3.4.22.53	Ca2+	Kd-value: 0.325 mM. 25% of the difference in Kd values between mu-calpain and m-calpain can be ascribed to the N-terminal peptide of the large subunit, whereas the C-terminal EF-hand-containing domain IV accounts for 65% of the difference	643968	
3.4.22.53	Ca2+	half-maximal activation at 0.5 mM	643977	
3.4.22.53	Ca2+	half-maximal activation at 0.8 mM, maximal activation at 1.5 mM	643980	
3.4.22.53	Ca2+	half-maximal activation at 0.2 mM, maximal activation at 1 mM	643981	
3.4.22.53	Ca2+	-	643982	
3.4.22.53	Ca2+	half-maximal activation at 0.15 mM, maximal activation at 1 mM	643983	
3.4.22.53	Ca2+	half-maximal activity at 0.18 mM	643986	
3.4.22.53	Ba2+	slight activation	643987	
3.4.22.53	Ca2+	half-maximal activation at 0.2 mM, full activity at 1 mM	643987	
3.4.22.53	Mg2+	slight activation	643987