Mannonate dehydratase

mannonate dehydratase
Identifiers
EC number 4.2.1.8
CAS number 9024-31-1
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / EGO

In enzymology, a mannonate dehydratase (EC 4.2.1.8) is an enzyme that catalyzes the chemical reaction

D-mannonate 2-dehydro-3-deoxy-D-gluconate + H2O

Hence, this enzyme has one substrate, D-mannonate, and two products, 2-dehydro-3-deoxy-D-gluconate and 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 D-mannonate hydro-lyase (2-dehydro-3-deoxy-D-gluconate-forming). Other names in common use include mannonic hydrolase, mannonate hydrolyase, altronic hydro-lyase, altronate hydrolase, D-mannonate hydrolyase, and D-mannonate hydro-lyase. This enzyme participates in pentose and glucuronate interconversions.

Structural studies

As of late 2007, only one structure has been solved for this class of enzymes, with the PDB accession code 1TZ9.

References


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