Cathepsin B Substrate, colorimetric
SIGMA/SCP0108
Empirical Formula (Hill Notation): C26H36N10O6
Molecular Weight: 584.63
Linear Formula: C26H36N10O6
Product Type: Chemical
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| assay | ≥95% (HPLC) |
| composition | Peptide Content, ≥80% |
| form | lyophilized |
| storage condition | protect from light |
| storage temp. | −20°C |
| Amino Acid Sequence: | Z-Arg-Arg-pNA |
| Biochem/physiol Actions: | Cathepsin B is a lysosomal cysteine proteinase that metabolizes important molecules such as β-amyloid precursor protein into harmless fragments. Cathepsin B may be detected using the chromogenic substrate Z-Arg-Arg-pNA (z-arg-arg-p-nitroanalide |
| Biochem/physiol Actions: | Cathepsin B possesses endopeptidase and exopeptidase activity. Active cathepsin B is mostly engaged in intracellular and extracellular protein turnover, which helps cells maintain homeostatic metabolic activity. It also participates in the regulation of pro-hormone and pro-enzyme activation, antigen processing, inflammatory reactions against antigens, tissue remodeling, and apoptosis. Cathepsin B plays a key role in acute pancreatitis. It also plays a vital role in lipid metabolism in atherosclerosis. |
| General description: | Cathepsin B, a bilobal protein, belongs to the papain-like family of cysteine proteases. It is produced as a preproenzyme. Its catalytic site is present at the interface between the two lobes. Cathepsin B has an occluding loop. It is located in the secretory vesicles of the neuronal cells. Active cathepsin B is found in the endosomal or lysosomal compartment under normal physiological conditions. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥95% (HPLC) |
| Storage Temp. | −20°C |
| UNSPSC | 12352204 |