PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7526387-0 1994 Formation of free nitric oxide from l-arginine by nitric oxide synthase: direct enhancement of generation by superoxide dismutase. Arginine 36-46 superoxide dismutase 1 Homo sapiens 109-129 7526387-7 1994 SOD appears to elicit a novel biological action, perhaps accelerating the conversion of an intermediate in the L-arginine-NO pathway such as nitroxyl (HNO) to NO. Arginine 111-121 superoxide dismutase 1 Homo sapiens 0-3 8066083-0 1994 The role of arginine 143 in the electrostatics and mechanism of Cu,Zn superoxide dismutase: computational and experimental evaluation by mutational analysis. Arginine 12-20 superoxide dismutase 1 Homo sapiens 64-90 8066083-14 1994 Results from this joint analysis establish that, aside from the Cu ligands, Arg-143 is the single most important residue in Cu,Zn superoxide dismutase both electrostatically and mechanistically, and provide an explanation for the evolutionary selection of arginine at position 143. Arginine 76-79 superoxide dismutase 1 Homo sapiens 124-150 2492791-20 1989 It appears that the positive charge of arginine-143 plays a role in the binding of HO2- at the active site of human Cu,ZnSOD, and that replacement of the arginine by lysine gives an enzyme with a similar affinity mechanism of inactivation, but with a greatly reduced affinity for HO2-. Arginine 154-162 superoxide dismutase 1 Homo sapiens 116-124 24369116-4 2014 Our results show considerable differences in H43R compared to WT and W32F mutated SOD1, such as increasing distances between the critical residues results in open conformation at the active site, strong fluctuations in the important loops (Zinc and electrostatic loops) and weakening of important hydrogen bonds especially between N (His 43/Arg 43) and carbonyl oxygen (His 120) in agreement with the experimental report. Arginine 341-344 superoxide dismutase 1 Homo sapiens 82-86 2492791-1 1989 Site-specific mutants of human Cu,Zn superoxide dismutase (Cu,ZnSOD) have been prepared in which the active-site arginine at position 143 (i.e., SODR143) has been replaced by either lysine (SODK143) or isoleucine (SODI143). Arginine 113-121 superoxide dismutase 1 Homo sapiens 31-57 2492791-1 1989 Site-specific mutants of human Cu,Zn superoxide dismutase (Cu,ZnSOD) have been prepared in which the active-site arginine at position 143 (i.e., SODR143) has been replaced by either lysine (SODK143) or isoleucine (SODI143). Arginine 113-121 superoxide dismutase 1 Homo sapiens 59-67 2492791-20 1989 It appears that the positive charge of arginine-143 plays a role in the binding of HO2- at the active site of human Cu,ZnSOD, and that replacement of the arginine by lysine gives an enzyme with a similar affinity mechanism of inactivation, but with a greatly reduced affinity for HO2-. Arginine 39-47 superoxide dismutase 1 Homo sapiens 116-124 32955857-3 2020 Mechanistic studies show that the catalysis consists of a three-step reaction: the oxidation of NADPH to produce O2- via oxidase-like activity, the subsequent dismutation of O2- to H2O2 via SOD-like activity, followed by H2O2-mediated oxidation of L-arginine to produce NO via a non-enzymatic pathway. Arginine 248-258 superoxide dismutase 1 Homo sapiens 190-193 30175262-8 2018 Compared with the DT group, the DT + Arg and DT + NCG groups manifested improved anti-hydroxyl radical, catalase, and total superoxide dismutase (T-SOD) activities, increased glutathione content (P < 0.05), and decreased malondialdehyde content (P < 0.05). Arginine 37-40 superoxide dismutase 1 Homo sapiens 124-144 30175262-9 2018 Moreover, compared with the DT group, the DT + Arg and DT + NCG groups enhanced mRNA expression of superoxide dismutase (SOD), glutathione peroxidase 1 (GPx1), glutathione reductase (GR), nuclear factor erythroid 2-related factor 2 (Nrf2), Kelch-like ECH-associated protein 1(Keap-1), and mammalian target of rapamycin (mTOR) (P < 0.05). Arginine 47-50 superoxide dismutase 1 Homo sapiens 99-119 30175262-9 2018 Moreover, compared with the DT group, the DT + Arg and DT + NCG groups enhanced mRNA expression of superoxide dismutase (SOD), glutathione peroxidase 1 (GPx1), glutathione reductase (GR), nuclear factor erythroid 2-related