Recombinant Human KRT18 Protein (His Tag) (PDEH100681)
For research use only.
| Synonyms | CK 18, CK-18, CK18, CYK 18, CYK18, Cell proliferation inducing gene 46 protein, Cell proliferation inducing protein 46, Cell proliferation-inducing gene 46 protein, Cytokeratin 18, Cytokeratin endo B, Cytokeratin-18, K 18, K18, K1C18, KA18, Keratin 18, type I |
| Species | Human |
| Expression Host | E.coli |
| Sequence | Pro239-Asp397 |
| Accession | P05783-1 |
| Calculated Molecular Weight | 18.1 kDa |
| Observed Molecular Weight | 28 kDa |
| Tag | N-His |
| Bio-activity | Not validated for activity |
| Purity | > 95% as determined by reducing SDS-PAGE. |
| Endotoxin | < 10 EU/mg 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 in PBS with 5% Trehalose and 5% Mannitol. |
| Reconstitution | It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis. |
| Background | Cytokeratin 18 (CK18) has a molecular weight of 45 KDa, which is a low molecular weight type A cytokeratin. It is a marker of simple epithelium, including glandular epithelium. The stratified squamous epithelium is generally negative. CK18 is mainly used in the diagnosis of adenocarcinoma. |
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