Enzyme Details

Enzyme (Recommended) Name	dihydroxy-acid dehydratase
Alternative names	alpha,beta-dihydroxyacid dehydratase 2,3-dihydroxy-3-methylbutanoate hydro-lyase (3-methyl-2-oxobutanoate-forming) acetohydroxyacid dehydratase 2,3-dihydroxyisovalerate dehydratase alpha,beta-dihydroxyisovalerate dehydratase dihydroxy acid dehydrase DHAD 2,3-dihydroxy-acid hydro-lyase
EC Classification	4.2.1.9
Classification	Lyases Carbon-oxygen lyases Hydro-lyases
Catalyses reactions	2,3-Dihydroxy-3-methylbutanoate <-> H2O + alpha-Ketovaline (R)-2,3-Dihydroxy-3-methylbutanoate <-> H2O + alpha-Ketovaline (R)-2,3-Dihydroxy-3-methylpentanoate <-> H2O + (R)-2-Oxo-3-methylpentanoate Threonate <-> H2O + 4-Hydroxy-2-oxobutanoic acid D-Erythronic acid <-> H2O + 4-Hydroxy-2-oxobutanoic acid
External links	Expasy KEGG IntEnz (EBI) IUBMB Reactome HepatoSys
	View all entries for EC Class 4.2.1.9