In enzymology, a maltose epimerase (EC 5.1.3.21) is an enzyme that catalyzes the chemical reaction

maltose epimerase
Identifiers
EC no.5.1.3.21
CAS no.166799-98-0
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
Search
PMCarticles
PubMedarticles
NCBIproteins
alpha-maltose beta-maltose

Hence, this enzyme has one substrate, alpha-maltose, and one product, beta-maltose.

This enzyme belongs to the family of isomerases, specifically those racemases and epimerases acting on carbohydrates and derivatives. The systematic name of this enzyme class is maltose 1-epimerase.

References

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  • Shirokane Y, Suzuki M (1995). "A novel enzyme, maltose 1-epimerase from Lactobacillus brevis IFO 3345". FEBS Lett. 367 (2): 177–9. doi:10.1016/0014-5793(95)00524-D. PMID 7796915.