3.4.24.72	Ba2+	about 170% activity at 2 mM	752343	
3.4.24.72	Ca2+	105% activity at 5 mM	754413	
3.4.24.72	Ca2+	108.7% activity at 1 mM	753870	
3.4.24.72	Ca2+	110% activity at 5 mM	754580	
3.4.24.72	Ca2+	119.09% activity at 2.5 mM	754256	
3.4.24.72	Ca2+	390% activity at 5 mM	754441	
3.4.24.72	Ca2+	44.4% increase of activity at 10 mM	733238	
3.4.24.72	Ca2+	about 105% activity at 2 mM	752528	
3.4.24.72	Ca2+	activates	684097	
3.4.24.72	Calcium	potential binding site for calcium	31476	
3.4.24.72	Co2+	114% activity at 5 mM	754441	
3.4.24.72	Cu2+	34.2% increase of activity at 10 mM	733238	
3.4.24.72	Cu2+	about 110% activity at 2 mM	752343	
3.4.24.72	Fe2+	106% activity at 5 mM	754441	
3.4.24.72	Fe2+	76.7% increase of activity at 10 mM	733238	
3.4.24.72	Hg2+	about 150% activity at 2 mM	752343	
3.4.24.72	K+	114% activity at 5 mM	754413	
3.4.24.72	K+	144% activity at 5 mM	754441	
3.4.24.72	K+	about 125% activity at 2 mM	752343	
3.4.24.72	Mg2+	110.91% residual activity at 10 mM	754256	
3.4.24.72	Mg2+	112% activity at 5 mM	754413	
3.4.24.72	Mg2+	112.6% activity at 1 mM	753870	
3.4.24.72	Mg2+	118% activity at 5 mM	733556	
3.4.24.72	Mg2+	208% activity at 5 mM	754441	
3.4.24.72	Mg2+	29% increase of activity at 10 mM	733238	
3.4.24.72	Mn2+	109.31% residual activity at 2.5 mM	754256	
3.4.24.72	Mn2+	118% activity at 5 mM	733556	
3.4.24.72	Mn2+	168% activity at 5 mM	754441	
3.4.24.72	Mn2+	38% increase of activity at 10 mM	733238	
3.4.24.72	Mn2+	about 140% activity at 2 mM	752343	
3.4.24.72	Mn2+	the activity of the enzyme is enhanced to 111.21% in the presence of 10 mM Mn2+	755226	
3.4.24.72	additional information	not influenced by Ca2+	733556	
3.4.24.72	additional information	not influenced by K+	753870	
3.4.24.72	additional information	not influenced by Mn2+	752378	
3.4.24.72	additional information	the enzyme activity is not influenced by Mn2+, Cu2+, Ca2+, Mg2+, Co2+, Zn2+, and Fe2+	733424	
3.4.24.72	Na+	112% activity at 5 mM	754413	
3.4.24.72	Na+	219% activity at 5 mM	754441	
3.4.24.72	Na+	about 125% activity at 2 mM	752343	
3.4.24.72	Na+	the activity of protease is slightly enhanced (to 106%) by the presence of Na+ ions	752378	
3.4.24.72	Zinc	effect of zinc binding on the structure and stability of fibrolase	31480	
3.4.24.72	Zinc	enzyme contains 1 mol of zinc per mol of protein	31471	
3.4.24.72	Zinc	identification of the zinc binding site	31476	
3.4.24.72	Zinc	zinc metalloproteinase	31471, 31474, 31476, 31480	
3.4.24.72	Zn2+	1 mol per mol of enzyme, fibrolase is a zinc metalloprotease with the zinc binding motif HEXXHXXGXXH	684096	
3.4.24.72	Zn2+	122% activity at 5 mM	754441	
3.4.24.72	Zn2+	37.9% increase of activity at 10 mM	733238	
3.4.24.72	Zn2+	a zinc metalloprotease	684034	
3.4.24.72	Zn2+	a zinc metalloproteinase containing one mole of zinc	721082	
3.4.24.72	Zn2+	contains 1 mole of zinc per mole of protein	649080	
3.4.24.72	Zn2+	contains one zinc ion in the active center	720980	
3.4.24.72	Zn2+	essential for hydrolytic activity	718522	
3.4.24.72	Zn2+	the zinc binding region spans amino acids 139-159	684097