beta-galactoside alpha-2,3-sialyltransferase activity
beta-galactoside alpha-2,3-sialyltransferase activity
Catalysis of the transfer of sialyl residues alpha-2,3-linked to a beta galactosyl residue on the donor to form an alpha-2,3 linkage to a terminal beta galactosyl residue on the acceptor.