EC - Galactose-6-phosphate isomerase

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IntEnz Enzyme Nomenclature


Accepted name:
galactose-6-phosphate isomerase
Other name:
D-galactose-6-phosphate ketol-isomerase
Systematic name:
D-galactose-6-phosphate aldose-ketose-isomerase



involved in the tagatose 6-phosphate pathway of lactose catabolism in bacteria.

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ERGO , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Structural data: CSA , EC2PDB
Gene Ontology: GO:0050044
UniProtKB/Swiss-Prot: (112) [show] [UniProt]


  1. De Vos, W.M., Boerrigter, I., Van Rooijen, R.J., Reiche, B., Hengstenberg, W.
    Characterization of the lactose-specific enzymes of the phosphotransferase system in Lactococcus lactis.
    J. Biol. Chem. 265: 22554-22560 (1990). [PMID: 2125052]
  2. Van Rooijen, R.J., Van Schalkwijk, S., De Vos, W.M.
    Molecular cloning, characterization, and nucleotide sequence of the tagatose 6-phosphate pathway gene cluster of the lactose operon of Lactococcus lactis.
    J. Biol. Chem. 266: 7176-7181 (1991). [PMID: 1901863]

[EC created 1999]