Recombinant Rat CX3CL1/Fractalkine Protein Summary
A single, non-glycosylated biologically active polypeptide chain consisting a chemokine domain of Human Fracktalkine and corresponding to 76 residues of CX3CL1.
Source: E. coli
Amino Acid Sequence: QHLGMTKCNI TCHKMTSPIP VTLLIHYQLN QESCGKRAII LETRQHRHFC ADPKEKWVQD AMKHLDHQTA ALTRNG
Novus' biologically active proteins are stringently purified to provide only the safest and most highly effective proteins available. This protein was expressed in E. coli, purified by HPLC, QC tested by SDS-PAGE and Western Blot and validated on appropriate cell lines for bioactivity. All HPLC and bioactivity data is provided for your assurance.
|Details of Functionality
CX3CL1 Protein is fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human monocytes is in a concentration of 5.0-10 ng/ml.
| Protein/Peptide Type
>95% pure by SDS-PAGE
Less than 1 EU/ug of endotoxin as determined by LAL method.
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
Store at -20C. Avoid freeze-thaw cycles.
Lyophilized from a 0.2 um filtered concentrated solution in 2x PBS, pH 7.4.
>95% pure by SDS-PAGE
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.
This lyophilized preparation is stable at 2-8 degrees C, but should be kept at -20 degrees C for long term storage, preferably desiccated. Upon reconstitution, the preparation is most stable at -20 to -80 degrees C, and can be stored for one week at 2-8 degrees C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 degrees C to -80 degrees C. Avoid repeated freeze/thaw cycles.
Alternate Names for Recombinant Rat CX3CL1/Fractalkine Protein
- chemokine (C-X3-C motif) ligand 1
- CX3C membrane-anchored chemokine
- NTNsmall inducible cytokine subfamily D (Cys-X3-Cys), member 1 (fractalkine
- NTTSmall-inducible cytokine D1
- SCYD1C-X3-C motif chemokine 1
- small inducible cytokine subfamily D (Cys-X3-Cys), member-1
CX3CL1 recently identified through bioinformatics is the only known member of the CX3C chemokine family and it is also commonly known under the names fractalkine (in humans) and neurotactin (in mice). Unlike other known chemokines, CX3CL1 is a type 1 membrane protein containing a chemokine domain tethered on a long mucinlike talk. The soluble form of CX3CL1 is chemotactic for T-cells and monocytes, but not for neutrophils. In addition, it may play a role in regulating leukocyte adhesion and migration processes at the endothelium. Recombinant Rat CX3CL1 contains 76 amino acids and it shares approximately 86 % and 83 % amino acid sequence homology with the murine and human protein.
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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