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Biotinylated Human HLA-A*02:01&B2M&PRAME (SLLQHLIGL) Complex Protein (Monomer, MALS verified)

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HLE-H82E8-25ug
$125.00
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HLE-H82E8-200ug
$700.00
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HLE-H82E8
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Product Details
Performance Data
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  • Product Details
  • Performance Data
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Synonyms

HLA-A*0201 & B2M & PRAME (SLLQHLIGL)

Source

Biotinylated Human HLA-A*02:01&B2M&PRAME (SLLQHLIGL) Complex Protein (HLE-H82E8) is expressed from human 293 cells (HEK293). It contains AA Ile 21 - Met 119 (B2M) & Gly 25 - Ile 308 (HLA-A*02:01) & SLLQHLIGL peptide (Accession # P61769 (B2M) & AAA59606.1 (HLA-A*02:01) & SLLQHLIGL).

Molecular Characterization

Biotinylated Human HLA-A*02:01&B2M&PRAME (SLLQHLIGL) Complex Protein is produced by co-expression of HLA and B2M loaded with PRAME peptide.

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

The protein has a calculated MW of 51.3 kDa. The protein migrates as 58-61 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.

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.

Shipping and Storage

This product is shipped at ambient temperature.

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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Background

This gene encodes an antigen that is preferentially expressed in human melanomas and that is recognized by cytolytic T lymphocytes. It is not expressed in normal tissues, except testis. The encoded protein acts as a repressor of retinoic acid receptor, and likely confers a growth advantage to cancer cells via this function. Alternative splicing results in multiple transcript variants. The PRAME (SLLQHLIGL) was shown to be recognized by HLA-A*0201 tumor-infiltrating lymphocytes from melanoma patients, and therefore it is widely been studied in TCR-T studies. The Human HLA-A*0201 PRAME (SLLQHLIGL) complex protein is a complex of HLA-A*0201 of the MHC Class I, B2M and PRAME (SLLQHLIGL) peptide.