MeOSuc-Ala-Ala-Pro-Val-pNA

• CAT Number: R029937
• CAS Number: 70967-90-7
• Molecular Formula: C27H38N6O9
• Molecular Weight: 590.63
• Purity: ≥95%
• Synonyms: methyl 4-[[(2S)-1-[[(2S)-1-[(2S)-2-[[(2S)-3-methyl-1-(4-nitroanilino)-1-oxobutan-2-yl]carbamoyl]pyrrolidin-1-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-4-oxobutanoate
• InChI: InChI=1S/C27H38N6O9/c1-15(2)23(26(38)30-18-8-10-19(11-9-18)33(40)41)31-25(37)20-7-6-14-32(20)27(39)17(4)29-24(36)16(3)28-21(34)12-13-22(35)42-5/h8-11,15-17,20,23H,6-7,12-14H2,1-5H3,(H,28,34)(H,29,36)(H,30,38)(H,31,37)/t16-,17-,20-,23-/m0/s1
• InChIKey: VLVGCNNWNUERRZ-OSAZLGQLSA-N
• SMILES: CC(C)C(C(=O)NC1=CC=C(C=C1)[N+](=O)[O-])NC(=O)C2CCCN2C(=O)C(C)NC(=O)C(C)NC(=O)CCC(=O)OC

MeOSuc-Ala-Ala-Pro-Val-pNA is a sensitive fluorogenic substrate of human leukocyte and porcine pancreatic elastase[1].
MeOSuc-Ala-Ala-Pro-Val-pNA exhibits kc/Km values of 185,000, 15,000, 58,000 and 330,000 M-1s-1 at 0.10 M phosphate, 0.20 M Mes, 0.10 M phosphate and 0.04 M phosphate, respectively, for reactions of human leukocyte elastase[2].

Reference

[1]. Castillo MJ, et al. Sensitive substrates for human leukocyte and porcine pancreatic elastase: a study of the merits of various chromophoric and fluorogenic leaving groups in assays for serine proteases. Anal Biochem. 1979 Oct 15;99(1):53-64.
 [Content Brief]

[2]. Ross L. Stein, et al. Catalysis by human leukocyte elastase. Rate-limiting deacylation for specific p-nitroanilides and amides. J. Am. Chem. Soc. 1984, 106, 3, 796-798.