3.2.1.91	Ba2+	120% activity at 1 mM	732870	
3.2.1.91	Ca2+	107.14% activity at 5 mM	752111	
3.2.1.91	Ca2+	121% activity at 1 mM	732870	
3.2.1.91	Ca2+	2.45 mol bound by one pair of immunoglobulin-like module and catalytic module in the wild-type enzyme, the metal content is similar in the mutant enzymes, overview	666803	
3.2.1.91	Ca2+	about 159% activity at 5 mM	745229	
3.2.1.91	Ca2+	bound by all enzyme domains, except for the immunoglobulin-like module	664959	
3.2.1.91	Ca2+	contains Ca2+	731048	
3.2.1.91	Ca2+	one mol of calcium per each domain	654263	
3.2.1.91	Ca2+	required for maximal activity	393768	
3.2.1.91	Ca2+	the addition of CaCl2 enhances enzyme activity by 159%	745229