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RecombinantENA-78/CXCL5(5-78aa),Human
Catalog Number: orb1494891
| Catalog Number | orb1494891 |
|---|---|
| Category | Proteins |
| Description | Epithelial cellderived neutrophilactivating peptide (ENA78) also known as C-X-C motif chemokine 5(CXCL5), is a small cytokine belonging to the CXC chemokine family. It is produced following stimulation of cells with the inflammatory cytokines interleukin-1 or tumor necrosis factor-alpha. Expression of CXCL5 has also been observed in eosinophils, and can be inhibited with the type II interferon, IFN-γ. This chemokine stimulates the chemotaxis of neutrophils possessing angiogenic properties. Full length CXCL5 (78 aa) is trimmed at the Nterminal end by cathepsin G and chymotrypsin to ENA-74 (74 aa) and ENA-70 (70aa), with the shortened forms showing increased potency relative to full length CXCL5. CXCL5can signal through the CXCR2 receptor.Recombinant human ENA-78/CXCL5 (5-78a.a.) produced in E.coli is a single non-glycosylated polypeptide chain containing 74 amino acids. A fully biologically active molecule, rh ENA-78/CXCL5 (5-78a.a.) has a molecular mass of 8 kDa analyzed by reducing SDS-PAGE and is obtained by chromatographic techniques at GenScript. |
| Form/Appearance | Lyophilized after extensive dialysis against PBS. |
| Purity | > 95% as analyzed by SDS-PAGE |
| MW | 8 kDa, observed by reducing SDS-PAGE. |
| Protein Sequence | AAV LRELRCVCLQ TTQGVHPKMI SNLQVFAIGP QCSKVEVVAS LKNGKEICLD PEAPFLKKVI QKILDGGNKE N |
| Source | Escherichia coli. |
| Biological Activity | The EC50 value of human ENA-78/CXCL5 (5-78a.a.) on Caˆ2+ mobilization assay in CHO-K1/ Gα15/hCXCR2 cells (human Gα15 and human CXCR2 stably expressed in CHO-K1 cells) is less than 50 ng/ml. |
| Endotoxins | < 0.2 EU/μg, determined by LAL method. |
| Storage | Lyophilized recombinant human ENA-78°CXCL5 (5-78a.a.) remains stable up to 6 months at -80°C from date of receipt. Upon reconstitution, human ENA-78°CXCL5 (5-78a.a.) should be stable up to 1 week at 4°C or up to 2 months at -20°C. |
| Buffer/Preservatives | Lyophilized after extensive dialysis against PBS. |
| Alternative names | Epithelial Neutrophil Activating Peptide-78, CXCL5 Read more... |
| Note | For research use only |
| Application notes | Reconstituted in ddH2O or PBS at 100 μg/ml. |
| Expiration Date | 6 months from date of receipt. |
