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ENZYME

ENZYME entry: EC 5.1.3.31

PURL: https://purl.expasy.org/enzyme/EC/5.1.3.31
Accepted Name
D-tagatose 3-epimerase
Alternative Name(s)
ketose 3-epimerase
L-ribulose 3-epimerase
Reaction catalysed
  • keto-D-tagatose = keto-D-sorbose
  • D-allulose = keto-D-fructose
Comment(s)
  • The enzymes isolated from the bacteria Pseudomonas cichorii, Pseudomonas sp. ST-24, Rhodobacter sphaeroides and Mesorhizobium loti catalyze the epimerization of various ketoses at the C3 position, interconverting D-fructose and D-psicose, D-tagatose and D-sorbose, D-ribulose and D-xylulose, and L-ribulose and L-xylulose.
  • The specificity depends on the species.
Cross-references
BRENDA5.1.3.31
EC2PDB5.1.3.31
ExplorEnz5.1.3.31
KEGG Ligand Database for Enzyme Nomenclature5.1.3.31
IUBMB Enzyme Nomenclature5.1.3.31
MEDLINEFind literature relating to 5.1.3.31
MetaCyc5.1.3.31
Rhea expert-curated reactions5.1.3.31
UniProtKB/Swiss-Prot
C1KKR1, DT3E_CERSPO50580, DT3E_PSECIA0A172U6X0, LR3E_METSD
Q98FW0, LR3E_RHILO

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