GDP-galactose:mannose-1-phosphate guanylyltransferase activity
Catalysis of the reaction: GDP-beta-L-galactose + alpha-D-mannose 1-phosphate = GDP-alpha-D-mannose + beta-L-galactose-1-phosphate.
GO:0070568
guanylyltransferase activity
is_a
GDP-L-galactose phosphorylase activity
broad
GDP-L-galactose:mannose-1-phosphate guanylyltransferase activity
exact