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Interferon-Inducible T Cell Alpha Chemoattractant (CXCL11) Active Protein

For Research Use Only. Not for use in diagnostic procedures. Catalog #: MBS650538

CXCL11 (ITAC) is one of three chemokines known to bind the receptor CXCR3, the two others being CXCL9 (Mig) and CXCL10 (IP-10). CXCL11 differs from the other CXCR3 ligands in both the strength and the particularities of its receptor interactions: It has a… More details

$370 / 0.005 mg +1 FREE 8GB USB
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Testing Data View PDF
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Technical Datasheet View PDF
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Product Overview

Online Datasheet in PDF
Product Name
Interferon-inducible T Cell Alpha Chemoattractant (CXCL11), Active Protein
Full Product Name
Interferon-inducible T Cell Alpha Chemoattractant, Recombinant, Human (I-TAC)
Product Gene Name
Sequence
The sequence of the first five N-terminal amino acids was determined and was found to be, Phe-Pro-Me t-Phe-Lys.
Host
E Coli
Form/Format
Supplied as a lyophilized powder without additives.
Purity/Purification
Highly Purified
98% as determined by RP-HPLC, anion-exchange FPLC and/or reducing and non-reducing SDS-PAGE Silver Stained gel.
Preparation and Storage
-20 degree C
Stability: Lyophilized I-TAC although stable at room temperature for 3 weeks, should be stored desiccated below -180C. Upon reconstitution I-TAC should be stored at 40C between 2-7 days and for future use below -180C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). Please avoid freeze-thaw cycles.
Molecular Weight
8.3kD
Chromosome Location
Chromosome: 4; NC_000004.11 (76954835..76957233, complement). Location: 4q21.2
OMIM
604852
3D Structure
ModBase 3D Structure for O14625
Active Protein Note
Protein activity can be an ambiguous term. Please refer to the data sheet or inquire with Technical Support to determine the definition of activity for this product.
Biological Activity
Recombinant Human I-TAC is fully biologically active when compared to standard. The Activity is calculated by the ability to chemoattract IL-2 activated T-cells using a concentration of 0.1-10 ng/ml.
Dimers and Aggregates
Less than 1% as determined by silver-stained SDS-PAGE gel analysis.
Endotoxin Level
0.1ng/ug (IEU/ug) of Human I-TAC.
Protein Content
Protein quantitation was carried out by two independent methods:
1. UV spectroscopy at 280 nm.
2. Analysis by RP-HPLC, using a calibrated solution of Human I-TAC as a Reference Standard.
Solubility
It is recommended to reconstitute the lyophilized Recombinant Human I-TAC in sterile 18M -cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.

Other Notes

Small volumes of CXCL11 active protein vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Searchable Terms for CXCL11 purchase

MBS650538 is an active protein targeting CXCL11. Also known as Interferon-inducible T Cell Alpha Chemoattractant, Recombinant, Human (I-TAC). Host: E Coli.

Additional Details

NCBI/Uniprot data below describe general gene information for CXCL11. It may not necessarily be applicable to this product.

NCBI GI #
NCBI GeneID
UniProt Primary Accession #
UniProt Secondary Accession #
UniProt Related Accession #
NCBI Official Full Name
interferon stimulated T-cell alpha chemoattractant
NCBI Official Synonym Full Names
chemokine (C-X-C motif) ligand 11
NCBI Official Symbol
CXCL11
NCBI Official Synonym Symbols
IP9; H174; IP-9; b-R1; I-TAC; SCYB11; SCYB9B; MGC102770
UniProt Protein Name
C-X-C motif chemokine 11
UniProt Synonym Protein Names
Beta-R1; H174; Interferon gamma-inducible protein 9; IP-9; Interferon-inducible T-cell alpha chemoattractant; I-TAC; Small-inducible cytokine B11
Protein Family
UniProt Gene Name
CXCL11
UniProt Synonym Gene Names
ITAC; SCYB11; SCYB9B
UniProt Entry Name
CXL11_HUMAN
NCBI Protein Information
C-X-C motif chemokine 11; beta-R1; OTTHUMP00000160594; OTTHUMP00000219213; OTTHUMP00000219214; small inducible cytokine B11; small-inducible cytokine B11; interferon gamma-inducible protein 9; interferon-inducible T-cell alpha chemoattractant; small inducible cytokine subfamily B (Cys-X-Cys), member 11; small inducible cytokine subfamily B (Cys-X-Cys), member 9B

