2.4.2.26	beta-mercaptoethanol	XT-II activity is completely abolished at a concentration 1% (v/v) beta-mercaptoethanol	773	
2.4.2.26	CDP	23% residual activity at 10 mg/ml	212	
2.4.2.26	CMP	45% residual activity at 10 mg/ml	100	
2.4.2.26	Co2+	Co2+ reduces activity by more than 60% at 5 mM	23	
2.4.2.26	CTP	8% residual activity at 10 mg/ml	60	
2.4.2.26	Cu2+	enzyme activity is abolished by Cu2+	19	
2.4.2.26	Cu2+	complete inhibition at 5 mM	19	
2.4.2.26	dithiothreitol	XT-II activity is completely abolished at a concentration of 1 mM dithiothreitol	45	
2.4.2.26	Glycosaminoglycans	associate with the enzyme	46733	
2.4.2.26	heparin	-	227