Integrin alpha 11 beta 1, CF, Recombinant, Mouse, aa23-1141 (Integrin alpha11beta1)
Catalog No : USB-145807
682.78€
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| Product name | Integrin alpha 11 beta 1, CF, Recombinant, Mouse, aa23-1141 (Integrin alpha11beta1) | ||
|---|---|---|---|
| Catalog No | USB-145807 | ||
| Supplier’s Catalog No | 145807 | ||
| Supplier | US Biologicals | ||
| Source antigen | Recombinant | ||
| Reactivity | |||
| Cross reactivity | |||
| Applications | |||
| Molecular weight | 115135 | ||
| Storage | -20°C | ||
|---|---|---|---|
| Other names | |||
| Grade | Highly Purified | ||
| Purity | ~95% (SDS-PAGE) | ||
| Form | Supplied as a lyophilized powder in PBS. BSA free. Reconstitute in 300ug/ml PBS. | ||
| Reactivity life | 6 months | ||
| Note | For reserch purpose only | ||
| Purity | ~95% (SDS-PAGE) | ||
| Description | Integrin alpha11beta1 is a noncovalent heterodimeric collagen receptor that contains a 150kD alpha11 subunit complexed to a 130kD beta1/CD29 subunit. alpha11beta1 is the only known alpha11-containing integrin. By contrast, at least twelve alpha-integrins share the beta1 subunit (1-5). alpha11beta1 is expressed on fibroblasts from cornea, skin and periodontal ligament (3-9). It is also expressed on mesenchymal stem cells and is considered a marker for nonmuscle mesenchymal tissue (3, 810). Expression of alpha11beta1 is stimulated by TGFbeta1, activin A, and type I interferons, and downregulated by FGF2 (6, 9-11). The alpha11 extracellular domain (ECD) contains a vWFA domain which includes the ligand binding site (25). The beta1 ECD also contains a vWFA domain, which participates in binding. Each subunit has a transmembrane sequence and a short cytoplasmic tail. The dimer assumes a folded configuration at "rest". Divalent cations and intracellular (inside-out) signaling convert it to an active, extended and open conformation (1, 2). The 1119 amino acid (aa) mouse alpha11 ECD shares 90% and 95% aa sequence identity with rat and human alpha11, respectively, while the 708aa mouse beta1 ECD shares 98% aa identity with rat and 9394% aa identity with human, bovine, porcine, ovine, canine and feline beta1. I domaincontaining beta1 integrins alpha1beta1, alpha2beta1, alpha10beta1 and alpha11beta1 all bind collagens (3-5). alpha11beta1 preferentially binds interstitial collagens such as type I (5, 8, 12). It can contract collagen matrices and influence inflammatory edema (3, 13). Depending on context, alpha11beta1 can support or inhibit cell migration on collagen (7, 8). It is frequently up-regulated in the stroma of lung adenocarcinomas and enhances tumorigenicity (14, 15). alpha11beta1 is also involved in myofibroblast differentiation in human corneal fibroblasts and human cardiac fibroblasts (9, 16). Source: Recombinant protein corresponding to aa23-1141 from mouse Integrin alpha 11 beta 1, CHO-derived. Molecular Weight: ~115-135kD Endotoxin: <0.10 EU/1ug (LAL method) Storage and Stability: Lyophilized powder may be stored at -20°C. Stable for 12 months at -20°C. Reconstitute in sterile PBS. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Reconstituted product is stable for 12 months at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer. | ||
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