to monitor the oxygen uptake in organic solvents containing reverse micelles. Linoleic Acid 23-36 linoleate 9S-lipoxygenase-4 Glycine max 0-12 2171436-0 1990 Alkyl free radicals from the beta-scission of fatty acid alkoxyl radicals as detected by spin trapping in a lipoxygenase system. fatty acid alkoxyl radicals 46-73 linoleate 9S-lipoxygenase-4 Glycine max 108-120 2171436-1 1990 2-Methyl-2-nitrosopropane (tNB)-radical adducts from incubation mixtures of fatty acids and soybean lipoxygenase in borate buffer (pH 9.0) were measured by electron paramagnetic resonance (EPR). tert-nitrosobutane 0-25 linoleate 9S-lipoxygenase-4 Glycine max 100-112 2171436-1 1990 2-Methyl-2-nitrosopropane (tNB)-radical adducts from incubation mixtures of fatty acids and soybean lipoxygenase in borate buffer (pH 9.0) were measured by electron paramagnetic resonance (EPR). Trinitrobenzenesulfonic Acid 27-30 linoleate 9S-lipoxygenase-4 Glycine max 100-112 2171436-1 1990 2-Methyl-2-nitrosopropane (tNB)-radical adducts from incubation mixtures of fatty acids and soybean lipoxygenase in borate buffer (pH 9.0) were measured by electron paramagnetic resonance (EPR). Borates 116-122 linoleate 9S-lipoxygenase-4 Glycine max 100-112 2171436-4 1990 EPR spectra of tNB-radical adducts formed in mixtures of either linoleic acid, arachidonic acid, or 15-hydroperoxyeicosatetraenoic acid with lipoxygenase exhibited hyperfine structure characteristic of tNB/.CH2CH2-R with hyperfine coupling constants: aN = 17.1 G; aH beta = 11.2 G (2H); and aH gamma = 0.6 G (2H). Trinitrobenzenesulfonic Acid 15-18 linoleate 9S-lipoxygenase-4 Glycine max 141-153 2171436-4 1990 EPR spectra of tNB-radical adducts formed in mixtures of either linoleic acid, arachidonic acid, or 15-hydroperoxyeicosatetraenoic acid with lipoxygenase exhibited hyperfine structure characteristic of tNB/.CH2CH2-R with hyperfine coupling constants: aN = 17.1 G; aH beta = 11.2 G (2H); and aH gamma = 0.6 G (2H). 15-hydroperoxyeicosatetraenoic acid 100-135 linoleate 9S-lipoxygenase-4 Glycine max 141-153 2171436-4 1990 EPR spectra of tNB-radical adducts formed in mixtures of either linoleic acid, arachidonic acid, or 15-hydroperoxyeicosatetraenoic acid with lipoxygenase exhibited hyperfine structure characteristic of tNB/.CH2CH2-R with hyperfine coupling constants: aN = 17.1 G; aH beta = 11.2 G (2H); and aH gamma = 0.6 G (2H). Trinitrobenzenesulfonic Acid 202-205 linoleate 9S-lipoxygenase-4 Glycine max 141-153 2171436-4 1990 EPR spectra of tNB-radical adducts formed in mixtures of either linoleic acid, arachidonic acid, or 15-hydroperoxyeicosatetraenoic acid with lipoxygenase exhibited hyperfine structure characteristic of tNB/.CH2CH2-R with hyperfine coupling constants: aN = 17.1 G; aH beta = 11.2 G (2H); and aH gamma = 0.6 G (2H). r 2-3 linoleate 9S-lipoxygenase-4 Glycine max 141-153 2171436-4 1990 EPR spectra of tNB-radical adducts formed in mixtures of either linoleic acid, arachidonic acid, or 15-hydroperoxyeicosatetraenoic acid with lipoxygenase exhibited hyperfine structure characteristic of tNB/.CH2CH2-R with hyperfine coupling constants: aN = 17.1 G; aH beta = 11.2 G (2H); and aH gamma = 0.6 G (2H). Deuterium 282-284 linoleate 9S-lipoxygenase-4 Glycine max 141-153 2171436-4 1990 EPR spectra of tNB-radical adducts formed in mixtures of either linoleic acid, arachidonic acid, or 15-hydroperoxyeicosatetraenoic acid with lipoxygenase exhibited hyperfine structure characteristic of tNB/.CH2CH2-R with hyperfine coupling constants: aN = 17.1 G; aH beta = 11.2 G (2H); and aH gamma = 0.6 G (2H). Deuterium 309-311 linoleate 9S-lipoxygenase-4 Glycine max 141-153 2118902-3 1990 The dual specificity considered here is typified by the oxygenation of arachidonic acid by the reticulocyte lipoxygenase: two chiral products are formed (12S- and 15S-hydroperoxides, ratio approximately 1:9) via hydrogen abstraction from two separate