3.4.24.18	Ca2+	required	752474	
3.4.24.18	Calcium	3 mol calcium per mol subunit (atomic absorption spectroscopy)	31019, 31031	
3.4.24.18	Calcium	Ca2+ inhibits above 1 mM	31021	
3.4.24.18	Calcium	Ca2+ reactivates inactive apoenzyme	31031	
3.4.24.18	Calcium	metalloendopeptidase	31019, 31021, 31031	
3.4.24.18	Calcium	tightly bound, no addition of Ca2+ required	31019	
3.4.24.18	additional information	considerable stimulation of azocasein hydrolysis at ionic strength values up to 0.15-0.2	31018	
3.4.24.18	additional information	Cu2+ does not reactivate inactive apoenzyme	31031	
3.4.24.18	Zinc	1 mol zinc per mol subunit (atomic absorption spectroscopy)	31019, 31031	
3.4.24.18	Zinc	metalloendopeptidase	31019, 31021, 31024, 31031