Reaction catalyzed by beta-lactamase (3.5.2.6)

		+		H2O	=
	cefmetazole	+		H2O	=		(2R)-2-[(S)-carboxy{2-[(cyanomethyl)sulfanyl]acetamido}methoxymethyl]-5-{[(1-methyl-1H-tetrazol-5-yl)sulfanyl]methyl}-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid