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Manufactured by BioVendor

Fractalkine Human E. coli

  • Regulatory status:RUO
  • Type:Recombinant protein
  • Source:E. coli
  • Other names:CX3CL1
  • Species:Human
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Cat. No. Size Price

RBG10149005 5 µg
RBG10149020 20 µg
RBG10149100 100 μg
PubMed Product Details
Technical Data


Recombinant protein


Fractalkine is a CX3CL chemokine that signals through the CX3CR1 receptor. Fractalkine has been shown to chemoattract monocytes, microglia cells and NK cells. Fractalkine is, at this time, the only CXC3C chemokine that contains three amino acid residues between the first and second cysteine residues of the chemokine domain. The Fractalkine gene encodes for a 397 amino acid precursor protein containing a 24 amino acid signal sequence, a chemokine domain, and a “mucin-like stalk” sequence, which is followed by the transmembrane domain containing approximately 20 amino acids, and a C-terminal cytoplasmic domain. The extracellular chemokine domain contains 76 amino acid residues, including the four conserved cysteine residues found in other chemokines. Recombinant Human Fractalkine is an 8.5 kDa protein containing 76 amino acid residues, including the four conserved cysteine residues present in CC chemokines.

Amino Acid Sequence



E. coli



Biological Activity

Determined by its ability to chemoattract human T cells using a concentration range of 5.0–10.0 ng/ml.


Endotoxin level is <0.1 ng/μg of protein (<1EU/μg).


Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1–1.0 mg/ml. Do not vortex. This solution can be stored at 2–8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at –20°C to –80°C.




Research topic


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