ID   2.4.3.3
DE   alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase.
AN   GalNAc alpha-2,6-sialyltransferase I.
CA   a beta-D-galactosyl-(1->3)-N-acetyl-alpha-D-galactosaminyl derivative +
CA   CMP-N-acetyl-beta-neuraminate = a beta-D-galactosyl-(1->3)-[N-acetyl-
CA   alpha-neuraminyl-(2->6)]-N-acetyl-alpha-D-galactosaminyl derivative +
CA   CMP + H(+).
CC   -!- N-acetyl-alpha-D-galactosamine linked to threonine or serine is also
CC       an acceptor, when substituted at the 3-position.
CC   -!- Formerly EC 2.4.99.3.
DR   Q92183, SIA7A_CHICK;  Q9NSC7, SIA7A_HUMAN;  Q9QZ39, SIA7A_MOUSE;
DR   Q92184, SIA7B_CHICK;  Q9UJ37, SIA7B_HUMAN;  P70277, SIA7B_MOUSE;
//