NCBI Summary for CXCL11

Chemokines are a group of small (approximately 8 to 14 kD), mostly basic, structurally related molecules that regulate cell trafficking of various types of leukocytes through interactions with a subset of 7-transmembrane, G protein-coupled receptors. Chemokines also play fundamental roles in the development, homeostasis, and function of the immune system, and they have effects on cells of the central nervous system as well as on endothelial cells involved in angiogenesis or angiostasis. Chemokines are divided into 2 major subfamilies, CXC and CC. This gene is a CXC member of the chemokine superfamily. Its encoded protein induces a chemotactic response in activated T-cells and is the dominant ligand for CXC receptor-3. The gene encoding this protein contains 4 exons and at least three polyadenylation signals which might reflect cell-specific regulation of expression. IFN-gamma is a potent inducer of transcription of this gene. [provided by RefSeq]
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UniProt Comments for CXCL11

Function: Chemotactic for interleukin-activated T-cells but not unstimulated T-cells, neutrophils or monocytes. Induces calcium release in activated T-cells. Binds to CXCR3. May play an important role in CNS diseases which involve T-cell recruitment. May play a role in skin immune responses.

Subcellular location: Secreted.

Tissue specificity: High levels in peripheral blood leukocytes, pancreas and liver astrocytes. Moderate levels in thymus, spleen and lung. Low levels in placenta, prostate and small intestine. Also found in epidermal basal layer keratinocytes in skin disorders.

Induction: By IFNG/IFN-gamma and IFNB1/IFN-beta. Induction by IFNG/IFN-gamma is enhanced by TNF in monocytes, dermal fibroblasts and endothelial cells, and by IL1/interleukin-1 in astrocytes.

Sequence similarities: Belongs to the intercrine alpha (chemokine CxC) family.

Mass spectrometry: Molecular mass is 8303 Da from positions 22 - 94. Determined by MALDI. Ref.4

Sequence caution: The sequence AAB17374.1 differs from that shown. Reason: Erroneous initiation.
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Precautions

All of MyBioSource's Products are for scientific laboratory research purposes and are not for diagnostic, therapeutics, prophylactic or in vivo use. Through your purchase, you expressly represent and warrant to MyBioSource that you will properly test and use any Products purchased from MyBioSource in accordance with industry standards. MyBioSource and its authorized distributors reserve the right to refuse to process any order where we reasonably believe that the intended use will fall outside of our acceptable guidelines.

Disclaimer

While every efforts were made to ensure the accuracy of the information provided in this datasheet, MyBioSource will not be liable for any omissions or errors contained herein. MyBioSource reserves the right to make changes to this datasheet at any time without prior notice.

It is the responsibility of the customer to report product performance issues to MyBioSource within 30 days of receipt of the product. Please visit our Terms & Conditions page for more information.

Product Note

Select online data sheet information is drawn from bioinformatics databases, occasionally resulting in ambiguous or non-relevant product information. It is the responsibility of the customer to review, verify, and evaluate the information to make sure it matches their requirements before purchasing the kit. Our ELISA Kit assays are dynamic research tools and sometimes they may be updated and improved. If the format of this assay is important to you then please request the current manual or contact our technical support team with a presales inquiry before placing an order. We will confirm the current details of the assay. We cannot guarantee the sample manual posted online is the most current manual, it is intended to serve as an example only. Please refer to the instructions For Use provided with the assay kit for precise details.

Product PubMed Publications

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