a ganglioside GT1a + CMP + H(+) => a ganglioside GD1a + CMP-N-acetyl-beta-neuraminate
a ganglioside gt1a + cmp + h(+) => a ganglioside gd1a + cmp-n-acetyl-beta-neuraminate
a ganglioside GT1a + CMP + H(+) => a ganglioside GD1a + CMP-N-acetyl-beta-neuraminate
a ganglioside gt1a + cmp + h(+) => a ganglioside gd1a + cmp-n-acetyl-beta-neuraminate