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Product Details
Synonym
TNFRSF4, OX40, CD134, OX40L receptor, ACT35, TXGP1L
Source
Biotinylated Human OX40, Avitag,His Tag (TN4-H82E4) is expressed from human 293 cells (HEK293). It contains AA Leu 29 - Ala 216 (Accession # NP_003318.1).
Predicted N-terminus: Leu 29
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries an Avi tag (Avitag™) at the C-terminus, followed by a polyhistidine tag.
The protein has a calculated MW of 22.8 kDa. The protein migrates as 35-45 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) 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.
Purity
>95% as determined by SDS-PAGE.
>95% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 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.
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:
- -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 OX40, Avitag,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% (With Star Ribbon Pre-stained Protein Marker).
SEC-MALS
The purity of Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) is more than 95% and the molecular weight of this protein is around 35-50 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
Immobilized Anti-OX40 MAb, Human IgG1 at 2 μg/mL (100 μL/well) can bind Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) with a linear range of 1-5 ng/mL (QC tested).
Protocol
Immobilized Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) at 1 μg/mL (100 μL/well) on Streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate, can bind Human OX40 Ligand, Fc Tag with a linear range of 0.2-10 ng/mL (Routinely tested).
Protocol
Immobilized Human CTLA-4, His Tag, active dimer (Cat. No.CT4-H52H9) at 2 μg/mL, add increasing concentrations of CTLA-4 x OX40 Bispecific Antibody in 50% Human serum and then add Biotinylated Human OX40, Avitag,His Tag(Cat. No. TN4-H82E4) at 1 μg/mL. Detection was performed using HRP-conjugated streptavidin with sensitivity of 4 ng/mL (Intact assay, Routinely tested).
Protocol
Immobilized Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) at 1 μg/mL (100 μL/well) on streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate can bind Anti-OX40 Antibody, Human IgG2 with a linear range of 0.1-4 ng/mL (Routinely tested).
Protocol
Bioactivity-BLI
Loaded Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) on SA Biosensor, can bind Anti-OX40 MAb (Human IgG1) with an affinity constant of 0.115 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
Loaded Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) on SA Biosensor, can bind Human OX40 Ligand, His Tag (active trimer) (MALS verified) (Cat. No. OXL-H52Q8) with an affinity constant of 0.127 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
Tumor necrosis factor receptor superfamily member 4
- Category：
- Approved Drugs：
0 Details
- Drugs in Clinical Trials：
29 Details
- Highest Development Stage：
Phase 3 Clinical
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