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Your Position: Home > Agonist > OX40 Ligand > OXL-H82Q5

Biotinylated Human OX40 Ligand / TNFSF4 Protein, His,Avitag™ (active trimer) (MALS verified)

Recommended Hot Products: SP-11 Streptavidin Coated Plates, Clear, 96-Well  STN-N5116 Recombinant Streptavidin  SMB-B01 Magnetic Beads™ Streptavidin 
Based on the high binding affinity between biotin-streptavidin systems, our Streptavidin series products are recommended to use together with biotinylated proteins to get lower non-specific binding results in a shorter time.
  • Synonym
    OX40L,TNFSF4,CD252,Glycoprotein Gp34,TXGP1,CD134 ligand,CD134L
  • Source
    Biotinylated Human OX40 Ligand, His,Avitag (OXL-H82Q5) is expressed from human 293 cells (HEK293). It contains AA Gln 51 - Leu 183 (Accession # P23510-1).
    Predicted N-terminus: His
  • Molecular Characterization

    This protein carries a polyhistidine tag at the N-terminus, followed by an Avi tag (Avitag™).

    The protein has a calculated MW of 51.1 kDa. The protein migrates as 65-80 kDa under non-reducing (NR) condition (SDS-PAGE) due to glycosylation.

  • Biotinylation
    Biotinylation 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.
  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >90% as determined by SDS-PAGE.

    >90% as determined by SEC-MALS.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

    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:

    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 OX40 Ligand, His,Avitag (Cat. No. OXL-H82Q5) SDS-PAGE gel

Biotinylated Human OX40 Ligand, His,Avitag on SDS-PAGE under non-reducing (NR) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.

SEC-MALS
Biotinylated Human OX40 Ligand, His,Avitag (Cat. No. ) MALS images

The purity of Biotinylated Human OX40 Ligand, His,Avitag (Cat. No. OXL-H82Q5) is more than 90% and the molecular weight of this protein is around 57-78 kDa verified by SEC-MALS.

Bioactivity-ELISA
Biotinylated Human OX40 Ligand, His,AvitagBiotinylated Human OX40 Ligand, His,Avitag (Cat. No. OXL-H82Q5) ELISA bioactivity

Immobilized Human OX40, Fc Tag (Cat. No. OX0-H5255) at 1 μg/mL (100 μL/well) can bind Biotinylated Human OX40 Ligand, His,Avitag (Cat. No. OXL-H82Q5) with a linear range of 0.5-8 ng/mL (QC tested).

  • Background
    Tumor necrosis factor ligand superfamily member 4 (TNFSF4) is also known as glycoprotein Gp34, OX40 ligand (OX40L), TAX transcriptionally-activated glycoprotein 1 and CD252, which belongs to the tumor necrosis factor family. TNFSF4 is the ligand for CD134 and is expressed on such cells as DC2s (a subtype of dendritic cells) enabling amplification of Th2 cell differentiation. The interaction of TNFSF4-TNFSF4 is involved in the pathogenesis of multiple autoimmune and inflammatory diseases such as systemic lupus erythematosus (SLE), carotid artery disease and cancer. Furthermore, similar to other TNF superfamily members, membrane-bound OX40 Ligand (TNFSF4) exists as a homotrimer. Human TNFSF4 shares 46% amino acid sequence identity with its mouse counterpart.
  • Clinical and Translational Updates
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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