ganglioside GA1 (d18:1(4E)/18:0) + CMP-N-acetyl-beta-neuraminate <=> ganglioside GM1 (d18:1(4E)/18:0) + CMP + H(+)
ganglioside ga1 (d18:1(4e)/18:0) + cmp-n-acetyl-beta-neuraminate <=> ganglioside gm1 (d18:1(4e)/18:0) + cmp + h(+)
ganglioside GA1 (d18:1(4E)/18:0) + CMP-N-acetyl-beta-neuraminate <=> ganglioside GM1 (d18:1(4E)/18:0) + CMP + H(+)
ganglioside ga1 (d18:1(4e)/18:0) + cmp-n-acetyl-beta-neuraminate <=> ganglioside gm1 (d18:1(4e)/18:0) + cmp + h(+)