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1.1.1.86: ketol-acid reductoisomerase (NADP+)

This is an abbreviated version!
For detailed information about ketol-acid reductoisomerase (NADP+), go to the full flat file.

Word Map on EC 1.1.1.86

Reaction

(2R)-2,3-dihydroxy-3-methylbutanoate
+
NADP+
=
(2S)-2-hydroxy-2-methyl-3-oxobutanoate
+
NADPH
+
H+

Synonyms

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), EC 1.1.1.89, Icl1p, Ilv5p, ilvC, IlvC-PanE, IlvC1, IlvC2, isomerase, ketol acid reducto-, isomeroreductase, KARI, ketol-acid reductoisomerase, reductoisomerase

ECTree

     1 Oxidoreductases
         1.1 Acting on the CH-OH group of donors
             1.1.1 With NAD+ or NADP+ as acceptor
                1.1.1.86 ketol-acid reductoisomerase (NADP+)

Temperature Optimum

Temperature Optimum on EC 1.1.1.86 - ketol-acid reductoisomerase (NADP+)

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TEMPERATURE OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
40 - 80
-
activity increases from 40 to 80°C
60
the secondary structure of the enzyme remains intact in the presence of 2 mM Mg2+ at 60°C
65 - 95
the enzyme retains most of its native folding, when the temperature is increased to 65°C. At 95°C, the enzyme is completely unfolded