From Wikipedia, the free encyclopedia Cytochromes P450 (CYPs) are a superfamily of enzymes containing heme as a cofactor that function as monooxygenases. In mammals, these proteins oxidize steroids, fatty acids, and xenobiotics, and are important for the clearance of various compounds, as well as for hormone synthesis and breakdown.
- Ferredoxin Reductase
This set index page lists enzyme articles associated with...
Genes encoding CYP enzymes, and the enzymes themselves, are...
Based on the nature of the electron transfer proteins, CYPs...
- Ferredoxin Reductase
The reduction of cytochrome P450 is not the only physiological function of POR. The final step of hemeoxidation by mammalian heme oxygenaserequires POR and O2. In yeast, POR affects the ferrireductase activity, probably transferring electrons to the flavocytochrome ferric reductase.
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Cytochrome P450 3A4 (abbreviated CYP3A4) (EC 220.127.116.11) is an important enzyme in the body, mainly found in the liver and in the intestine. It oxidizes small foreign organic molecules (xenobiotics), such as toxins or drugs, so that they can be removed from the body.
Cytochrome P450 1A2 (abbreviated CYP1A2), a member of the cytochrome P450 mixed-function oxidase system, is involved in the metabolism of xenobiotics in the body. In humans, the CYP1A2 enzyme is encoded by the CYP1A2 gene.
Cytochrome P450 aromatic O-demethylase assists in the partial O-demethylation of lignin. The resulting 1,2-diols are well suited for oxidative degradation via intra- and extra-diol dioxygenases. Thus O-demethylated lignins are potentially susceptible to partial depolymerization.
CYP2D6, a member of the cytochrome P450 mixed-function oxidase system, is one of the most important enzymes involved in the metabolism of xenobiotics in the body.
Cytochrome function is linked to the reversible redox change from ferrous (Fe(II)) to the ferric (Fe(III)) oxidation state of the iron found in the heme core. In addition to the classification by the IUBMB into four cytochrome classes, several additional classifications such as cytochrome o and cytochrome P450 can be found in biochemical ...
Citocromo P450 Na Galipedia, a Wikipedia en galego. (Redirixido desde " Citocromo P450 oxidase ") O citocromo P450 é unha superfamilia de encimas monooxixenases (oficialmente abreviadas como CYP) constituída por un grupo grande e diverso de encimas que catalizan a oxidación de compostos orgánicos.
In microbiology, the oxidase test is used as a phenotypic characteristic for the identification of bacterial strains; it determines whether a given bacterium produces cytochrome oxidases (and therefore utilizes oxygen with an electron transfer chain). Oxidase test is used to determine whether a bacterium is an aerobe or anaerobe.