ID 2.7.7.78 DE GDP-D-glucose phosphorylase. CA GDP-alpha-D-glucose + phosphate = alpha-D-glucose 1-phosphate + GDP + CA H(+). CC -!- The enzyme may be involved in prevention of misincorporation of CC glucose in place of mannose residues into glycoconjugates i.e. to CC remove accidentally produced GDP-alpha-D-glucose. CC -!- Activities with GDP-L-galactose, GDP-D-mannose and UDP-D-glucose are CC all less than 3% that with GDP-D-glucose. DR Q5E9T1, GDPP1_BOVIN; Q5ZR76, GDPP1_CAEEL; Q08CA1, GDPP1_DANRE; DR Q6ZNW5, GDPP1_HUMAN; Q8HXE4, GDPP1_MACFA; Q3TLS3, GDPP1_MOUSE; DR A8E5Y3, GDPP1_XENLA; Q0V9F1, GDPP1_XENTR; //