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Human CD4 Protein, Fc Tag (MALS verified) DMF Filed

分子别名(Synonym)

CD4,CD4mut,LEU3

表达区间及表达系统(Source)

Human CD4, Fc Tag (MALS verified) (CD4-H5259) is expressed from human 293 cells (HEK293). It contains AA Lys 26 - Pro 396 (Accession # AAH25782).

Predicted N-terminus: Lys 26

Request for sequence

蛋白结构(Molecular Characterization)

Online(Lys 26 - Pro 396) AAH25782

This protein carries a human IgG1 Fc tag at the C-terminus.

The protein has a calculated MW of 67.5 kDa. The protein migrates as 70-80 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

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, Glycine and NaCl, pH7.5. 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 12 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Human CD4, Fc Tag (MALS verified) (Cat. No. CD4-H5259) SDS-PAGE gel

Human CD4, Fc Tag (MALS verified) on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

SEC-MALS

Human CD4, Fc Tag (MALS verified) (Cat. No. CD4-H5259) MALS images

The purity of Human CD4, Fc Tag (MALS verified) (Cat. No. CD4-H5259) is more than 95% and the molecular weight of this protein is around 150-170 kDa verified by SEC-MALS.

Report

 

活性(Bioactivity)-ELISA

Biotinylated Human ELISA

Immobilized Human CD4, Fc Tag (Cat. No. CD4-H5259) at 1 μg/mL (100 μL/well) can bind Ibalizumab (Human IgG4) with a linear range of 0.2-3 ng/mL (QC tested).

Protocol

Biotinylated Human  ELISA

Immobilized HIV-1 [HIV-1/Clade B/C (CN54)] GP120, His Tag (Cat. No. GP4-V15227) at 2 μg/mL (100 μL/well) can bind Human CD4, Fc Tag (Cat. No. CD4-H5259) with a linear range of 1-31 ng/mL (Routinely tested).

Protocol

背景(Background)

T-cell surface glycoprotein CD4 is also known as T-cell surface antigen T4/Leu-3. CD4 contains three Ig-like C2-type (immunoglobulin-like) domains and one Ig-like V-type (immunoglobulin-like) domain. CD4 is accessory protein for MHC class-II antigen/T-cell receptor interaction. CD4 induces the aggregation of lipid rafts. CD4 is a primary receptor used by HIV-1 to gain entry into host T cells. HIV infection leads to a progressive reduction of the number of T cells possessing CD4 receptors. Therefore, medical professionals refer to the CD4 count to decide when to begin treatment for HIV-infected patients.

 

前沿进展

 
 
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CD4靶点信息
英文全称:T-cell surface antigen CD4
中文全称:T细胞表面抗原CD4
种类:Homo sapiens
上市药物数量:1详情
临床药物数量:23详情
最高研发阶段:批准上市
前沿进展

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