factor 2 (Nrf2), Kelch-like ECH-associated protein 1(Keap-1), and mammalian target of rapamycin (mTOR) (P < 0.05). Arginine 47-50 superoxide dismutase 1 Homo sapiens 121-124 25478411-4 2014 RESULTS: The cord serum NO levels (mumol/lt) showed a significant increase & SOD (U/ml) & GSH (U/lt) values were increased in newborns to mothers diagnosed with IUGR after treatment with L-arginine. Arginine 195-205 superoxide dismutase 1 Homo sapiens 81-84 3112154-1 1987 The active site arginine-143 of human Cu,Zn superoxide dismutase has been replaced by lysine or by isoleucine. Arginine 16-24 superoxide dismutase 1 Homo sapiens 38-64 3024961-1 1986 Quantum mechanical simulations of the mechanism of action of superoxide dismutase (SOD) indicate that the presence of Arg-141 in the active site of the enzyme is responsible for the formation of an intermediate complex between superoxide and the enzyme in which the copper is not reduced. Arginine 118-121 superoxide dismutase 1 Homo sapiens 61-81 3024961-1 1986 Quantum mechanical simulations of the mechanism of action of superoxide dismutase (SOD) indicate that the presence of Arg-141 in the active site of the enzyme is responsible for the formation of an intermediate complex between superoxide and the enzyme in which the copper is not reduced. Arginine 118-121 superoxide dismutase 1 Homo sapiens 83-86 32945480-7 2020 The results showed that, miR-30a-5p mimic reduced the production of ROS in HK-2 cells treated with H/R, but increased the activity of SOD, CAT and GPx. Arginine 27-28 superoxide dismutase 1 Homo sapiens 134-137 28705740-5 2017 Especially, the glutamine metabolic process related molecules, GPX1, GPX3, SMS, GGCT, GSTK1, NFkappaB, GSTT2, SOD1 and GCLM, are involved in the switching process from oxidized glutathione (GSSG) conversion to the reduced glutathione (GSH) by glutathione, mercapturic acid and arginine metabolism process. Arginine 277-285 superoxide dismutase 1 Homo sapiens 110-114 28035186-6 2016 Sequencing of the SOD1 gene by PCR revealed a missense mutation of G to C (c.37G>C) in exon 1, and amino acid substitution of glycine by arginine (p.Gly13Arg). Arginine 140-148 superoxide dismutase 1 Homo sapiens 18-22 27867347-12 2016 Furthermore, seeding the aggregation of DTT/EDTA-treated SOD1G37R with preformed SOD1G93A fibrils elicited minimal aggregation response, suggesting that the arginine substitution at position-37 blocks the templating of SOD1 onto preformed fibrils. Arginine 157-165 superoxide dismutase 1 Homo sapiens 57-61 19071212-3 2009 Albumin, fetal cord serum ultrafiltrate, and L-arginine triggered capacitation and ROS generation (NO* and O(2)(*)(-)) and superoxide dismutase (SOD) and NOS inhibitors prevented all these effects. Arginine 45-55 superoxide dismutase 1 Homo sapiens 145-148 24152914-6 2013 When Cu,Zn-SOD that has been exposed to acrolein was subsequently analyzed by amino acid analysis, serine, histidine, arginine, threonine and lysine residues were particularly sensitive. Arginine 118-126 superoxide dismutase 1 Homo sapiens 11-14 22264771-9 2012 Among the metabolites that contributed most to the CSF signature were arginine, lysine, ornithine, serine, threonine and pyroglutamic acid, all found to be reduced in patients carrying a D90A SOD1 mutation. Arginine 70-78 superoxide dismutase 1 Homo sapiens 192-196 22508683-4 2012 The CCS mutation, p.Arg163Trp, predicts substitution of a highly conserved arginine residue at position 163, with tryptophan in domain II of CCS, which interacts directly with superoxide dismutase 1 (SOD1). Arginine 75-83 superoxide dismutase 1 Homo sapiens 176-198 22508683-4 2012 The CCS mutation, p.Arg163Trp, predicts substitution of a highly conserved arginine residue at position 163, with tryptophan in domain II of CCS, which interacts directly with superoxide dismutase 1 (SOD1). Arginine 75-83 superoxide dismutase 1 Homo sapiens 200-204 20716909-0 2009 Oral administration of L-arginine in patients with angina or following myocardial infarction may be protective by increasing plasma superoxide dismutase and total thiols with reduction in serum cholesterol and xanthine oxidase. Arginine 23-33 superoxide dismutase 1 Homo sapiens 132-152 20716909-6 2009 We have observed that L-arginine