a ganglioside GD2 (d18:1(4E)) + UDP-alpha-D-galactose = a ganglioside GD1b (d18:1(4E)) + UDP + H(+)
a ganglioside gd2 (d18:1(4e)) + udp-alpha-d-galactose = a ganglioside gd1b (d18:1(4e)) + udp + h(+)
a ganglioside GD2 (d18:1(4E)) + UDP-alpha-D-galactose = a ganglioside GD1b (d18:1(4E)) + UDP + H(+)
a ganglioside gd2 (d18:1(4e)) + udp-alpha-d-galactose = a ganglioside gd1b (d18:1(4e)) + udp + h(+)