a ganglioside GM1 + UDP-N-acetyl-alpha-D-galactosamine <=> a ganglioside GalNAc-GM1 + UDP + H(+)
a ganglioside gm1 + udp-n-acetyl-alpha-d-galactosamine <=> a ganglioside galnac-gm1 + udp + h(+)
a ganglioside GM1 + UDP-N-acetyl-alpha-D-galactosamine <=> a ganglioside GalNAc-GM1 + UDP + H(+)
a ganglioside gm1 + udp-n-acetyl-alpha-d-galactosamine <=> a ganglioside galnac-gm1 + udp + h(+)