PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6814537-5 1982 The coincidence of the values of the rate constants and activation energy (56 +/- 5 kJ/mol) for the fast phase of NADPH-dependent reduction of cytochrome P-450 with values of catalytic constants and activation energy for demethylation of tertiary amines suggests that the first electron transfer process from NADPH-cytochrome P-450 reductase to cytochrome P-450 may be the rate-limiting step. Amines 247-253 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 143-159 8082573-2 1994 Inherent substrate factors, such as basicity, electronic state, lipophilicity, and conformation control binding of the diverse classes of amines to cytochrome P-450. Amines 138-144 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 148-164 8082573-6 1994 Certain amines appear to regulate O2 association with cytochrome P-450 and stabilize the various oxy species formed. Amines 8-14 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 54-70 8082573-7 1994 Considering the selective prerequisites for oxidative attack by cytochrome P-450 at vulnerable nitrogen centers, many cytotoxic amines belonging to the category of relatively rigid, planar molecules undergo N-oxidative activation by the cytochrome P-450IA subfamily, while more bulky amines with flexible conformation are N-oxygenated preferentially by phenobarbital-inducible cytochromes P-450. Amines 128-134 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 64-80 8082573-7 1994 Considering the selective prerequisites for oxidative attack by cytochrome P-450 at vulnerable nitrogen centers, many cytotoxic amines belonging to the category of relatively rigid, planar molecules undergo N-oxidative activation by the cytochrome P-450IA subfamily, while more bulky amines with flexible conformation are N-oxygenated preferentially by phenobarbital-inducible cytochromes P-450. Amines 284-290 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 64-80 2322954-6 1990 Similarities are found between alcohol inhibition and the binding of alkyl amines to cytochrome P-450, suggesting that alcohols may bind to the amine binding site. Amines 75-80 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 85-101 6341732-1 1983 The metabolism of tertiary amines is mediated primarily by cytochrome P-450 and MFAO, leading to alpha-C oxidation and N-oxidation, respectively. Amines 27-33 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 59-84 6341732-3 1983 The proposed oxidation of tertiary amines to iminium ions by cytochrome P-450 may explain the isolation of various intramolecular and cyanide-trapped metabolites. Amines 35-41 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 61-77 8847710-0 1995 Some aspects of the role of cytochrome P-450 isozymes in the N-oxidative transformation of secondary and tertiary amine compounds. Amines 114-119 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 28-44 1930182-3 1991 In cases where iminium-enamine coupling is sterically prevented, the iminium in equilibrium with enamine species can be studied independently and are found to be more potent metabolism-dependent inactivators of cytochrome P-450 than are the corresponding parent amines. Amines 262-268 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 211-227 2600595-1 1989 Initial reaction rates of oxygen consumption and hydrogen peroxide formation in a cytochrome P-450 catalyzed reaction are practically independent of the nature of tertiary amines that were used as substrates. Amines 172-178 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 82-98 23870-0 1978 [Kinetics of N-dealkylation of amines with participation of microsomal cytochrome P-450]. Amines 31-37 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 71-87 7296714-0 1981 Oxidative dealkylation of tertiary amines by iron(III) porphyrin-iodosoxylene system as a model of cytochrome P-450. Amines 35-41 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 99-115 647071-0 1978 [Kinetic and spectral parameters of the amines oxidative N-dealkylation with participation of the liver microsomal cytochrome P-450. Amines 40-46 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 115-131 647071-2 1978 Kinetics of demethylation of a number of amines involving hepatic microsomal cytochrome P-450 and organic hydroperoxides (tret-butyl- and cumylhydroperoxide) have been investigated. Amines 41-47 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 77-93 23870-1 1978 Within the temperature range of 20-37 degrees C the kinetics of the demethylation reactions of a variety of amines with participation of hepatic microsomal cytochrome P-450, NADPH and O2 has been studied. Amines 108-114 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 156-172 23870-6 1978 The nature of the limiting step of the enzymatic amine demethylation involving cytochrome P-450 of hepatic microsomes is discussed. Amines 49-54 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 79-95 21504003-6 2011 The suggested reaction pathways included N-methylation leading to iminium formation in primary and/or secondary amines preceded by cytochrome P450 (CYP)-mediated reactions. Amines 112-118 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 131-146 4149397-0 1973 The role of cytochrome P-450 in the N-oxidation of individual amines. Amines 62-68 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 12-28 26598170-0 2011 Do Two Different Reaction Mechanisms Contribute to the Hydroxylation of Primary Amines by Cytochrome P450? Amines 80-86 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 90-105 26598170-1 2011 Three possible mechanisms have been suggested for the hydroxylation of primary and secondary amines by the cytochrome P450 enzyme family. Amines 93-99 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 107-122 21504003-6 2011 The suggested reaction pathways included N-methylation leading to iminium formation in primary and/or secondary amines preceded by cytochrome P450 (CYP)-mediated reactions. Amines 112-118 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 148-151 16922637-4 2005 These interactions may occur not only in the liver, but also in the brain, and may change the activity of CYP towards the metabolism of drugs, sex steroids, neurosteroids and amine neurotransmitters. Amines 175-180 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 106-109 12564927-1 2003 Human cytochrome P450 (P450) 2D6 is an important enzyme involved in the metabolism of drugs, many of which are amines or contain other basic nitrogen atoms. Amines 111-117 cytochrome P450 family 4 subfamily F member 3 Homo sapiens 6-32