IUBMB Enzyme Nomenclature


Accepted name: galactose-6-phosphate isomerase

Reaction: D-galactose 6-phosphate = D-tagatose 6-phosphate

Other Name(s): D-galactose-6-phosphate ketol-isomerase

Systematic name: D-galactose-6-phosphate aldose-ketose-isomerase

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

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 39433-98-2


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 (1990) 22554-22560. [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 (1991) 7176-7181. [PMID: 1901863]

[EC created 1999]

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