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Human Integrin alpha 4 beta 1 (ITGA4&ITGB1) Heterodimer Protein, His Tag&Tag Free

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分子别名(Synonym)

Integrin alpha 4 beta 1,ITGA4&ITGB1

表达区间及表达系统(Source)

Human ITGA4&ITGB1 Heterodimer Protein, His Tag&Tag Free (IT1-H52W1) is expressed from human 293 cells (HEK293). It contains AA Tyr 34 - Thr 977 (ITGA4) & Gln 21 - Asp 728 (ITGB1) (Accession # P13612-1 (ITGA4) & P05556-1 (ITGB1)).

Predicted N-terminus: Tyr 34 & Ser 592 (ITGA4) & Gln 21 (ITGB1)

Request for sequence

蛋白结构(Molecular Characterization)

Integrin alpha 4 beta 1 Structure

Human ITGA4&ITGB1 Heterodimer Protein, His Tag&Tag Free, produced by co-expression of ITGA4 and ITGB1, has a calculated MW of 111.5 kDa (ITGA4) and 83.7 kDa (ITGB1). Subunit ITGA4 is fused with an acidic tail at the C-terminus and followed by a polyhistidine tag and subunit ITGB1 contains no tag but a basic tail at the C-terminus. The ITGA4 subunit is composed of a heavy chain (Tyr 34 - Arg 591, calculated MW 61.1 kDa) and a light chain (Ser 592 - Thr 977, calculated MW 50.4 kDa). Consequently ITGA4 migrates as 60-70 kDa, 80-85 kDa and 135-150 kDa, and ITGB1 as 100-133 kDa respectively under reducing (R) condition due to cleavage and glycosylation.

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:

  1. -20°C to -70°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Integrin alpha 4 beta 1 SDS-PAGE

Human ITGA4&ITGB1 Heterodimer Protein, His Tag&Tag Free on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90%.

 

活性(Bioactivity)-ELISA

Integrin alpha 4 beta 1 ELISA

Immobilized Natalizumab at 1 μg/mL (100 μL/well) can bind Human ITGA4&ITGB1 Heterodimer Protein, His Tag&Tag Free (Cat. No. IT1-H52W1) with a linear range of 1-16 ng/mL (QC tested).

Protocol

 

背景(Background)

Integrins are transmembrane proteins that mediate interactions between adhesion molecules on adjacent cells and/or the extracellular matrix (ECM). Integrins have diverse roles in several biological processes including cell migration during development and wound healing, cell differentiation, and apoptosis. Their activities can also regulate the metastatic and invasive potential of tumor cells. Integrin alpha 4 beta 1(Alpha-4/beta-1) is receptors for fibronectin. Integrin alpha-4/beta-1 is a receptor for VCAM1 and recognizes the sequence Q-I-D-S in VCAM1.

 

前沿进展

 
 
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Integrin alpha 4 beta 1靶点信息
英文全称:Integrin alpha-4/beta-1
中文全称:整合素α-4/β-1复合体
种类:Homo sapiens
上市药物数量:3详情
临床药物数量:5详情
最高研发阶段:批准上市
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