| id | GO:0000253 Detailed information
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| name | 3-keto sterol reductase activity
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| namespace | molecular_function
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| alt_id | GO:0050576
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| def | "Catalysis of the reaction: a 3-beta-hydroxyl sterol + NADP+ = a 3-keto sterol + NADPH + H+." [EC:1.1.1.270, GOC:mah, MetaCyc:1.1.1.270-RXN, MetaCyc:RXN3O-4110, MetaCyc:RXN66-19, MetaCyc:RXN66-24, MetaCyc:RXN66-314, MetaCyc:RXN66-319, PMID:9811880]
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| comment | Note that zymosterol is cholesta-8,24-dien-3-ol.
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| synonym | "3-keto-steroid reductase activity" EXACT []
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| synonym | "3-KSR activity" EXACT [EC:1.1.1.270]
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| synonym | "3beta-hydroxy-steroid:NADP+ 3-oxidoreductase" RELATED [EC:1.1.1.270]
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| xref | EC:1.1.1.270
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| xref | MetaCyc:1.1.1.270-RXN
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| xref | MetaCyc:RXN3O-4110
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| xref | MetaCyc:RXN66-19
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| xref | MetaCyc:RXN66-24
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| xref | MetaCyc:RXN66-314
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| xref | MetaCyc:RXN66-319
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| xref | Reactome:22671 "3-keto sterol reductase activity"
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| is_a | GO:0016616 ! oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
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