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  • I8638 - Anti-Integrin β1 antibody, Mouse monoclonal

I8638 Sigma-Aldrich

Anti-Integrin β1 antibody, Mouse monoclonal

clone W1B10, purified from hybridoma cell culture



Related Categories Alphabetical Index, Antibodies, Antibodies against Proteins/Bioactives/Markers/Receptors for Stem Cell Biology, Antibodies for Cell Biology, Antibodies for Embryonic Stem Cells,
conjugate   unconjugated
clone   W1B10, monoclonal
biological source   mouse
application(s)   immunoprecipitation (IP): suitable
  indirect immunofluorescence: suitable
  western blot: 1:200 using denatured, non-reduced extract of cultured fibroblasts from chicken embryo lower leg
species reactivity   chicken
mol wt   antigen 100-140 kDa
form   buffered aqueous solution
shipped in   dry ice
storage temp.   −20°C
antibody form   purified from hybridoma cell culture
  purified immunoglobulin
isotype   IgG1
antibody product type   primary antibodies
contains   15 mM sodium azide
UniProt accession no.   P07228
Gene Information   chicken ... ITGB1(374058)


General description

Monoclonal anti-β-1-Chicken Integrin (mouse IgG1 isotype) is derived from the W1B10 hybridoma1 produced by the fusion of mouse myeloma cells and splenocytes from BALB/c mice immunized with purified chicken integrin from fibroblasts of 11 days old chicken embryos. Chicken integrin is a heterodimer consisting of the common β-1 subunit and two α subunits (α-5 or α-3). The β-1 subunit of chicken integrin is a 803-amino acid transmembrane glycoprotein consisting of a large extracellular domain and a short cytoplasmic domain.


The antibody recognizes an epitope on the extracellular side of the avian integrin complex, and inhibits adhesion of embryo and tendon fibroblasts as well as skeletal myoblasts to both laminin and fibronectin. Under reducing and denaturing conditions using extracts of chicken embryo muscle cells, the antibody precipitates the β1 class integrin heterodimer as a broad band of ~140 kDa. In the absence of reducing agents, the integrin β1 subunit appears as bands at 100 kDa (immature form), 100 kDa (mature form), and 140 kDa (noncovalently associated α-subunits). The antibody may also be used for bioactivity studies in adhesion assays.


chicken integrin.1


Anti-Integrin β1 antibody, Mouse monoclonal has been used in western blot, fluorescent activated cell sorter (FACS) analysis.

Physical form

Solution in 0.01 M phosphate buffered saline pH 7.4, containing 1% bovine serum albumin with 15 mM 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

Integrin binding to extracellular matrix (ECM) ligands regulates cell adhesion, shape, motility, intracellular signalling and gene expression. The monoclonal anti-b-1 chicken integrin antibody (clone W1B10) has been used to inhibit chicken muscle cell adhesion in cell cultures.

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 
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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