ID   2.4.3.9
DE   lactosylceramide alpha-2,3-sialyltransferase.
AN   CMP-acetylneuraminate-lactosylceramide-sialyltransferase.
AN   cytidine monophosphoacetylneuraminate-lactosylceramide alpha2,3-
AN   sialyltransferase.
AN   cytidine monophosphoacetylneuraminate-lactosylceramide sialyltransferase.
AN   ganglioside GM3 synthase.
AN   GM3 synthase.
CA   a beta-D-Gal-(1->4)-beta-D-Glc-(1<->1)-Cer(d18:1(4E)) + CMP-N-acetyl-
CA   beta-neuraminate = a ganglioside GM3 (d18:1(4E)) + CMP + H(+).
CC   -!- Lactose cannot act as acceptor.
CC   -!- Formerly EC 2.4.99.9.
DR   Q70D51, SIAT9_BOVIN;  Q9UNP4, SIAT9_HUMAN;  O88829, SIAT9_MOUSE;
DR   Q6KB55, SIAT9_PANTR;  Q68G12, SIAT9_RAT  ;
//