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General description
Research area: Cell Signaling
Cathepsin L, Human Liver, native, is the most potent of all the lysosomal proteinases. Cathepsin L (CTSL) belongs to the papain subfamily of cysteine proteases and is mainly located in endolysosomal vesicles.
Biochem/physiol Actions
Cathepsin L (CTSL) has higher activity than cathepsins B and H in the degradation of a variety of physiological protein substrates. It is believed to be responsible for the generation of endostatin from the NC1 domain in collagen XVII. It is responsible for regulating cell cycle, nucleotide-binding domain, leucine-rich–containing family, pyrin domain–containing-3 (NLRP3) inflammasome activation, proteolytic processing of Bid during apoptosis, and TGF-β signaling. It can degrade a wide range of proteins, encompassing enzymes, receptors, and transcription factors. Additionally, it produces active enzymes, receptors, and biologically active peptides through controlled proteolysis. Moreover, Cathepsin L has been observed to enhance tumor cell migration by lowering cell-cell adhesion and breaking down elements of the extracellular matrix. The expression of CTSL escalates in several types of cancers, including glioma, melanoma, pancreatic, prostate, and breast cancer. It plays a major role in the proteolysis of both cellular and endocytosed macromolecules.
Packaging
Please refer to vial label for lot-specific concentration.
Physical form
In 400 mM NaCl, 20 mM malonate buffer, 1 mM EDTA, pH 5.5.
Preparation Note
Following initial thaw, aliquot and freeze (-70°C).
Prepared from tissue of individuals that have been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV.
Other Notes
Note: 1 mU = 1 milliunit
One unit is defined as the amount of enzyme that will hydrolyze 1.0 µmol of Z-FR-AFC per min at 25°C, pH 5.5.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Toxicity: Standard Handling (A)
| biological source | human liver |
| Quality Segment | 100 |
| description | Merck USA index - 14, 1905 |
| form | liquid |
| manufacturer/tradename | Calbiochem® |
| storage condition | OK to freeze,avoid repeated freeze/thaw cycles |
| technique(s) | activity assay: suitable |
| suitability | suitable for molecular biology |
| application(s) | life science and biopharma |
| shipped in | wet ice |
| storage temp. | −70°C |
| Gene Information | human ... CTSL(1514) |
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无菌，PETG 方形有刻度培养基瓶，带盖，聚对苯二酸乙二醇酯共聚物，天然高密度聚乙烯盖，500毫升容量，每箱40，40/箱，342020-0500，Nalgene，Thermofisher，赛默飞世尔¥ 3684.34
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