Reaction catalyzed by beta-lactamase (3.5.2.6)

		+		H2O	=
	cefaclor	+		H2O	=		(2R)-2-[(R)-{[(2R)-2-amino-2-phenylacetyl]amino}(carboxy)methyl]-5-chloro-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid