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Biotinylated Human CD47 Protein, Fc,Avitag™ (MALS verified)

分子别名(Synonym)

CD47,MER6,IAP,OA3

表达区间及表达系统(Source)

MABSol® Biotinylated Human CD47, Fc,Avitag (CD7-H82F6) is expressed from human HEK293 cells. It contains AA Gln 19 - Pro 139 (Accession # Q08722-3).

Predicted N-terminus: Gln 19

Request for sequence

蛋白结构(Molecular Characterization)

CD47 Structure

This protein carries a human IgG1 Fc tag at the C-terminus, followed by an Avi tag (Avitag™).

The protein has a calculated MW of 42.2 kDa. The protein migrates as 55-66 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

标记(Labeling)

Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.

蛋白标记度(Protein Ratio)

Passed as determined by the HABA assay / binding ELISA.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>95% as determined by SDS-PAGE.

>95% as determined by SEC-MALS.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and 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 24 months in lyophilized state;
  2. -70°C for 24 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

CD47 SDS-PAGE

Biotinylated Human CD47, Fc,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

SEC-MALS

CD47 SEC-MALS

The purity of Biotinylated Human CD47, Fc,Avitag (Cat. No. CD7-H82F6) is more than 95% and the molecular weight of this protein is around 105-135 kDa verified by SEC-MALS.

Report

 

活性(Bioactivity)-ELISA

CD47 ELISA

Immobilized Human SIRP alpha, His Tag (HPLC-verified) (Cat. No. SIA-H5225) at 2 μg/mL (100 μL/well) can bind Biotinylated Human CD47, Fc,Avitag (Cat. No. CD7-H82F6) with a linear range of 0.004-0.5 μg/mL (QC tested).

Protocol

CD47 BATCH ELISA
CD47 ELISA

Immobilized Biotinylated Human CD47, Fc,Avitag (Cat. No. CD7-H82F6) at 1 μg/mL (100 μL/well) on streptavidin precoated (0.2 μg/well) plate, can bind Cynomolgus SIRP alpha, His Tag (Cat. No. SIA-C52H7) with a linear range of 0.039-0.625 μg/mL (Routinely tested).

Protocol

CD47 ELISA

Serial dilutions of Anti-Human CD47 Neutralizing Antibody were added into Human SIRP alpha, Mouse IgG1 Fc Tag (HPLC-verified) (Cat. No. SIA-H52A8): Biotinylated Human CD47, Fc,Avitag (Cat. No. CD7-H82F6) binding reactions. The half maximal inhibitory concentration (IC50) is 0.2006 μg/mL (Routinely tested).

Protocol

CD47 ELISA

Serial dilutions of Anti-Human CD47 Neutralizing Antibody were added into Human SIRP alpha, His Tag (HPLC-verified) (Cat. No. SIA-H5225): Biotinylated Human CD47, Fc,Avitag (Cat. No. CD7-H82F6) binding reactions. The half maximal inhibitory concentration (IC50) is 0.1245 μg/mL (Routinely tested).

Protocol

 

活性(Bioactivity)-FACS

CD47 FACS

FACS assay shows that Biotinylated Human CD47, Fc,Avitag (Cat. No. CD7-H82F6) can bind to ACHN cell expressing human SIRP-a. The concentration of CD47 used is 3 μg/mL (Routinely tested).

Protocol

CD47 FACS

FACS analysis shows that the binding of Biotinylated Human CD47, Fc,Avitag to ACHN expressing SIRP-a was inhibited by increasing concentration of neutralizing SIRP-a antibody. The concentration of Human CD47 used is 3 μg/mL (Routinely tested).

Protocol

 

背景(Background)

Leukocyte surface antigen CD47 is also known as Antigenic surface determinant protein OA3, Integrin-associated protein (IAP) and Protein MER6. CD47 contains 1 Ig-like V-type (immunoglobulin-like) domain. CD47 is very broadly distributed on normal adult tissues. CD47 has a role in both cell adhesion by acting as an adhesion receptor for THBS1 on platelets, and in the modulation of integrins and plays an important role in memory formation and synaptic plasticity in the hippocampus by similarity. CD47 is the receptor for SIRPA, binding to which prevents maturation of immature dendritic cells and inhibits cytokine production by mature dendritic cells. CD47 Interaction with SIRPG mediates cell-cell adhesion, enhances superantigen-dependent T-cell-mediated proliferation and costimulates T-cell activation.

文献引用(Citations)

 

前沿进展

 
 
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CD47靶点信息
英文全称:Cluster of differentiation 47
中文全称:分化群47
种类:Homo sapiens
上市药物数量:0详情
临床药物数量:55详情
最高研发阶段:临床三期
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