GDP-mannose 3,5-epimerase activity
gdp-mannose 3,5-epimerase activity
guanosine 5'-diphosphate D-mannose:guanosine 5'-diphosphate L-galactose epimerase activity
guanosine 5'-diphosphate d-mannose:guanosine 5'-diphosphate l-galactose epimerase activity