膜杰作
Star Staining
分子别名（Synonym）
Integrin alpha V beta 5,ITGAV&ITGB5
表达区间及表达系统（Source）
Rat ITGAV&ITGB5 Heterodimer, His Tag&Tag Free (IT5-R52E3) is expressed from human 293 cells (HEK293). It contains AA Phe 31 - Pro 988 (ITGAM) & Leu 25 - Asn 719 (ITGB5) (Accession # NP_001385621.1 (ITGAM) & NP_671480.2 (ITGB5)).
Predicted N-terminus: Phe 31 | Leu 25
Request for sequence
蛋白结构（Molecular Characterization）
Rat ITGAV&ITGB5 Heterodimer, His Tag&Tag Free, has a calculated MW of 112.3 kDa (ITGAV) & 81.6 kDa (ITGB3). Subunit ITGAV is fused with an acidic tail at the C-terminus and followed by a polyhistidine tag and subunit ITGB3 contains no tag but a basic tail at the C-terminus.
内毒素（Endotoxin）
Less than 1.0 EU per μg by the LAL method.
纯度（Purity）
>90% as determined by SDS-PAGE.
制剂（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.
重构方法（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.
存储（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:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
电泳（SDS-PAGE）
Rat ITGAV&ITGB5 Heterodimer, 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%.
活性（Bioactivity）-ELISA
Immobilized Human Vitronectin at 5 μg/mL (100 μL/well) can bind Rat ITGAV&ITGB5 Heterodimer, His Tag&Tag Free (Cat. No. IT5-R52E3) with a linear range of 0.02-0.156 μg/mL (QC tested).
Protocol
Immobilized Biotinylated Human Vitronectin at 1 μg/mL (100 μL/well) on streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate can bind Rat ITGAV&ITGB5 Heterodimer, His Tag&Tag Free (Cat. No. IT5-R52E3) with a linear range of 0.078-0.625 μg/mL (Routinely tested).
Protocol
背景（Background）
Integrin alpha V beta 5 (ITGAV & ITGB5) is expressed on a wide variety of cell types including keratinocytes, fibroblasts, adhesive monocytes, embryonic stem cells, and select endothelium and epithelium. ITGAV & ITGB5 binds ligands containing an RGD motif, notably vitronectin. Growth factors that increase PKC activity, such as VEGF or TGF alpha, promote ITGAV & ITGB5-mediated angiogenesis while alpha V beta 3, which may be expressed in the same cell, responds to FGF-basic and TNF alpha. An inhibitor of both down regulates tumor angiogenesis. During lung inflammation, up regulation of ITGAV & ITGB5 on myofibroblasts or infiltrating lymphocytes may contribute to fibrosis by freeing TGF beta from latency.
