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ENZYME entry: EC 3.1.1.83

Accepted Name
monoterpene epsilon-lactone hydrolase.
Alternative Name(s)
MLH.
Reaction catalysed
  • 4-isopropenyl-7-methyloxepan-2-one + H2O <=> 6-hydroxy-3-isopropenylheptanoate + H(+)
  • 7-isopropyl-4-methyloxepan-2-one + H2O <=> 6-hydroxy-3,7-dimethyloctanoate + H(+)
Comment(s)
  • Catalyzes the ring opening of epsilon-lactones which are formed during degradation of dihydrocarveol by the Gram-positive bacterium Rhodococcus erythropolis DCL14.
  • Also acts on ethyl caproate, indicating that it is an esterase with a preference for lactones (internal cyclic esters).
  • Not stereoselective.
Cross-references
BRENDA3.1.1.83
EC2PDB3.1.1.83
ExplorEnz3.1.1.83
PRIAM enzyme-specific profiles3.1.1.83
KEGG Ligand Database for Enzyme Nomenclature3.1.1.83
IUBMB Enzyme Nomenclature3.1.1.83
IntEnz3.1.1.83
MEDLINEFind literature relating to 3.1.1.83
MetaCyc3.1.1.83
Rhea expert-curated reactions3.1.1.83
UniProtKB/Swiss-Prot
Q9EX73, MLHB_RHOER

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