IUBMB Enzyme Nomenclature


Accepted name: glucose-1-phosphate guanylyltransferase

Reaction: GTP + α-D-glucose 1-phosphate = diphosphate + GDP-glucose

For diagram of reaction click here.

Other name(s): GDP glucose pyrophosphorylase; guanosine diphosphoglucose pyrophosphorylase

Systematic name: GTP:α-D-glucose-1-phosphate guanylyltransferase

Comments: Also acts, more slowly, on D-mannose 1-phosphate.

Links to other databases: BRENDA, EXPASY, GTD, KEGG, Metacyc, CAS registry number: 9033-13-0


1. Danishefsky, I. and Heritier-Watkins, O. Nucleoside diphosphate glucose pyrophosphorylases in mast cell tumors. Biochim. Biophys. Acta 139 (1967) 349-357. [PMID: 6034677]

[EC created 1972]

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