3.4.24.B14	P751A	no hydrolysis of succinyl-Ala-Ala-Phe-4-methylcoumarin 7-amide	667419	
3.4.24.B14	P764Y	kcat/Km is 2.6fold lower than wild-type enzyme	667419	
3.4.24.B14	W774A	kcat/Km is 1.1fold lower than wild-type enzyme	667419	
3.4.24.B14	W774F	kcat/Km is nearly identical to wild-type value	667419