4.2.1.33: 3-isopropylmalate dehydratase
This is an abbreviated version!
For detailed information about 3-isopropylmalate dehydratase, go to the full flat file.
Reaction
Synonyms
3-isopropylmalate dehydratase, 3-isopropylmalate isomerase, Alpha-IPM isomerase, alpha-isopropylmalate isomerase, beta-Isopropylmalate dehydratase, dehydratase,beta-isopropylmalate, IPM dehydratase, IPM isomerase, IPMI, IPMI SSU1, isopropylmalate dehydratase, isopropylmalate isomerase, LEU1S, leuC, LeuCD, LeuD, MJ0499, More, SOI10, Superoxide-inducible protein 10
ECTree
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Reaction
Reaction on EC 4.2.1.33 - 3-isopropylmalate dehydratase
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stoichiometry of reaction, enzyme also hydrates 2-isopropylmaleate to 3-hydroxy-4-methyl-3-carboxypentanoate, interconversion between the 2 isomers
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(2R,3S)-3-isopropylmalate = 2-isopropylmaleate + H2O
equilibrium concentration ratios
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(2R,3S)-3-isopropylmalate = 2-isopropylmaleate + H2O
feedback regulation by leucine
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(2R,3S)-3-isopropylmalate = 2-isopropylmaleate + H2O
mechanism, equilibrium in vitro favors reaction opposite the direction of leucine biosynthesis
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(2R,3S)-3-isopropylmalate = 2-isopropylmaleate + H2O
transcriptional feedback regulation by leucine
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