The Enzyme Database

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Accepted name: glucose-1-phosphate guanylyltransferase
Reaction: GTP + α-D-glucose 1-phosphate = diphosphate + GDP-glucose
For diagram of GTP biosynthesis, 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. [DOI] [PMID: 6034677]
[EC created 1972]

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