Lyophilized. Lyophilized from a solution containing 90 mg D-mannitol and 10 mg substrate. PROTECT FROM MOISTURE. A specific chromogenic substrate for human neutrophil elastase (Kcat/Km = 120,000 vs. 2700 for pancreatic elastase). Cleavage can be monitored at ~410 nm. Sold on the basis of substrate content. Purity: ≥95% by HPLC. CAS 70967-90-7. MeOSuc-Ala-Ala-Pro-Val-pNA Ref.: Barrett, A.J., et al. 1989. Biochim. J. 260, 259. Nakajima, K., et al. 1979. J. Biol. Chem. 254, 4027. |