Human ITAC (I-TAC / CXCL11)

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Interferon Inducible T-cell α Chemokine (I-TAC), or CXCL11, expressed at high levels in leukocytes, pancreas and liver exposed to IFNα, β, and γ. I-TAC is one of three chemokines known to bind the receptor CXCR3 (the two others being CXCL9 and CXCL10 (IP-10)) to act as a chemoattractant for IL-2 activated T cells. CXCL11 differs from the other CXCR3 ligands in that it has a higher receptor affinity, thus acts as a stronger agonist. Recombinant human I-TAC is a non-glycosylated protein, containing 73 amino acids and having a molecular mass of 8.3 kDa.

Ships ambient.

Store frozen at -20 to -10C.


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