Tags: Enzyme.
GDP-D-glucose phosphorylase (EC 2.7.7.78) is an enzyme with system name GDP:alpha-D-glucose 1-phosphate guanylyltransferase. This enzyme catalyses the following chemical reaction GDP-alpha-D-glucose + phosphate alpha-D-glucose 1-phosphate + GDPThe enzyme may be involved in prevention of misincorporation of glucose in place of mannose residues into glycoconjugates.