methylene groups (C-10 and C-13). Arachidonic Acid 71-87 linoleate 9S-lipoxygenase-4 Glycine max 108-120 2118902-3 1990 The dual specificity considered here is typified by the oxygenation of arachidonic acid by the reticulocyte lipoxygenase: two chiral products are formed (12S- and 15S-hydroperoxides, ratio approximately 1:9) via hydrogen abstraction from two separate methylene groups (C-10 and C-13). CHEMBL2326358 154-157 linoleate 9S-lipoxygenase-4 Glycine max 108-120 2118902-3 1990 The dual specificity considered here is typified by the oxygenation of arachidonic acid by the reticulocyte lipoxygenase: two chiral products are formed (12S- and 15S-hydroperoxides, ratio approximately 1:9) via hydrogen abstraction from two separate methylene groups (C-10 and C-13). Carbon 278-279 linoleate 9S-lipoxygenase-4 Glycine max 108-120 2118902-3 1990 The dual specificity considered here is typified by the oxygenation of arachidonic acid by the reticulocyte lipoxygenase: two chiral products are formed (12S- and 15S-hydroperoxides, ratio approximately 1:9) via hydrogen abstraction from two separate methylene groups (C-10 and C-13). Hydrogen Peroxide 167-181 linoleate 9S-lipoxygenase-4 Glycine max 108-120 2118902-3 1990 The dual specificity considered here is typified by the oxygenation of arachidonic acid by the reticulocyte lipoxygenase: two chiral products are formed (12S- and 15S-hydroperoxides, ratio approximately 1:9) via hydrogen abstraction from two separate methylene groups (C-10 and C-13). Hydrogen 212-220 linoleate 9S-lipoxygenase-4 Glycine max 108-120 2118902-3 1990 The dual specificity considered here is typified by the oxygenation of arachidonic acid by the reticulocyte lipoxygenase: two chiral products are formed (12S- and 15S-hydroperoxides, ratio approximately 1:9) via hydrogen abstraction from two separate methylene groups (C-10 and C-13). Carbon 269-270 linoleate 9S-lipoxygenase-4 Glycine max 108-120 2164931-0 1990 The initial characterization of the iron environment in lipoxygenase by Mossbauer spectroscopy. Iron 36-40 linoleate 9S-lipoxygenase-4 Glycine max 56-68 2164931-1 1990 The incorporation of 57Fe into two lipoxygenase isoenzymes from soybeans has been achieved making possible the first observations of the iron environment in these proteins using Mossbauer spectroscopy. Iron-57 21-25 linoleate 9S-lipoxygenase-4 Glycine max 35-47 2164931-1 1990 The incorporation of 57Fe into two lipoxygenase isoenzymes from soybeans has been achieved making possible the first observations of the iron environment in these proteins using Mossbauer spectroscopy. Iron 137-141 linoleate 9S-lipoxygenase-4 Glycine max 35-47 2164931-5 1990 Based on the sign of the electric field gradient, the most likely ligand sphere for the iron in native lipoxygenase consists of oxygen and nitrogen ligands in a roughly octahedral field of symmetry. Iron 88-92 linoleate 9S-lipoxygenase-4 Glycine max 103-115 2164931-5 1990 Based on the sign of the electric field gradient, the most likely ligand sphere for the iron in native lipoxygenase consists of oxygen and nitrogen ligands in a roughly octahedral field of symmetry. Nitrogen 139-147 linoleate 9S-lipoxygenase-4 Glycine max 103-115 2164931-9 1990 The Mossbauer spectra (4.2-250 K) for samples of both isoenzymes after oxidation of the iron in native enzyme by the product of lipoxygenase catalysis were extremely broad (20 mm/s) with no obvious narrow resonance lines. Iron 88-92 linoleate 9S-lipoxygenase-4 Glycine max 128-140 2164931-11 1990 A small molecule containing an iron site sharing many of these Mossbauer and electron paramagnetic resonance properties with lipoxygenase was identified: Fe(II)/(III).diethylenetriaminepentaacetic acid. Iron 31-35 linoleate 9S-lipoxygenase-4 Glycine max 125-137 2164931-11 1990 A small molecule containing an iron site sharing many of these Mossbauer and electron paramagnetic