Reaction catalyzed by alpha-N-acetylgalactosaminide alpha-2,6-sialyltransferase (2.4.3.3)

		+			=			+
	CMP-N-acetylneuraminate	+		p-nitrophenyl-beta-D-galactoside	=		CMP	+		alpha-sialosyl-(2-6)-p-nitrophenyl-beta-D-galactoside