GDP-D-glucose phosphorylase activity
Catalysis of the reaction: GDP-alpha-D-glucose + phosphate = alpha-D-glucose-1-phosphate + GDP.
GO:0070568
guanylyltransferase activity
is_a
GDP:glucose-1-phosphate guanyltransferase activity
exact
glucose-1-phosphate guanylyltransferase (GDP) activity
exact