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Human BTLA (31-150) Protein, Mouse IgG2a Fc Tag (MALS verified)

  • Synonym
    BTLA,CD272
  • Source
    Human BTLA (31-150), Mouse IgG2a Fc Tag(BTA-H5258) is expressed from human 293 cells (HEK293). It contains AA Lys 31 - Ser 150 (Accession # AAP44003.1).
    Predicted N-terminus: Lys 31
  • Molecular Characterization
    BTLA Structure

    This protein carries a mouse IgG2a Fc tag at the C-terminus

    The protein has a calculated MW of 40.6 kDa. The protein migrates as 50-60 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 0.1 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

    >95% as determined by SEC-MALS.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in 50 mM Tris, 100 mM Glycine, 25 mM Arginine, 150 mM 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.

  • 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
BTLA SDS-PAGE

Human BTLA (31-150), Mouse IgG2a Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

SEC-MALS
BTLA MALS images

The purity of Human BTLA (31-150), Mouse IgG2a Fc Tag (Cat. No. BTA-H5258) is more than 95% and the molecular weight of this protein is around 83-112 kDa verified by SEC-MALS.

Bioactivity-ELISA
 BTLA ELISA

Immobilized Human HVEM, His Tag (Cat. No. HVM-H52E9) at 5 μg/mL (100 μL/well) can bind Human BTLA (31-150), Mouse IgG2a Fc Tag (Cat. No. BTA-H5258) with a linear range of 10-156 ng/mL (QC tested).

  • Background
    B- and T-lymphocyte attenuator (BTLA) is also known as B- and T-lymphocyte-associated protein, CD antigen CD272. BTLA contains one Ig-like V-type (immunoglobulin-like) domain. As a lymphocyte inhibitory receptor, BTLA / CD272 inhibits lymphocytes during immune response. BTLA / CD272 can interact with tyrosine phosphatases PTPN6/SHP-1 and PTPN11/SHP-2, and interact with TNFRSF14/HVEM.
  • Clinical and Translational Updates

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