IUBMB Enzyme Nomenclature


Accepted name: UDP-glucose—hexose-1-phosphate uridylyltransferase

Reaction: UDP-α-D-glucose + α-D-galactose 1-phosphate = α-D-glucose 1-phosphate + UDP-α-D-galactose

For diagram of reaction click here.

Other name(s): uridyl transferase; hexose-1-phosphate uridylyltransferase; uridyltransferase; hexose 1-phosphate uridyltransferase; UDP-glucose:α-D-galactose-1-phosphate uridylyltransferase

Systematic name: UDP-α-D-glucose:α-D-galactose-1-phosphate uridylyltransferase

Links to other databases: BRENDA, EXPASY, GTD, KEGG, Metacyc, PDB, CAS registry number: 9026-21-5


1. Kalckar, H.M., Braganca, B. and Munch-Petersen, A. Uridyl transferases and the formation of uridinediphosphogalactose. Nature 172 (1953) 1038 only. [PMID: 13111247]

2. Kurahashi, K. and Sugimura, A. Purification and properties of galactose 1-phosphate uridyl transferase from Escherichia coli. J. Biol. Chem. 235 (1960) 940-946. [PMID: 14412847]

3. Mayes, J.S. and Hansen, R.G. Galactose 1-phosphate uridyl transferase. Methods Enzymol. 9 (1966) 708-713.

4. Saito, S., Ozutsumi, M. and Kurahashi, K. Galactose 1-phosphate uridylyltransferase of Escherichia coli. II. Further purification and characterization. J. Biol. Chem. 242 (1967) 2362-2368. [PMID: 5338129]

5. Smith, E.E.B. and Mills, G.T. Uridyl transferase of mammary gland. Biochim. Biophys. Acta 18 (1955) 152 only. [PMID: 13260264]

[EC created 1961]

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