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Your Position: ホーム > Protein > CD4 > CD4-H82F3

Biotinylated Human CD4 Protein, Fc,Avitag™ (MALS verified)

  • シノニム
    CD4,CD4mut,LEU3
  • ソース
    Biotinylated Human CD4, Fc,Avitag (CD4-H82F3) is expressed from human 293 cells (HEK293). It contains AA Lys 26 - Pro 396 (Accession # P01730-1).
    Predicted N-terminus: Lys 26
  • 分子特性
    Online(Lys 26 - Pro 396) P01730-1

    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 69.7 kDa. As a result of glycosylation, the protein migrates as 80 kDa under reducing (R) condition, and 150 kDa under non-reducing (NR) condition (SDS-PAGE).

  • ビオチン化
    ビオチン化 of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
  • Biotin:Protein Ratio
    Passed as determined by the HABA assay / binding ELISA.
  • エンドトキシン
    Less than 1.0 EU per μg by the LAL method.
  • 純度

    >95% as determined by SDS-PAGE.

    >90% as determined by SEC-MALS.

  • 成分

    Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, pH7.5. Normally trehalose is added as protectant before lyophilization.

    Contact us for customized product form or formulation.

  • 再構成

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • 保存

    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.
SDS-PAGE
Biotinylated Human CD4, Fc,Avitag (Cat. No. CD4-H82F3) SDS-PAGE gel

Biotinylated Human CD4, Fc,Avitag on SDS-PAGE under reducing (R) and non-reducing (NR) conditions. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

SEC-MALS
Biotinylated Human CD4, Fc,Avitag (Cat. No. ) MALS images

The purity of Biotinylated Human CD4, Fc,Avitag (Cat. No. CD4-H82F3) is more than 90% and the molecular weight of this protein is around 170-200 kDa verified by SEC-MALS.

Bioactivity-ELISA
Biotinylated Human CD4, Fc,AvitagBiotinylated Human CD4, Fc,Avitag (Cat. No. CD4-H82F3) ELISA bioactivity

Immobilized Ibalizumab at 1 μg/mL (100 μL/well) can bind Biotinylated Human CD4, Fc,Avitag (Cat. No. CD4-H82F3) with a linear range of 0.2-6 ng/mL (QC tested).

Biotinylated Human CD4, Fc,AvitagBiotinylated Human CD4, Fc,Avitag (Cat. No. CD4-H82F3) ELISA bioactivity

Immobilized HIV-1 [HIV-1/Clade C (16055)] GP120, His Tag (Cat. No. GP5-V15224) at 5 μg/mL (100 μL/well) can bind Biotinylated Human CD4, Fc,Avitag (Cat. No. CD4-H82F3)) with a linear range of 0.5-8 ng/mL (Routinely tested).

Bioactivity-FACS
FACS assay shows that recombinant Biotinylated FACS

2e5 of anti-CD4 CAR-293 cells were stained with 100 μL of 1 μg/mL of Biotinylated Human CD4, Fc,Avitag (Cat. No. CD4-H82F3) and negative control protein respectively, washed and then followed by PE-SA and analyzed with FACS (Routinely tested).

  • バックグラウンド
    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.
  • Clinical and Translational Updates
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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