Reaction catalyzed by N-acetyl-alpha-D-glucosaminyl-diphospho-ditrans,octacis-undecaprenol 4-epimerase (5.1.3.26)

		=
	N-acetyl-alpha-D-glucosaminyl-diphospho-ditrans,octacis-undecaprenol	=		N-acetyl-alpha-D-galactosaminyl-diphospho-ditrans,octacis-undecaprenol