Biotinylated Human OX40, Fc,Avitag (OX0-H82F7) is expressed from human 293 cells (HEK293). It contains AA Leu 29 - Ala 216 (Accession # NP_003318).
Predicted N-terminus: Leu 29
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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 48.6 kDa. The protein migrates as 60-66 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.
Passed as determined by the HABA assay / binding ELISA.
Less than 1.0 EU per μg by the LAL method.
>95% as determined by SDS-PAGE.
Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, pH7.5. Normally trehalose is added as protectant before lyophilization.
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Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.
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.
Biotinylated Human OX40, Fc,Avitag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.
Immobilized Human OX40 Ligand, Fc Tag (Cat. No. OXL-H526x) at 5 μg/mL (100 μL/well) can bind Biotinylated Human OX40, Fc,Avitag (Cat. No. OX0-H82F7) with a linear range of 5-78 ng/mL (QC tested).
FACS assay shows that recombinant Biotinylated Human OX40, Fc,Avitag (Cat. No. OX0-H82F7) can bind to 293T cell overexpressing human OX40L. The concentration of OX40 is 0.1 μg/mL (Routinely tested).
Tumor necrosis factor receptor superfamily member 4 (TNFRSF4) is also known as ACT35 antigen, OX40L receptor, TAX transcriptionally-activated glycoprotein 1 receptor, CD antigen CD134, OX40. OX40 / TNFRSF4 contains four TNFR-Cys repeats. TNFRSF4 is receptor for TNFSF4 / OX40L / GP34 and can interacts with TRAF2, TRAF3 and TRAF5.