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The cytochrome P450 (CYP) superfamily of membrane-bound (typically endoplasmic reticulum-bound) enzymes contain a heme cofactor and therefore are hemoproteins.The superfamily comprises more than 11,000 genes categorized into 1,000 families that are distributed broadly throughout bacteria, archaea, fungi, plants, animals, and even viruses.
A second electron is transferred, from either cytochrome P450 reductase, ferredoxins, or cytochrome b 5, reducing the Fe-O 2 adduct to give a short-lived peroxo state. The peroxo group formed in step 4 is rapidly protonated twice, releasing one molecule of water and forming the highly reactive species referred to as P450 Compound 1 (or just ...
This is a list of cytochrome P450 modulators, or inhibitors and inducers of cytochrome P450 enzymes. Enzyme Inhibitors Inducers; CYP1A1: Certain foods (e.g., cumin ...
1544 13077 Ensembl ENSG00000140505 ENSMUSG00000032310 UniProt P05177 P00186 RefSeq (mRNA) NM_000761 NM_009993 RefSeq (protein) NP_000752 NP_034123 Location (UCSC) Chr 15: 74.75 – 74.76 Mb Chr 9: 57.58 – 57.59 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Cytochrome P450 1A2 (abbreviated CYP1A2), a member of the cytochrome P450 mixed-function oxidase system, is involved in the ...
Cytochrome P450 aromatic O-demethylase, which is made of two distinct promiscuous parts: a cytochrome P450 protein (GcoA) and three domain reductase, is significant for its ability to convert Lignin, the aromatic biopolymer common in plant cell walls, into renewable carbon chains in a catabolic set of reactions. In short, it is a facilitator of ...
Any enzyme system that includes cytochrome P450 protein or domain can be called a P450-containing system. [1] [2] [3] [4]P450 enzymes usually function as a terminal oxidase in multicomponent electron-transfer chains, called P450-containing monooxygenase systems, although self-sufficient, non-monooxygenase P450s have been also described.
Fluoroquinolones have varying specificity for cytochrome P450, so may have interactions with drugs cleared by those enzymes; the order from most P450-inhibitory to least, is enoxacin > ciprofloxacin > norfloxacin > ofloxacin, levofloxacin, trovafloxacin, gatifloxacin, moxifloxacin. [50]
n/a Ensembl n/a n/a UniProt n a n/a RefSeq (mRNA) NM_000775 n/a RefSeq (protein) n/a n/a Location (UCSC) n/a n/a PubMed search n/a Wikidata View/Edit Human Cytochrome P450, family 3, subfamily A, also known as CYP3A, is a human gene locus. A homologous locus is found in mice. The CYP3A locus includes all the known members of the 3A subfamily of the cytochrome P450 superfamily of genes. These ...