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GW21075 Sigma-Aldrich

Anti-CXCR4 antibody produced in chicken

affinity isolated antibody, buffered aqueous solution

Synonym: Anti-C-X-C chemokine receptor type 4



Related Categories A to L, Alphabetical Index, Antibodies, Antibodies for Cell Biology, Antibodies to Chemokine Receptors,
conjugate   unconjugated
clone   polyclonal
biological source   chicken
application(s)   western blot: suitable
species reactivity   mouse, rat, human
form   buffered aqueous solution
shipped in   wet ice
storage temp.   −20°C
antibody form   affinity isolated antibody
Quality Level   200
antibody product type   primary antibodies
mfr. no.   Genway, 15-288-21075
NCBI accession no.   NP_003458.1
UniProt accession no.   P61073
Gene Information   human ... CXCR4(7852)



Immunogen Sequence: GI # 4503175, sequence 6-41

Recombinant chemokine (C-X-C motif) receptor 4 isoform b


Anti-CXCR4 antibody produced in chicken is suitable for western blotting analysis at a dilution of 1:500, for tissue or cell staining at a dilution of 1:200.

Physical form

Solution in phosphate buffered saline containing 0.02% sodium azide.


Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.

Biochem/physiol Actions

C-X-C chemokine receptor type 4 (CXCR-4) is a protein encoded by the CXCR4 gene in humans. It is expressed in various cell types and the mechanisms involved in the regulation of its expression are still unknown. CXCR4 is a cofactor for fusion and entry of T cell-tropic strains of HIV-1. It is a chemokine receptor that is overexpressed in certain cancer types and involved in migration toward distant organs. CXCR4 is associated with various functions such as embryo organogenesis, immunological functions and T lymphocyte trafficking. High CXCR4 expression can be helpful in predicting clear-cell renal cell carcinoma (ccRCC). It plays a vital role in modulating cell trafficking in hematopoietic stem cells and clonal B cells. CXCR4 plays an important role in biological processes, as well as in tumorigenesis and the progression of cancer, especially breast cancer. It is an efficient prognostic factor for breast cancer.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles


Antibody Basics

Immunoglobulins (Igs) are produced by B lymphocytes and secreted into plasma. The Ig molecule in monomeric form is a glycoprotein with a molecular weight of approximately 150 kDa that is shaped more ...
Keywords: Affinity chromatography, Centrifugation, Chromatography, Digestions, Direct immunofluorescence, Gene expression, High performance liquid chromatography, Immunofluorescence, Ion Exchange, Microscopy, Precipitation, Purification, Rheumatology, Scanning electron microscopy


Western Blot Protocol | Immunoblotting Protocol

Western Blotting refers to the electrophoretic transfer of proteins from sodium dodecyl sulfate polyacrylamide gels to sheets of PVDF or nitrocellullose membrane, followed by immunodetection of prote...
Keywords: AGE, Buffers, Cell disruption, Detection methods, Detergents, Dialysis, Electroblotting, Electrophoresis, Enzyme activity, Gel electrophoresis, Immunoprecipitation, PAGE, Protein extraction, Purification, Sample preparations, Western blot

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