a ganglioside GA1 (d18:1(4E)) + 3'-phosphoadenylyl sulfate => a ganglioside SM1b (d18:1(4E)) + adenosine 3',5'-bisphosphate + H(+)
a ganglioside ga1 (d18:1(4e)) + 3'-phosphoadenylyl sulfate => a ganglioside sm1b (d18:1(4e)) + adenosine 3',5'-bisphosphate + h(+)