Title : Enzymatic metabolism of ergosterol by cytochrome p450scc to biologically active 17alpha,24-dihydroxyergosterol.

Pub. Date : 2005 Aug

PMID : 16125105






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1 Enzymatic metabolism of ergosterol by cytochrome p450scc to biologically active 17alpha,24-dihydroxyergosterol. Ergosterol cytochrome P450 family 11 subfamily A member 1 Homo sapiens
2 We demonstrate the metabolism of ergosterol by cytochrome P450scc in either a reconstituted system or isolated adrenal mitochondria. Ergosterol cytochrome P450 family 11 subfamily A member 1 Homo sapiens
3 Thus, in comparison with cholesterol and 7-dehydrocholesterol, the 24-methyl group and the C22-C23 double bond of ergosterol prevent side chain cleavage by P450scc and change the enzyme"s hydroxylase activity from C22 and C20, to C24 and C17, generating bioactive product. Ergosterol cytochrome P450 family 11 subfamily A member 1 Homo sapiens