resonance properties with lipoxygenase was identified: Fe(II)/(III).diethylenetriaminepentaacetic acid. ammonium ferrous sulfate 154-160 linoleate 9S-lipoxygenase-4 Glycine max 125-137 2164931-11 1990 A small molecule containing an iron site sharing many of these Mossbauer and electron paramagnetic resonance properties with lipoxygenase was identified: Fe(II)/(III).diethylenetriaminepentaacetic acid. Pentetic Acid 167-201 linoleate 9S-lipoxygenase-4 Glycine max 125-137 33793947-0 2021 Lipoxygenase functions in 1O2 production during root responses to osmotic stress. CHEBI:63768 26-29 linoleate 9S-lipoxygenase-4 Glycine max 0-12 34919703-0 2022 Oxylipin signaling in salt-stressed soybean is modulated by ligand-dependent interaction of Class II acyl-CoA-binding proteins with lipoxygenase. Oxylipins 0-8 linoleate 9S-lipoxygenase-4 Glycine max 132-144 34453501-4 2021 The synthetic compounds inhibit lipoxygenase enzyme by competitive mechanism like the prenyloxy coumarins. 5-hydroxy-6-methoxy-7-(3-methyl-but-2-enyloxy)-2H-1-benzopyran-2-one 86-105 linoleate 9S-lipoxygenase-4 Glycine max 32-44 34427748-0 2021 Quantitative proteomic and lipidomics analyses of high oil content GmDGAT1-2 transgenic soybean illustrate the regulatory mechanism of lipoxygenase and oleosin. Oils 55-58 linoleate 9S-lipoxygenase-4 Glycine max 135-147 34427748-10 2021 Four lipoxygenase proteins were down-regulated in linoleic acid metabolism while four oleosin proteins were up-regulated in the final oil formation. Linoleic Acid 50-63 linoleate 9S-lipoxygenase-4 Glycine max 5-17 34641543-5 2021 The 3"-fluoro-substituted coumarins 3e and 4e, along with 3-(4-acetyloxyphenyl)-6,8-dibromo-4-methyl-chromen-2-one (3k), were the most potent lipoxygenase (LOX) inhibitors (IC50 11.4, 4.1, and 8.7 muM, respectively) while displaying remarkable hydroxyl radical scavenging ability, 85.2%, 100%, and 92.9%, respectively. 3"-fluoro-substituted 4-25 linoleate 9S-lipoxygenase-4 Glycine max 142-154 34641543-5 2021 The 3"-fluoro-substituted coumarins 3e and 4e, along with 3-(4-acetyloxyphenyl)-6,8-dibromo-4-methyl-chromen-2-one (3k), were the most potent lipoxygenase (LOX) inhibitors (IC50 11.4, 4.1, and 8.7 muM, respectively) while displaying remarkable hydroxyl radical scavenging ability, 85.2%, 100%, and 92.9%, respectively. 3"-fluoro-substituted 4-25 linoleate 9S-lipoxygenase-4 Glycine max 156-159 34641543-5 2021 The 3"-fluoro-substituted coumarins 3e and 4e, along with 3-(4-acetyloxyphenyl)-6,8-dibromo-4-methyl-chromen-2-one (3k), were the most potent lipoxygenase (LOX) inhibitors (IC50 11.4, 4.1, and 8.7 muM, respectively) while displaying remarkable hydroxyl radical scavenging ability, 85.2%, 100%, and 92.9%, respectively. Coumarins 26-35 linoleate 9S-lipoxygenase-4 Glycine max 142-154 34641543-5 2021 The 3"-fluoro-substituted coumarins 3e and 4e, along with 3-(4-acetyloxyphenyl)-6,8-dibromo-4-methyl-chromen-2-one (3k), were the most potent lipoxygenase (LOX) inhibitors (IC50 11.4, 4.1, and 8.7 muM, respectively) while displaying remarkable hydroxyl radical scavenging ability, 85.2%, 100%, and 92.9%, respectively. -acetyloxyphenyl)-6,8-dibromo-4-methyl-chromen-2 62-110 linoleate 9S-lipoxygenase-4 Glycine max 142-154 34641543-5 2021 The 3"-fluoro-substituted coumarins 3e and 4e, along with 3-(4-acetyloxyphenyl)-6,8-dibromo-4-methyl-chromen-2-one (3k), were the most potent lipoxygenase (LOX) inhibitors (IC50 11.4, 4.1, and 8.7 muM, respectively) while displaying remarkable hydroxyl radical scavenging ability, 85.2%, 100%, and 92.9%, respectively. -acetyloxyphenyl)-6,8-dibromo-4-methyl-chromen-2 62-110 linoleate 9S-lipoxygenase-4 Glycine max 156-159 34403937-0 2021 Identification of phenylcarbamoylazinane-1,3,4-oxadiazole amides as lipoxygenase inhibitors with expression analysis and in silico studies. phenylcarbamoylazinane-1,3,4-oxadiazole amides 18-64 linoleate 9S-lipoxygenase-4 Glycine max 68-80 34571971-0 2021 Biosynthesis of the Novel Endogenous 15-Lipoxygenase Metabolites N-13-Hydroxy-octodecadienoyl-ethanolamine and 13-Hydroxy-octodecadienoyl-glycerol by Human Neutrophils and Eosinophils. n-13-hydroxy-octodecadienoyl-ethanolamine 65-106 linoleate 9S-lipoxygenase-4 Glycine max 40-52 34571971-0 2021 Biosynthesis of the Novel Endogenous 15-Lipoxygenase Metabolites N-13-Hydroxy-octodecadienoyl-ethanolamine and 13-Hydroxy-octodecadienoyl-glycerol by Human Neutrophils and Eosinophils. 