3.1.1.32 additional information - - 680300, 94304, 94308, 94317, 94320, 94321, 94336 3.1.1.32 additional information - enzyme activity is markedly enhanced when the amount of negatively-charged lipids included in the vesicles is increased from 10 to around 30% of total phospholipids and the intensity of this effect depends on the nature of the acidic lipids used, ganglioside GM1