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Your Position: Home > Protein > Integrin alpha 4 beta 7 > IT7-H52W4

Human Integrin alpha 4 beta 7 (ITGA4&ITGB7) Heterodimer Protein, His Tag&Tag Free (MALS verified)

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  • Synonym
    Integrin alpha 4 beta 7,ITGA4&ITGB7
  • Source
    Human ITGA4&ITGB7 Heterodimer Protein, His Tag&Tag Free(IT7-H52W4) is expressed from human 293 cells (HEK293). It contains AA Tyr 34 - Thr 977 (ITGA4) & Glu 20 - His 723 (ITGB7) (Accession # P13612-1 (ITGA4) & P26010-1 (ITGB7)).
    Predicted N-terminus: Tyr 34 (ITGA4) & Glu 20 (ITGB7)
  • Molecular Characterization
    Integrin alpha 4 beta 7 Structure

    Human ITGA4&ITGB7 Heterodimer Protein, His Tag&Tag Free, produced by co-expression of ITGA4 and ITGB7, has a calculated MW of 111.4 kDa (ITGA4) & 83.7 kDa (ITGB7). The protein migrates as 55 kDa, 80 kDa, 100-120 kDa and 130-150 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under non-reducing (NR) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >90% as determined by SDS-PAGE.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 150 mM NaCl, pH7.5 with trehalose as protectant.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
Integrin alpha 4 beta 7 SDS-PAGE

Human ITGA4&ITGB7 Heterodimer Protein, His Tag&Tag Free on SDS-PAGE under non-reducing (NR) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).

SEC-MALS
Integrin alpha 4 beta 7 MALS images

The purity of Human ITGA4&ITGB7 Heterodimer Protein, His Tag&Tag Free (Cat. No. IT7-H52W4) is more than 85% and the molecular weight of this protein is around 210-250 kDa verified by SEC-MALS.

Bioactivity-ELISA
 Integrin alpha 4 beta 7 ELISA

Immobilized Human ITGA4&ITGB7 Heterodimer Protein, His Tag&Tag Free (Cat. No. IT7-H52W4) at 2 μg/mL (100 μL/well) can bind Monoclonal Anti-Human ITGA4&ITGB7 Antibody, Human IgG4 with a linear range of 0.1-2 ng/mL (QC tested).

 Integrin alpha 4 beta 7 ELISA

Immobilized Human ITGA4&ITGB7 Heterodimer Protein, His Tag&Tag Free (Cat. No. IT7-H52W4) at 1 μg/mL (100 μL/well) can bind Human MAdCAM-1, Fc Tag (Cat. No. MAM-H5253) with a linear range of 0.2-4 ng/mL (Routinely tested).

  • Background
    Integrin alpha 4 beta 7 is an integrin family adhesion receptor that shares subunits with alpha 4 beta 1 (VLA4) and the E-Cadherin receptor, alpha E beta 7 . Integrin alpha 4 beta 7, which is critical for homing to intestinal mucosa, is induced during T cell activation in Peyer’s patches or mesenteric lymph nodes.Its expression requires signals from local dendritic and stromal cells, including secreted retinoic acid. The HIV-1 envelope protein gp120 binds to the active form of Integrin alpha 4 beta 7, and this may or may not account for the concentration of HIV-1 virus in the gut-associated lymphoid tissue (GALT). Integrin alpha 4 beta 7 may also be involved in lymphocyte trafficking in acute intestinal graft vs. host disease (GVHD).
  • Clinical and Translational Updates

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