a ganglioside Ac-O-9-GD1b + CMP-N-acetyl-beta-neuraminate <=> a ganglioside Ac-O-9-GT1b + CMP + H(+)
a ganglioside ac-o-9-gd1b + cmp-n-acetyl-beta-neuraminate <=> a ganglioside ac-o-9-gt1b + cmp + h(+)