In enzymology, a mannose isomerase (EC 5.3.1.7) is an enzyme that catalyzes the chemical reaction

mannose isomerase
Identifiers
EC no.5.3.1.7
CAS no.9031-25-8
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
Search
PMCarticles
PubMedarticles
NCBIproteins
D-mannose D-fructose

Hence, this enzyme has one substrate, D-mannose, and one product, D-fructose.

This enzyme belongs to the family of isomerases, specifically those intramolecular oxidoreductases interconverting aldoses and ketoses. The systematic name of this enzyme class is D-mannose aldose-ketose-isomerase. Other names in common use include D-mannose isomerase, and D-mannose ketol-isomerase. This enzyme participates in fructose and mannose metabolism.

References

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  • Palleroni NJ, Doudoroff M (January 1956). "Mannose isomerase of Pseudomonas saccharophila". The Journal of Biological Chemistry. 218 (1): 535–48. PMID 13278359.