3.4.24.47	Ca2+	-	31287	
3.4.24.47	Ca2+	zinc and calcium containing metalloproteinase, no activation by added Ca2+	31286	
3.4.24.47	Mg2+	0.14 mol/mol enzyme	31286	
3.4.24.47	Zn2+	1 mol zinc/mol enzyme	31286, 31287	
3.4.24.47	Zn2+	activation, 1 mM Zn2+ doubles activity vs. glomerulus basement membrane preparation	31287	
3.4.24.47	Zn2+	zinc and calcium containing metalloproteinase	31286