ganglioside GD1b(d18:1(4E)/18:0) + H2O <=> ganglioside GM1 (d18:1(4E)/18:0) + N-acetylneuraminate
ganglioside gd1b(d18:1(4e)/18:0) + h2o <=> ganglioside gm1 (d18:1(4e)/18:0) + n-acetylneuraminate
ganglioside GD1b(d18:1(4E)/18:0) + H2O <=> ganglioside GM1 (d18:1(4E)/18:0) + N-acetylneuraminate
ganglioside gd1b(d18:1(4e)/18:0) + h2o <=> ganglioside gm1 (d18:1(4e)/18:0) + n-acetylneuraminate