3.4.22.16	2-mercaptoethanol	activates	638840	
3.4.22.16	2-mercaptoethanol	activates, synergistic with EDTA	638838, 638839	
3.4.22.16	cysteine	activates	638840	
3.4.22.16	cysteine	activates, synergistic with EDTA	638839	
3.4.22.16	dithioerythritol	activates, synergistic with EDTA	638838	
3.4.22.16	dithiothreitol	activates	638840	
3.4.22.16	dithiothreitol	activates, synergistic with EDTA	638838	
3.4.22.16	EDTA	activates	638838, 638839	
3.4.22.16	EDTA	required	638829, 638833	
3.4.22.16	glutathione	activates	638840	
3.4.22.16	glutathione	activates, synergistic with EDTA	638838	
3.4.22.16	additional information	-	36637	
3.4.22.16	additional information	activation by autolysis	36637	
3.4.22.16	additional information	metalloendopeptidases involved in processing of procathepsin to active enzyme	638817	
3.4.22.16	additional information	procathepsin H is not capable of autoactivation and requires other proteases such as cathepsin L for its activation	755176	
3.4.22.16	additional information	recombinant CatB3 shows enzymatic activity when autoprocessed at pH 4.5 in the presence of dithiothreitol and dextran sulfate	707007	
3.4.22.16	additional information	synthesis regulated by gibberellic acid	638822	
3.4.22.16	thioglycolic acid	activates, synergistic with EDTA	638838	
3.4.22.16	thiol compounds	activate	638838, 638839	
3.4.22.16	thiol compounds	required	638829, 638833