. "\"Catalysis of the reaction: NADP+ + 4,4-dimethyl-5-alpha-cholesta-8,24-dien-3-beta-ol = NADPH + H+ + 4,4-dimethyl-5-alpha-cholesta-8,14,24-trien-3-beta-ol.\" [EC:1.3.1.70, MetaCyc:1.3.1.70-RXN]" . . "delta14-sterol reductase activity" . "4,4-dimethyl-5alpha-cholesta-8,24-dien-3beta-ol:NADP+ delta14-oxidoreductase activity" . "C-14 sterol reductase activity" . "D14-sterol reductase activity" . "sterol C-14 reductase activity" . "sterol C14-reductase activity" . "EC:1.3.1.70" . "MetaCyc:1.3.1.70-RXN" . "Reactome:REACT_10081 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Homo sapiens\"" . "Reactome:REACT_100840 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Taeniopygia guttata\"" . "Reactome:REACT_103229 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Dictyostelium discoideum\"" . "Reactome:REACT_104908 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Mus musculus\"" . "Reactome:REACT_105788 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Saccharomyces cerevisiae\"" . "Reactome:REACT_109461 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Rattus norvegicus\"" . "Reactome:REACT_110089 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Xenopus tropicalis\"" . "Reactome:REACT_113353 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Drosophila melanogaster\"" . "Reactome:REACT_115123 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Drosophila melanogaster\"" . "Reactome:REACT_77840 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Oryza sativa\"" . "Reactome:REACT_78162 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Arabidopsis thaliana\"" . "Reactome:REACT_84048 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Danio rerio\"" . "Reactome:REACT_84067 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Gallus gallus\"" . "Reactome:REACT_84076 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Schizosaccharomyces pombe\"" . "Reactome:REACT_84647 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Schizosaccharomyces pombe\"" . "Reactome:REACT_85361 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Arabidopsis thaliana\"" . "Reactome:REACT_85449 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Oryza sativa\"" . "Reactome:REACT_85695 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Canis familiaris\"" . "Reactome:REACT_88036 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Canis familiaris\"" . "Reactome:REACT_88073 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Mus musculus\"" . "Reactome:REACT_90470 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Saccharomyces cerevisiae\"" . "Reactome:REACT_91494 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Dictyostelium discoideum\"" . "Reactome:REACT_91659 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Danio rerio\"" . "Reactome:REACT_92161 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Rattus norvegicus\"" . "Reactome:REACT_95974 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Sus scrofa\"" . "Reactome:REACT_96585 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Bos taurus\"" . "Reactome:REACT_98864 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Xenopus tropicalis\"" . "Reactome:REACT_99055 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [TM7SF2], Bos taurus\"" . "Reactome:REACT_9995 \"4,4-dimethylcholesta-8(9),14,24-trien-3beta-ol is reduced to 4,4-dimethylcholesta-8(9),24-dien-3beta-ol [LBR], Homo sapiens\"" . "RHEA:18564" . "Note that zymosterol is cholesta-8,24-dien-3-ol." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .