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You are here:Home » Molecular Biology » Growth Factors-CXCL » CXCL11, Recombinant, Human (I-TAC, ITAC, Interferon Inducible T Cell Alpha Chemokine, B-R1)

CXCL11, Recombinant, Human (I-TAC, ITAC, Interferon Inducible T Cell Alpha Chemokine,
B-R1)

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Specifications

Interferon Inducible T cell Alpha Chemokine (I-TAC), or CXCL11, expressed at high levels in leukocytes, pancreas and liver exposed to IFNa, B, and y. 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.
Catalog #142859
SourceRecombinant protein corresponding to 73aa from human I-TAC expressed in E.coli.
Molecular Weight~8.3kD
Endotoxin 1EU/ug (LAL)
Biological ActivityDetermined by the ability to chemoattract IL-2 activated T cells at a concentration of 0.1-10ng/ml.
AA SequenceFPMFKRGRCL CIGPGVKAVK VADIEKASIM YPSNNCDKIE VIITLKENKG QRCLNPKSKQ ARLIIKKVER KNF
Storage and StabilityLyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 6 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Molecular Weight~8.3kD
SourceE.coli
Purity~98% (HPLC, Reducing and non-reducing SDS-PAGE).
FormSupplied as a lyophilized powder. No additives. Reconstitute with sterile dH2O.
Important NoteThis product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.


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