Steroid C26-monooxygenase

UniProtKB accession:  A0R4Q6

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UniProtKB description:  Involved in the utilization of cholesterol as the sole carbon and energy source by degrading the side chain. Primarily catalyzes the sequential oxidation of the terminal methyl of cholest-4-en-3-one into (25R)-26-hydroxycholest-4-en-3-one (alcohol), (25R)-26-oxocholest-4-en-3-one (aldehyde), to finally yield the carboxylic acid (25R)-3-oxocholest-4-en-26-oate. Also able to sequentially oxidize cholesterol itself, not only cholest-4-en-3-one.