a ganglioside GM3 (d18:1(4E)) + UDP-N-acetyl-alpha-D-galactosamine = a ganglioside GM2 (d18:1(4E)) + UDP + H(+)
a ganglioside gm3 (d18:1(4e)) + udp-n-acetyl-alpha-d-galactosamine = a ganglioside gm2 (d18:1(4e)) + udp + h(+)
"asialo-GM2 synthase"
"asialo-gm2 synthase"