5.1.3.18	Epimerase, guanosine diphosphomannose, GDP-D-mannose 3'',5''-epimerase, GDP-D-mannose 3',5'-epimerase, GDP-D-mannose 3,5-epimerase, GDP-D-mannose-3',5'-epimerase, GDP-D-mannose:GDP-L-galactose epimerase, GDP-mannose 3",5"-epimerase, GDP-mannose 3',5'-epimerase, GDP-mannose-3',5'-epimerase, GME, GME1, GME2, OsGME