13-hydroxy-octodecadienoyl-glycerol 111-146 linoleate 9S-lipoxygenase-4 Glycine max 40-52 34571971-8 2021 N-13-hydroxy-octodecadienoyl-ethanolamine (13-HODE-EA) and 13-hydroxy-octodecadienoyl-glycerol (13-HODE-G), the 15-lipoxygenase metabolites of LEA and 1-LG, were synthesized using Novozym 435 and soybean lipoxygenase. n-13-hydroxy-octodecadienoyl-ethanolamine 0-41 linoleate 9S-lipoxygenase-4 Glycine max 204-216 34571971-8 2021 N-13-hydroxy-octodecadienoyl-ethanolamine (13-HODE-EA) and 13-hydroxy-octodecadienoyl-glycerol (13-HODE-G), the 15-lipoxygenase metabolites of LEA and 1-LG, were synthesized using Novozym 435 and soybean lipoxygenase. Triethylene glycol monododecyl ether 143-146 linoleate 9S-lipoxygenase-4 Glycine max 204-216 34571971-8 2021 N-13-hydroxy-octodecadienoyl-ethanolamine (13-HODE-EA) and 13-hydroxy-octodecadienoyl-glycerol (13-HODE-G), the 15-lipoxygenase metabolites of LEA and 1-LG, were synthesized using Novozym 435 and soybean lipoxygenase. 1-Linoleoyl-(2S)-glycerol 151-155 linoleate 9S-lipoxygenase-4 Glycine max 204-216 34571971-15 2021 In conclusion, our data show that human eosinophils and neutrophils metabolize 1-LG and LEA into the novel endogenous 15-lipoxygenase metabolites 13-HODE-G and 13-HODE-EA. 1-Linoleoyl-(2S)-glycerol 79-83 linoleate 9S-lipoxygenase-4 Glycine max 121-133 34571971-15 2021 In conclusion, our data show that human eosinophils and neutrophils metabolize 1-LG and LEA into the novel endogenous 15-lipoxygenase metabolites 13-HODE-G and 13-HODE-EA. Triethylene glycol monododecyl ether 88-91 linoleate 9S-lipoxygenase-4 Glycine max 121-133 34571971-15 2021 In conclusion, our data show that human eosinophils and neutrophils metabolize 1-LG and LEA into the novel endogenous 15-lipoxygenase metabolites 13-HODE-G and 13-HODE-EA. 13-hode-g 146-155 linoleate 9S-lipoxygenase-4 Glycine max 121-133 34066803-0 2021 Exploring the 2"-Hydroxy-Chalcone Framework for the Development of Dual Antioxidant and Soybean Lipoxygenase Inhibitory Agents. 2'-hydroxychalcone 14-33 linoleate 9S-lipoxygenase-4 Glycine max 96-108 34066803-2 2021 In an effort to delineate the structural features that favor antioxidant and lipoxygenase (LOX) inhibitory activity, the design, synthesis, and bioactivity profile of a series of 2"-hydroxy-chalcones bearing diverse substituents on rings A and B, are presented. 2'-hydroxychalcone 179-199 linoleate 9S-lipoxygenase-4 Glycine max 77-89 34066803-2 2021 In an effort to delineate the structural features that favor antioxidant and lipoxygenase (LOX) inhibitory activity, the design, synthesis, and bioactivity profile of a series of 2"-hydroxy-chalcones bearing diverse substituents on rings A and B, are presented. 2'-hydroxychalcone 179-199 linoleate 9S-lipoxygenase-4 Glycine max 91-94 34066803-3 2021 Among all the synthesized derivatives, chalcone 4b, bearing two hydroxyl substituents on ring B, was found to possess the best combined activity (82.4% DPPH radical scavenging ability, 82.3% inhibition of lipid peroxidation, and satisfactory LOX inhibition value (IC50 = 70 muM). Chalcone 39-47 linoleate 9S-lipoxygenase-4 Glycine max 242-245 34066803-4 2021 Chalcone 3c, possessing a methoxymethylene substituent on ring A, and three methoxy groups on ring B, exhibited the most promising LOX inhibitory activity (IC50 = 45 muM). Chalcone 0-8 linoleate 9S-lipoxygenase-4 Glycine max 131-134