Term Name: | ketol-acid reductoisomerase activity |
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Synonyms: | (R)-2,3-dihydroxy-3-methylbutanoate:NADP+ oxidoreductase (isomerizing), 2-hydroxy-3-keto acid reductoisomerase activity, acetohydroxy acid isomeroreductase activity, acetohydroxy acid reductoisomerase activity, acetolactate reductoisomerase activity, alpha-keto-beta-hydroxylacyl reductoisomerase activity, dihydroxyisovalerate (isomerizing) dehydrogenase activity, dihydroxyisovalerate dehydrogenase (isomerizing) activity, isomeroreductase activity, ketol acid reductoisomerase activity, reductoisomerase activity |
Definition: | Catalysis of the reaction: (R)-2,3-dihydroxy-3-methylbutanoate + NADP+ = (S)-2-hydroxy-2-methyl-3-oxobutanoate + NADPH + H+. |
Ontology: | GO: Molecular Function [GO:0004455] QuickGO AmiGO |