ENTRY       EC 2.7.7.34
NAME        Glucose-1-phosphate guanylyltransferase
            GDPglucose pyrophosphorylase
CLASS       Transferases
            Transferring phosphorus-containing groups
            Nucleotidyltransferases
SYSNAME     GTP:alpha-D-glucose-1-phosphate guanylyltransferase
REACTION    GTP + alpha-D-Glucose 1-phosphate = Pyrophosphate + GDPglucose
SUBSTRATE   GTP
            alpha-D-Glucose 1-phosphate
PRODUCT     Pyrophosphate
            GDPglucose
COMMENT     Also acts, more slowly, on D-mannose 1-phosphate.
PATHWAY     PATH: MAP00500  Starch and sucrose metabolism
DBLINKS     University of Geneva ENZYME DATA BANK: 2.7.7.34
            WIT (What Is There) Metabolic Reconstruction: 2.7.7.34
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