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Key Documents

MABT199

Sigma-Aldrich

Anti-Integrin Beta1 Antibody, clone 8E3

clone 8E3, from mouse

Sinónimos:

Integrin beta-1, Fibronectin receptor subunit beta, VLA-4 subunit beta, CD29

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

mouse

Quality Level

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

8E3, monoclonal

species reactivity

human

technique(s)

activity assay: suitable
immunoprecipitation (IP): suitable
western blot: suitable

isotype

IgG1κ

NCBI accession no.

UniProt accession no.

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... ITGB1(3688)

General description

Integrin beta1 is a transmembrane glycoprotein that forms noncovalent complexes with various alpha integrin subunits to form the functional receptors that bind to specific extracellular matrix proteins. Integrin receptors are involved in cell adhesion and recognition in a variety of processes including embryogenesis, hemostasis, tissue repair, immune response and metatastatic diffusion of tumor cells. Interactions between integrins and extracellular matrix lead to activation of signal transduction pathways and regulation of gene expression. Phosphorylation of threonines 788 and 789 on integrin beta1 receptor may play a key role in cell-cycle dependent regulation.

Specificity

This antibody recognizes the N-terminus of the PSI domain of Integrin Beta1. Under native conditions, clone 8E3 is shown to recognize the unbent, monomeric ER form of Integrin Beta1 at the PSI domain; however, the epitope only becomes exposed in the Golgi form after denaturation. This observation suggests that the epitopes are present in monomeric beta 1-integrins, but become lost following assembly with alpha-integrin subunits (Tiwari, S., et al. (2011). J Cell Sci. 124(10):1672-1680.; Mould, A. P., et al. (2004). J Biol Chem. 280(56):4238-4226.)

Immunogen

Epitope: N-terminus of the PSI domain
Purified Integrin Beta1 from HT-1080 cells.

Application

Research Category
Cell Structure
Research Sub Category
ECM Proteins
This Anti-Integrin beta1 Antibody is validated for use in WB, IP & activity assays for the detection of Integrin beta1.
Western Blot Analysis: A 1:100,000 dilution from a representative lot detected Integrin protein in WB under non-reducing conditions.

Activity Assay Analysis: A representative lot from an independent laboratory stimulated cellular adhesion and increased ligand binding activity of Integrin Beta1 (Mould, A. P., et al. (2004). J Biol Chem. 280(56):4238-4226.).

Immunoprecipitation Analysis: A representative lot from an independent laboratory immunoprecipitated Integrin Beta1 in IP (Tiwari, S., et al. (2011). J Cell Sci. 124(10):1672-1680.).

Quality

Evaluated by Western Blot in HT-1080 cell lysate.

Western Blot Analysis: A 1:2,000 dilution of this antibody detected Integrin Beta1 in 10 µg of HT-1080 cell lysate.

Target description

~100-150 kDa observed. The calculated molecular weight is 86 kDa; however, it is known to have multiple isoforms that range between ~87-91 kDa This protein is highly glycosolated and depending on the cell line or tissue, it has been observed at ~100-150 kDa (Bridger, P. S., et al. (2008). Biol Reprod. 79(2):274-282.).

Physical form

Format: Purified
Protein G Purified
Purified mouse monoclonal IgG1κ in buffer containing PBS without preservatives.

Storage and Stability

Stable for 1 year at -20°C from date of receipt.
Handling Recommendations: Upon receipt and prior to removing the cap, centrifuge the vial and gently mix the solution. Aliquot into microcentrifuge tubes and store at -20°C. Avoid repeated freeze/thaw cycles, which may damage IgG and affect product performance.

Analysis Note

Control
HT-1080 cell lysate

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

Disclaimer

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.

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Optional

Storage Class

12 - Non Combustible Liquids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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