Abz-GIVR~AK(Dnp)-OH Yellow lyophilized solid. Supplied as a trifluoroacetate salt PROTECT FROM LIGHT. HYGROSCOPIC. PACKAGED UNDER INERT GAS. An internally-quenched fluorogenic peptide substrate that is selectively and efficiently cleaved by human cathepsin B (kcat/Km in M-1s-1 at pH 4.5 = 7288, 133.3, 100, 75, 50, 32 and 17 for cathepsin B, cathepsin K, cathepsin L, cruzain, CPB 2.8 DCTE, cathepsin V, and cathepsin X, respectively). Purity: ≥95% by HPLC. Excitation max.: 320 nm, Emission max.: 420 nm Abz-Gly-Ile-Val-Arg~Ala-Lys(Dnp)-OH Ref.: Cotrin, S.S., et al. 2004. Anal. Biochem. 335, 244. |