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Lanosterol 14-alpha demethylase CYP51

UniProtKB accession:  P10614
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Go to UniProtKB:  P10614
UniProtKB description:  Sterol 14alpha-demethylase that plays a critical role in the third module of ergosterol biosynthesis pathway, being ergosterol the major sterol component in fungal membranes that participates in a variety of functions (PubMed:105731, PubMed:369554). The third module or late pathway involves the ergosterol synthesis itself through consecutive reactions that mainly occur in the endoplasmic reticulum (ER) membrane (PubMed:32679672). Starting from lanosterol (lanosta-8,24-dien-3beta-ol), it catalyzes the three-step oxidative removal of the 14alpha-methyl group (C-32) of the sterol in the form of formate, and converts the sterol to 4,4-dimethyl-5alpha-cholesta-8,14,24-trien-3beta-ol, which is critical for ergosterol biosynthesis (PubMed:105731, PubMed:3543000, PubMed:369554). Can demethylate substrates not intrinsic to yeast, such as eburicol (24-methylene-24,25-dihydrolanosterol) at a similar rate to lanosterol, and at a lower rate the 24,25-dihydrolanosterol (DHL) to 4,4-dimethyl-8,14-cholestadien-3beta-ol (PubMed:1872829, PubMed:3543000).
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