cholest-4-en-3-one 26-monooxygenase [(25R)-3-oxocholest-4-en-26-oate forming] EC#: 1.14.15.28; ChemWhat Code: 1375719
| Product Name | cholest-4-en-3-one 26-monooxygenase [(25R)-3-oxocholest-4-en-26-oate forming] |
| Example Structure | ![Example Structure of cholest-4-en-3-one 26-monooxygenase [(25R)-3-oxocholest-4-en-26-oate forming] EC#: 1.14.15.28](/wp-content/uploads/enzyme-structure/1.14.15.28.jpg) |
| Synonyms | CYP142, CYP142A1, CYP142A2 |
| EC Number | 1.14.15.28 |
| CAS Registry Number | |
| Comments | This cytochrome P450 (heme-thiolate) enzyme, found in several bacterial pathogens, is involved in degradation of the host cholesterol. It catalyses the hydroxylation of the C-26 carbon, followed by oxidation of the alcohol to the carboxylic acid via the aldehyde intermediate, initiating the degradation of the alkyl side-chain of cholesterol. The products are exclusively in the (25R) conformation. The enzyme also accepts cholesterol as a substrate. cf. 1.14.15.29, cholest-4-en-3-one 26-monooxygenase [(25S)-3-oxocholest-4-en-26-oate forming]. The enzyme can receive electrons from ferredoxin reductase in vitro, its natural electron donor is not known yet. |
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