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 >  Protein>SIRP alphaV2 >SI2-H52H9

Human SIRP alphaV2 / CD172a Protein, His Tag

分子别名(Synonym)

SHPS1,SIRPA,CD172A,BIT,MFR,MYD1,P84,PTPNS1

表达区间及表达系统(Source)

Human SIRP alphaV2 Protein, His Tag (SI2-H52H9) is expressed from human 293 cells (HEK293). It contains AA Glu 31 - Arg 369 (Accession # ATD50864.1).

Predicted N-terminus: Glu 31

Request for sequence

蛋白结构(Molecular Characterization)

Online(Glu 31 - Arg 369) ATD50864.1

This protein carries a polyhistidine tag at the C-terminus.

The protein has a calculated MW of 39.0 kDa. The protein migrates as 55-66 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

内毒素(Endotoxin)

Less than 0.1 EU per μg by the LAL method.

纯度(Purity)

>95% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

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)

Human SIRP alphaV2 Protein, His Tag (Cat. No. SI2-H52H9) SDS-PAGE gel

Human SIRP alphaV2 Protein, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

 

活性(Bioactivity)-ELISA

Biotinylated Human ELISA

Immobilized Human CD47, Fc Tag (HPLC-verified) (Cat. No. CD7-H5256) at 2 μg/mL (100 μL/well) can bind Human SIRP alphaV2 Protein, His Tag (Cat. No. SI2-H52H9) with a linear range of 0.078-1.25 μg/mL (QC tested).

Protocol

背景(Background)

Tyrosine-protein phosphatase non-receptor type substrate 1 (SHPS1) is also known as CD172 antigen-like family member A (CD172a), Macrophage fusion receptor, MyD-1 antigen, Signal-regulatory protein alpha (SIRPA or SIRP alpha) or p84, is a member of the SIRP family, and also belongs to the immunoglobulin superfamily. SIRP alpha is Ubiquitous and highly expressed in brain. SIRPA / CD172a is immunoglobulin-like cell surface receptor for CD47 and acts as docking protein and induces translocation of PTPN6, PTPN11 and other binding partners from the cytosol to the plasma membrane. SIRPA / SHPS-1 supports adhesion of cerebellar neurons, neurite outgrowth and glial cell attachment and may play a key role in intracellular signaling during synaptogenesis and in synaptic function By similarity. SIRPA / MyD1 involved in the negative regulation of receptor tyrosine kinase-coupled cellular responses induced by cell adhesion, growth factors or insulin and mediates negative regulation of phagocytosis, mast cell activation and dendritic cell activation. CD47 binding prevents maturation of immature dendritic cells and inhibits cytokine production by mature dendritic cells.

 

文献引用(Citations)

 

前沿进展

 
 
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SIRP alphaV2靶点信息
英文全称:Signal-regulatory protein alpha
中文全称:信号调节蛋白α
种类:Homo sapiens
上市药物数量:2详情
临床药物数量:14详情
最高研发阶段:批准上市
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