alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase activity
Catalysis of the reaction: CMP-N-acetylneuraminate + glycano-(1->3)-(N-acetyl-alpha-D-galactosaminyl)-glycoprotein = CMP + glycano-[(2->6)-alpha-N-acetylneuraminyl]-(N-acetyl-D-galactosaminyl)-glycoprotein.
GO:0008373
sialyltransferase activity
is_a
GalNAc alpha-2,6-sialyltransferase I activity
related