Recombinant Human CXCL5/ENA-78 Protein Summary
Description |
A single non-glycosylated polypeptide chain containing 71 amino acids corresponding to CXCL5/ENA-78 Source: E. coli Uniprot ID: P42830 Amino Acid Sequence: LRELRCVCLQ TTQGVHPKMI SNLQVFAIGP QCSKVEVVAS LKNGKEICLD PEAPFLKKVI QKILDGGNKE N This lyophilized preparation is stable for 12 months from date of receipt at -20 to -70 degrees C, preferably desiccated. Upon reconstitution, the preparation can be stored for 1 month at 2-8 degrees C under sterile conditions, and for 3 months at -20 degrees C to -70 degrees C. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. Stock solutions should be aliquoted and stored at < -20 degrees C. Further dilutions should be made in appropriate buffered solutions |
Details of Functionality |
CXCL5/ENA-78 protein is fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human peripheral blood neutrophils is in a concentration of 5.0-10.0 ng/ml. |
Source |
E. coli |
Protein/Peptide Type |
Recombinant Protein |
Gene |
CXCL5 |
Purity |
>95%, by SDS-PAGE and HPLC |
Endotoxin Note |
Less than 1 EU/ug of CXCL5/ENA-78 as determined by LAL method. |
Applications/Dilutions
Dilutions |
|
Theoretical MW |
7.8 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
Packaging, Storage & Formulations
Storage |
Store at -20 to -70C as supplied. After reconstitution, store at 2 to 8C for 1 month and at -20 to -70C for long term storage. Avoid repeated freeze-thaw cycles. |
Buffer |
Lyophilized from a 0.2 um filtered concentrated solution in 2 x PBS, pH 7.4. |
Preservative |
No Preservative |
Concentration |
LYOPH |
Purity |
>95%, by SDS-PAGE and HPLC |
Reconstitution Instructions |
Recommended to centrifuge prior to opening. Reconstitute in sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0mg/mL. Apportion stock solutions into working aliquots and store at <-20C. |
Alternate Names for Recombinant Human CXCL5/ENA-78 Protein
Background
CXCL5 is a member of the CXC chemokine family and also known as epithelial-derived neutrophil-activating peptide 78 (ENA- 78). It is produced following stimulation of cells with the inflammatory cytokines interleukin-1 or tumor necrosis factor-alpha. In vitro, ENA-78 (8-78) and ENA-78 (9-78) show a threefold higher chemotactic activity for neutrophil granulocytes. They are produced by proteolytic cleavage after secretion from peripheral blood monocytes. Recombinant human CXCL5 (8-78 a.a.) contains 71 amino acids which is a single non-glycosylated polypeptide chain. Human CXCL5 shares 57 % amino acid sequence identity with mouse and rat CXCL5.
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are
guaranteed for 3 months from date of receipt.
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