Recombinant Human Cystatin SN/CST1 Protein (His Tag) (PKSH032329)
For research use only.
| Synonyms | CST1, Cystain-SA-I, Cystatin-1, Cystatin-SN, Salivary Cystatin-SA-1 |
| Species | Human |
| Expression Host | HEK293 Cells |
| Sequence | Trp21-Ser141 |
| Accession | P01037 |
| Calculated Molecular Weight | 15.4 kDa |
| Observed Molecular Weight | 17 kDa |
| Tag | C-His |
| Bio-activity | Not validated for activity |
| Purity | > 95 % 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 a 0.2 μm filtered solution of 20mM MES, 150mM NaCl, pH 5.5. 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 | Cystatin-SN is a member of family 2 of the Cystatin superfamily and a cysteine proteinase inhibitor found in saliva, tears, urine, and seminal fluid. Together with Cystatins S and SA, it is produced by the salivary gland and secreted largely in the submandibular/sublingual saliva. Cystatin-SN inhibits members of the Papain family including Cathepsins B, C, H and L. |
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