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Your Position: Accueil > Protein > HLA-A*0201 | B2M | NY-ESO-1 > HL1-HP2E5

PE-Labeled Human HLA-A*02:01&B2M&NY-ESO-1 (SLLMWITQC) Tetramer Protein

Streptavidin Protein - PE (STN-NP117, STN-NP119), supporting the assembly of your own MHC Tetramers!

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  • Source
    PE-Labeled Human HLA-A*02:01&B2M&NY-ESO-1 (SLLMWITQC) Tetramer Protein(HL1-HP2E5) is expressed from human 293 cells (HEK293). It contains AA Gly 25 - Ile 308 (HLA-A*02:01) & Ile 21 - Met 119 (B2M) & SLLMWITQC peptide (Accession # AAA59606.1 (HLA-A*02:01) & P61769-1 (B2M) & SLLMWITQC).
    Predicted N-terminus: Gly 25 & Ser
  • Molecular Characterization

    PE-Labeled Human HLA-A*02:01&B2M&NY-ESO-1 (SLLMWITQC) Tetramer Protein is assembled by biotinylated monomer (HL1-H82E6) and PE-labeled streptavidin.

    Biotinylated Human HLA-A*02:01&B2M&NY-ESO-1 (SLLMWITQC) Complex Protein is produced by co-expression of HLA and B2M loaded with NY-ESO-1 peptide. Biotinylated Human HLA-A*02:01&B2M&NY-ESO-1 (SLLMWITQC) Complex Protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™).

  • Conjugate

    PE

    Excitation Wavelength: 488 nm / 561 nm

    Emission Wavelength: 575 nm

  • Formulation

    Lyophilized from 0.22 μm filtered solution in 0.2% BSA 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 protect from light and 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.
Bioactivity-ELISA
 HLA-A*0201 | B2M | NY-ESO-1 ELISA

Immobilized PE-Labeled Human HLA-A*02:01&B2M&NY-ESO-1 (SLLMWITQC) Tetramer Protein (Cat. No. HL1-HP2E5) at 1 μg/mL (100 μL/well) can bind Anti-B2M Antibody, Human IgG1 with a linear range of 0.1-2 ng/mL (Routinely tested).

Bioactivity-FACS
 HLA-A*0201 | B2M | NY-ESO-1 FACS

5e5 of NY-ESO-1 specific TCR-HEK293 cell line were stained with 100 μL of 1:25 dilution (4 μL stock solution in 100 μL FACS buffer) of PE-Labeled Human HLA-A*02:01&B2M&NY-ESO-1 (SLLMWITQC) Tetramer Protein (Cat. No. HL1-HP2E5) and negative control protein respectively. PE signal was used to evaluate the binding activity (QC tested).

  • Background
    NY-ESO-1, which is also well-known as New York esophageal squamous cell carcinoma 1, is an efficient target for cancer immunotherapy. This antigen is a member of cancer-testis antigens (CTAs) and is highly expressed in various cancers, including melanoma, ovarian, cervical cancer, etc. Adoptive T cell therapy with HLA-A2 restricted NY-ESO-1 transduced CD8+ T cells has improved the clinical response rates and overall survival of treatment-refractory melanoma patients. The Human HLA-A*0201 NY-ESO-1 (SLLMWITQV) complex protein is a complex of HLA-A*0201 of the MHC Class I, B2M and SLLMWITQV peptide of the NY-ESO-1.
  • Clinical and Translational Updates

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Price(EUR) : €610.00

Price(EUR) : €3640.00

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