PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 15538122-3 2004 Because NADPH-oxidase/MPO may oxidize clozapine to highly reactive nitrenium ions, we investigated the role of hereditary polymorphisms in the NADPH oxidase/myeloperoxidase system in agranulocytosis patients who received clozapine (n = 49), ticlopidine (n = 11), and other drugs prior to the event. nitrenium 67-76 myeloperoxidase Homo sapiens 22-25 12919042-3 2003 In TFEA, spirodienones bearing the 1-azaspiro[4.5]decane skeleton are obtained by treatment of N-phthalimido-3-(4-halogenophenyl)propanamides with HTIB as a result of ipso attack of the intermediate nitrenium ion. nitrenium 199-208 transcription factor binding to IGHM enhancer 3 Homo sapiens 3-7 29851463-3 2018 The NAT enzyme activates an arylhydroxamic acid functionality into a nitrenium ion that reacts fast, covalently, and under neutral conditions with nucleophilic residues of neighboring proteins. nitrenium 69-78 bromodomain containing 2 Homo sapiens 4-7 31725283-3 2019 The present study demonstrated that TFT was oxidized to a chemically reactive nitrenium ion by myeloperoxidase (MPO) occurring in neutrophils. nitrenium 78-87 myeloperoxidase Homo sapiens 95-110 31725283-3 2019 The present study demonstrated that TFT was oxidized to a chemically reactive nitrenium ion by myeloperoxidase (MPO) occurring in neutrophils. nitrenium 78-87 myeloperoxidase Homo sapiens 112-115 11525925-6 2001 P450 1B1 had the highest catalytic activities among P450 family 1 enzymes for the activation of 1-aminopyrene (1-AP) in the OAT-overexpressing strain NM2009, suggesting nitrenium ion formation via N-hydroxylation/O-acetylation. nitrenium 169-178 cytochrome P450 family 1 subfamily B member 1 Homo sapiens 0-8 31459169-1 2018 Nitrenium ion species are examined using computational methods (DFT, MP2, coupled-cluster, and a composite method, CBS-APNO) with a particular emphasis on nonaromatic species (i.e., those lacking an aromatic or heteroaromatic ring in direct conjugation with the formal nitrenium ion center.) nitrenium 0-9 tryptase pseudogene 1 Homo sapiens 69-72 17542636-0 2007 Synthesis and decomposition of an ester derivative of the procarcinogen and promutagen, PhIP, 2-amino-1-methyl-6-phenyl-1H-imidazo[4,5-b]pyridine: unusual nitrenium ion chemistry. nitrenium 155-164 pleckstrin homology domain interacting protein Homo sapiens 88-92 28984748-8 2018 Nitrenium ion is mainly synthesized by CYP3A4, CYP2D6, and myeloperoxidase system in leukocytes. nitrenium 0-9 cytochrome P450 family 2 subfamily D member 6 Homo sapiens 47-53 24410629-2 2014 The major event of the mechanism of their mutagenicity is N-hydroxylation by P450 enzymes, primarily P450 1A2 (CYP1A2), which leads to the formation of nitrenium ions that covalently modify nucleobases of DNA. nitrenium 152-161 cytochrome P450 family 1 subfamily A member 2 Homo sapiens 111-117 24185126-8 2014 The different hGSTP1-1 mutants showed slightly altered regioselectivities in formation of individual GSH conjugates of clozapine which suggests that the binding orientation of the reactive nitrenium ion of clozapine is affected by the mutations. nitrenium 189-198 glutathione S-transferase pi 1 Homo sapiens 14-22 23786256-3 2013 These amines are activated by CYP450 1A1, apparently into hydroxylamines 8a-g that are likely metabolized into esters that ionize into nitrenium ions responsible for cellular damage. nitrenium 135-144 solute carrier family 45 member 2 Homo sapiens 37-40 16083506-1 2005 BACKGROUND: N-acetyltransferase 2 is phase II metabolizing enzyme that participates in the bioconversion of heterocyclic arylamines into electrophilic nitrenium ions, which are important ultimate carcinogens that are directly implicated in tumor initiation process. nitrenium 151-160 N-acetyltransferase 2 Homo sapiens 12-33 16137733-3 2006 First, it was shown that HCEC cells express sulfotransferase 1A1, which is needed to metabolize N-OH-PhIP to the corresponding N-sulfonyloxy derivative, the direct precursor molecule of genotoxic nitrenium ions. nitrenium 196-205 sulfotransferase family 1A member 1 Homo sapiens 44-64