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(S)-2-methylmalate dehydratase

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(S)-2-methylmalate dehydratase
Identifiers
EC no.4.2.1.34
CAS no.9027-94-5
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
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PMCarticles
PubMedarticles
NCBIproteins

The enzyme (S)-2-methylmalate dehydratase (EC 4.2.1.34) catalyzes the chemical reaction:

(S)-2-methylmalate 2-methylfumarate + H2O

This enzyme belongs to the family of lyases, specifically the hydro-lyases, which cleave carbon-oxygen bonds. The systematic name of this enzyme class is (S)-2-methylmalate hydro-lyase (2-methylfumarate-forming). Other names in common use include mesaconate hydratase, (+)-citramalate hydro-lyase, L-citramalate hydrolase, citramalate dehydratase, (+)-citramalic hydro-lyase, mesaconate mesaconase, mesaconase, and (S)-2-methylmalate hydro-lyase.

This enzyme participates in c5-branched dibasic acid metabolism. In addition, the family of lyases which is also an enzyme catalyzes the breaking the elimination reaction of the variety of amounts of chemical bonds from hydrolysis (a substitution reaction ) and oxidation, which forms a new double bond or a new ring structure.

References

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  • Blair AH, Barker HA (1966). "Assay and purification of (+)-citramalate hydro-lyase components from Clostridium tetanomorphum". J. Biol. Chem. 241 (2): 400–8. PMID 5903732.
  • Wang CC, Barker HA (1969). "Purification and properties of L-citramalate hydrolyase". J. Biol. Chem. 244 (10): 2516–26. PMID 5769987.