3.4.21.81 740 - succinyl-L-Ala-L-Ala-L-Pro-L-Asp-4-nitroanilide pH 8.0, 22°C 717189 3.4.21.81 10700 - succinyl-L-Ala-L-Ala-L-Pro-L-Asp-4-nitroanilide pH 4.0, 22°C 717189 3.4.21.81 28200 - succinyl-L-Ala-L-Ala-L-Pro-L-Leu-4-nitroanilide pH 4.0, 22°C 717189 3.4.21.81 25000000 - succinyl-L-Ala-L-Ala-L-Pro-L-Leu-4-nitroanilide pH 8.0, 22°C 717189