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Recombinant Human Cathepsin D/CTSD Protein (His Tag)(Active)
SKU: PKSH030822-50
Recombinant Human Cathepsin D/CTSD Protein (His Tag)(Active)
| SKU # | PKSH030822 |
| Expression Host | HEK293 Cells |
Description
| Synonyms | CLN10, CPSD, CTSD, Cathepsin D, HEL-S-130P |
| Species | Human |
| Expression Host | HEK293 Cells |
| Sequence | Met 1-Leu 412 |
| Accession | P07339 |
| Calculated Molecular Weight | 44.0 kDa |
| Observed Molecular Weight | 40-110 kDa |
| Tag | C-His |
| Bio-activity | Measured by its ability to bind biotinylated human CTSS-His in a functional ELISA. |
Properties
| Purity | > 97 % as determined by reducing SDS-PAGE. |
| Endotoxin | < 1.0 EU per μg of the protein as determined by the LAL method. |
| Storage | Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months. |
| Shipping | This product is provided as lyophilized powder which is shipped with ice packs. |
| Formulation | Lyophilized from sterile 25mM MES, 150mM NaCl, pH 6.5 Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization. Please refer to the specific buffer information in the printed manual. |
| Reconstitution | Please refer to the printed manual for detailed information. |
Background
Cathepsin D (CTSD); a well known lysosomal aspartyl protease and belongs to the peptidase C1 family; which is a normal and major component of lysosomes; and is found in almost all cells and tissues of mammals. Its mostly described function is intracellular catabolism in lysosomal compartments; other physiological effect include hormone and antigen processing. Cathepsin D has a specificity similar to but narrower than that of pepsin A. Cathepsin D plays an important role in the degradation of proteins; the generation of bioactive proteins; antigen processing; etc. Among different role in cell physiology; a new function of this enzyme is examined. Cathepsin D is an important regulator of apoptotic pathways in cells. It acts at different stage of intrinsic and extrinsic pathway of apoptosis. In addition; CTSD secreted from human prostate carcinoma cells are responsible for the generation of angiostatin; a potent endogenous inhibitor of angiogenesis; suggesting its contribution to the prevention of tumor growth and angiogenesis-dependent growth of metastases.