219498
Cathepsin S Substrate, Fluorogenic
An internally quenched, highly cathepsin S-selective, fluorogenic peptide substrate that is efficiently cleaved by CatS, but not by Cathepsin B & L.
别名:
Cathepsin S Substrate, Fluorogenic, Mca-GRWPPMG~LPWEK(Dnp)- D-R-NH2, Mca-GRWPPMG~LPWEK(Dnp)-D-R-NH2
assay
≥95% (HPLC)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze, desiccated (hygroscopic), protect from light
color
yellow
solubility
DMSO: 5 mg/mL
shipped in
wet ice
storage temp.
−20°C
Quality Level
General description
An internally quenched, highly cathepsin S-selective, fluorogenic peptide substrate that is efficiently cleaved by CatS (kcat/Km = 1.018 µM-1 S-1), but not by Cathepsin B & L (kcat/Km = 0.004 and 0.032 µM-1 S-1, respectively). Studies using CatS-specific inhibitor LHVS reveal that the substrate is not cleaved by other proteolytic enzymes, including CatB, CatH, CatL, and CatX, present in endosomal extracts from human B cell line WT100, dendritic cells, and macrophages (excitation maximum: 340 nm; emission maximum: 405 nm).
Packaging
Packaged under inert gas
Other Notes
Lutzner, N., and Kalbacher, H. 2008. J. Biol. Chem.283, 36185.
Mca-Gly-Arg-Trp-Pro-Pro-Met-Gly~Leu-Pro-Trp-Glu-Lys(Dnp)-D-Arg-NH₂
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Toxicity: Standard Handling (A)
存储类别
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
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