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]