18.104.22.168: ketol-acid reductoisomerase (NADP+)
This is an abbreviated version, for detailed information about ketol-acid reductoisomerase (NADP+), go to the full flat file.
2-hydroxy-3-keto acid reductoisomerase, acetohydroxy acid isomeroreductase, acetohydroxy acid reductoisomerase, acetohydroxy-acid isomeroreductase , acetohydroxy-acid reductoisomerase , acetohydroxyacid isomeroreductase, acetolactate reductoisomerase, AHAIR, AHIR, alpha-keto-beta-hydroxylacil reductoisomerase, alpha-keto-beta-hydroxylacyl reductoisomerase, class II ketol-acid reductoisomerase, dehydrogenase, dihydroxyisovalerate (isomerizing), dihydroxyisovalerate dehydrogenase (isomerizing), Icl1p, Ilv5p, ilvC, IlvC-PanE, IlvC1, IlvC2, isomerase, ketol acid reducto-, isomeroreductase, KARI, ketol-acid reductoisomerase, reductoisomerase
Specific Activity on EC 22.214.171.124 - ketol-acid reductoisomerase (NADP+)
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purified recombinant enzyme, substrate 2-acetolactate
purified recombinant enzyme, substrate hydroxypyruvate
deletion mutant DELTA423-430/F431S
the specific activity with pyruvate is 1% and with 2-ketovalerate, 2-ketopantoate and 2-ketobutyrate is 8% of that of 2-acetolactate, comparison of activities of wild-type and mutant enzymes
Arabidopsis thaliana acetohydroxy acid synthase is genetically fused in frame with the nucleotide sequence coding for the Spinacia oleracea acetohydroxy acid isomeroreductase and expressed in E. coli