Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

CyTOF-ready, Intracellular Staining by Flow Cytometry

Cited:

Cell-based ELISA, Flow Cytometry, Functional Assay, Immunocytochemistry, Immunohistochemistry, Immunohistochemistry-Frozen, Neutralization, Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 51637

View all CX3CL1/Fractalkine Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human CX3CL1/Fractalkine Chemokine Domain
Gln25-Arg339 (Ser199Asn) (predicted)
Accession # P78423

Specificity

Detects human CX3CL1/Fractalkine Chemokine Domain in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant mouse CX3CL1 or recombinant rat CX3CL1 is observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Applications for Human CX3CL1/Fractalkine Chemokine Domain Antibody

Application
Recommended Usage

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Intracellular Staining by Flow Cytometry

0.25 µg/106 cells
Sample: Human CX3CL1/Fractalkine transfected NS0 cells fixed with paraformaldehyde and permeabilized with saponin

Formulation, Preparation, and Storage

Purification

Protein A or G purified from ascites

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
Size / Price
Qty

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CX3CL1/Fractalkine

CX3CL1, also named neurotactin, is a novel chemokine identified through bioinformatics. CX3CL1 has a unique C-X3-C cysteine motif near the amino-terminus and is the first member of a fourth branch of the chemokine superfamily. Unlike other known chemokines, CX3CL1 is a type 1 membrane protein containing a chemokine domain tethered on a long mucin-like stalk. Human CX3CL1 cDNA encodes a 397 amino acid (aa) residue membrane protein with a 24 aa residue predicted signal peptide, a 76 aa residue chemokine domain, a 241 aa residue stalk region containing 17 degenerate mucin-like repeats, a 19 aa residue transmembrane segment and a 37 aa residue cytoplasmic domain. The extracellular domain of human CX3CL1 can be released, possibly by proteolysis at the dibasic cleavage site proximal to the membrane, to generate soluble CX3CL1. CX3CL1 mRNA has been detected in various tissues including the brain and heart. The expression of CX3CL1 was also reported to be up-regulated in endothelial cells and microglia by inflammatory signals. Membrane-bound CX3CL1 has been shown to promote adhesion of leukocytes. The soluble chemokine domain of human CX3CL1 was reported to be chemotactic for T cells and monocytes while the soluble chemokine domain of mouse CX3CL1 was reported to chemoattract neutrophils and T-lymphocytes but not monocytes.

References

  1. Pan, Y. et al. (1997) Nature 387:611.
  2. Bazan, J.F. et al. (1997) Nature 385:640.
  3. Mackay, C.R. (1997) Current Biology 7:R384.

Alternate Names

FKN, Fractalkine, Neurotactin

Entrez Gene IDs

6376 (Human); 20312 (Mouse); 89808 (Rat); 102117496 (Cynomolgus Monkey)

Gene Symbol

CX3CL1

UniProt

P78423

Additional CX3CL1/Fractalkine Products

Product Documents for Human CX3CL1/Fractalkine Chemokine Domain Antibody

Product Datasheets

Certificate of Analysis

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Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human CX3CL1/Fractalkine Chemokine Domain Antibody

For research use only

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