sterol desaturase activity cholesterol 7-desaturase [NAD(P)H] activity https://github.com/geneontology/go-ontology/issues/27381 MetaCyc:RXN-16379 RHEA:51644 EC:1.14.19.21 2024-03-26T16:57:18Z Catalysis of the reaction: cholesterol + H+ + NAD(P)H + O2 = 7-dehydrocholesterol + 2 H2O + NAD(P)+. GO:0170056 molecular_function RHEA:45024 cholesterol 7,8-dehydrogenase C-7 cholesterol dehydrogenase ew