IUBMB Enzyme Nomenclature


Accepted name: D-glucosamine-6-phosphate 4-epimerase

Reaction: D-glucosamine 6-phosphate = D-galactosamine 6-phosphate

For diagram of reaction click here.

Other name(s): ST2245 (locus name)

Systematic name: D-glucosamine 6-phosphate 4-epimerase

Comments: The enzyme, characterized from the archaeon Sulfolobus tokodaii, participates in a pathway for the biosynthesis of UDP-N-acetyl-α-D-galactosamine.

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, CAS registry number:


1. Dadashipour, M., Iwamoto, M., Hossain, M.M., Akutsu, J.I., Zhang, Z. and Kawarabayasi, Y. Identification of a direct biosynthetic pathway for UDP-N-acetylgalactosamine from glucosamine-6-phosphate in thermophilic crenarchaeon Sulfolobus tokodaii. J. Bacteriol. 200 (2018) . [PMID: 29507091]

[EC created 2018]

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