administration (three grams per day for 15 days) resulted in increased activity of free radical scavenging enzyme superoxide dismutase (SOD) and increase in the levels of total thiols (T-SH) and ascorbic acid with concomitant decrease in lipid per-oxidation, carbonyl content, serum cholesterol and the activity of proxidant enzyme, xanthine oxidase (XO). Arginine 22-32 superoxide dismutase 1 Homo sapiens 147-167 20716909-6 2009 We have observed that L-arginine administration (three grams per day for 15 days) resulted in increased activity of free radical scavenging enzyme superoxide dismutase (SOD) and increase in the levels of total thiols (T-SH) and ascorbic acid with concomitant decrease in lipid per-oxidation, carbonyl content, serum cholesterol and the activity of proxidant enzyme, xanthine oxidase (XO). Arginine 22-32 superoxide dismutase 1 Homo sapiens 169-172 19243126-9 2009 In agreement, peroxymonocarbonate was docked into the hSod1 active site, where it interacted with the conserved Arg(143). Arginine 112-115 superoxide dismutase 1 Homo sapiens 54-59 19000626-5 2009 Direct sequencing of SOD1 gene revealed a heterozygous mutation in codon 22 substituting a highly conserved amino acid, from glutamine to arginine (Q22R). Arginine 138-146 superoxide dismutase 1 Homo sapiens 21-25 15096035-8 2004 The catalytic and structural role of His41 is consistent with the observation that the mutation of His43 in human SOD (equivalent to His41 in bovine SOD) to Arg largely reduces the dismutase activity and the protein structural stability. Arginine 157-160 superoxide dismutase 1 Homo sapiens 114-117 17042490-5 2006 The chelators also protected the SOD activity against inhibition by the arginine-specific reagent, phenylglyoxal. Arginine 72-80 superoxide dismutase 1 Homo sapiens 33-36 15096035-8 2004 The catalytic and structural role of His41 is consistent with the observation that the mutation of His43 in human SOD (equivalent to His41 in bovine SOD) to Arg largely reduces the dismutase activity and the protein structural stability. Arginine 157-160 superoxide dismutase 1 Homo sapiens 149-152 10912770-1 2000 Cardiovascular responses to L-arginine and nitric oxide (NO) are augmented in the rostral ventrolateral medulla (RVLM) of spontaneously hypertensive rats (SHR), and the intravenous injection of superoxide dismutase (SOD) mimetic decreases the arterial pressure in these rats. Arginine 28-38 superoxide dismutase 1 Homo sapiens 216-219 10912770-3 2000 For this purpose, we administered L-arginine (SHR-Arg: 13.2 micromol/day, n=6), a stable membrane-permeable SOD mimetic, 4-hydroxy-2, 2,6,6-tetramethyl piperidine-1-oxyl (tempol) (SHR-Temp: 13.2 micromol/day, n=6), or vehicle (SHR-C: n=6) into the lateral ventricle of 12-week-old SHR for 2 weeks. Arginine 34-44 superoxide dismutase 1 Homo sapiens 108-111 8962079-8 1996 SOD lowered the NADPH:Cit stoichiometry to 0.8-1.1, suggesting either that additional reducing equivalents besides NADPH are required to explain Arg oxidation to .NO or that .NO was not primarily formed. Arginine 145-148 superoxide dismutase 1 Homo sapiens 0-3 14658402-1 2003 We report the clinical and neuropathological features of a Japanese family with familial amyotrophic lateral sclerosis (FALS), whose members have an amino acid substitution of histidine by arginine in Cu/Zn superoxide dismutase. Arginine 189-197 superoxide dismutase 1 Homo sapiens 201-227 11036505-6 2000 Significantly higher CuZn superoxide dismutase (CuZn-SOD) activity was observed in the L-arginine + L-NAME group compared to arginine. Arginine 87-97 superoxide dismutase 1 Homo sapiens 21-46 11036505-6 2000 Significantly higher CuZn superoxide dismutase (CuZn-SOD) activity was observed in the L-arginine + L-NAME group compared to arginine. Arginine 87-97 superoxide dismutase 1 Homo sapiens 48-56 11036505-6 2000 Significantly higher CuZn superoxide dismutase (CuZn-SOD) activity was observed in the L-arginine + L-NAME group compared to arginine. Arginine 89-97 superoxide dismutase 1 Homo sapiens 21-46 11036505-6 2000 Significantly higher CuZn superoxide dismutase (CuZn-SOD) activity was observed in the L-arginine + L-NAME group compared to arginine. Arginine 89-97 superoxide dismutase 1 Homo sapiens 48-56