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Product Details
Synonyms
CD4, CD4mut, LEU3
Source
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
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
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. The protein migrates as 90-100 kDa under reducing (R) condition, and > 180 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under non-reducing (NR) condition (SDS-PAGE) due to glycosylation.
Labeling
Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
Protein Ratio
Passed as determined by the HABA assay / binding ELISA.
Endotoxin
Less than 0.2 EU per μg by the LAL method / rFC method.
Purity
>95% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
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.
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.
Shipping and Storage
This product is shipped at ambient temperature.
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:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
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Performance Data
SDS-PAGE
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% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Biotinylated Human CD4, Fc,Avitag (Cat. No. CD4-H82F3) is more than 95% and the molecular weight of this protein is around 170-200 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
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).
Protocol
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).
Protocol
Bioactivity-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).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
T-cell surface antigen CD4
- Category：
- Approved Drugs：
1 Details
- Drugs in Clinical Trials：
25 Details
- Highest Development Stage：
Approved
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