competition experiments using lactosylceramide , ganglioside gm3 and ganglioside gd3 as substrates , as well as mutual inhibitors for ganglioside n-acetylgalactosaminyltransferase , in golgi vesicles derived from rat liver suggested that n-acetylgalactosamine transfer to these three respective compounds , leading to gangliosides ga2 , gm2 , and gd2 , respectively , is catalyzed by one enzyme .
C0016897
ganglioside gm3
C0017082
ganglioside