3.4.99.B2 2.37 - succinyl-D-Asp-7-amido-4-methylcoumarin mutant H276A, pH 7.0, 37°C 754032 3.4.99.B2 2.97 - succinyl-D-Asp-7-amido-4-methylcoumarin wild-type, pH 7.0, 37°C 754032