Recombinant Human Cytokeratin 19 (KRT19), cancer biomarker, expressed in E. coli
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Product Description
Specifications
| Size | 10 µg, 50 µg, 100 µg, 500 µg |
| Estimated Lead Time | 1-2 business days |
| Species | Human |
| Accession Number | P08727 |
| Gene Id | 3880 |
| Gene Symbols | KRT19 |
| Protein Name / Synonyms | Keratin, type I cytoskeletal 19, KRT19. |
| Expressed Region | Thr2-Leu400 (full length) |
| Expression System | E. coli |
| Tag | N-terminal 6x histidine tag |
| Purity | > 90% |
| Purity Determined By | SDS-PAGE under reducing conditions and visualized by Coomassie blue staining |
| Molecular Weight (kDa) | 44 kDa |
| Format | Liquid |
| Formulation | Supplied as a 0.2 µm filtered solution in 40 mM Tris-HCl,50 mM NaCl (pH 8.5). |
| Concentration (lot specific) | Lot specific (see the label on the vial), determined by Bio-Rad bradford protein dye reagent concentrate |
| Preservative | None |
| Endotoxin Level | Not determined |
| Research Area | Cancer |
| Shipping Type | Blue ice |
| Storage | -20°C |
SDS-PAGE Image
Activity
Measured by its binding ability in a functional ELISA. Immobilized recombinant KRT19 at 0.75 µg/mL (100 μL/well) can bind Human KRT8 with EC50 at 3.7 µg/mL.
Storage/Stability
Upon arrival, the protein may be stored for 2 weeks at 4°C. For long term storage, it is recommended to store at -20°C or -80°C in appropriate aliquots. Avoid repeated freeze-thaw cycles.
