3.4.22.51	3.5	9	pH 3.5: about 65% of maximal activity, pH 6.5-9.0: about 55% of maximal activity, hydrolysis of 2-aminobenzoyl-FRA-(2,4-dinitrophenyl)-epsilon-NH2-lysine-OH	668458	
3.4.22.51	4	8.5	-	638884	
3.4.22.51	4.5	7.4	hydrophobic substrates reach 50% activity at pH 4.5 and maintain full activity above pH 7.5, more hydrophilic side chains only reach 50% activity at pH 5.5-6	638882	
3.4.22.51	4.5	9	pH 4.5: about 45% of maximal activity, pH 9.0: about 45% of maximal activity, hydrolysis of 2-aminobenzoyl-FRA-(2,4-dinitrophenyl)-epsilon-NH2-lysine-NH2	668458