Product Description |
Recombinant Human HLA-A*02:01&B2M&CMVpp65 (NLVPMVATV) Tetramer Protein is expressed from E.coli with His tag and Avi tag at the C-Terminus, tetramer is assembled by biotinylated monomer and streptavidin.It contains Gly25-Thr305 (HLA-A*02:01), Ile21-Met119 (B2M) and NLVPMVATV peptide. |
Product Background |
Human cytomegalovirus (CMV), a β-herpes virus with a double-stranded DNA, infects a wide variety of cells and establishes latency in the host. CMVpp65, a tegument protein of the herpes virus CMV, is the main viral antigen found in peripheral blood mononuclear cells (PBMCs) after viral infection and may activate cell-mediated immunity, accounting for 70-90% of the cytotoxic CD8+ T cells' (CTLs) response to CMV. Among the pp65-derived CTL epitope peptides, the 9-mer peptide 495NLVPMVATV503 (CMVpp65 495-503 peptide) is the most immunogenic T cell epitope predominantly displayed on HLA-A*02:01, the most common MHC-I allele in the population. |
Product Category |
Recombinant Protein |
Target |
HLA-A*02:01&B2M&CMVpp65 (NLVPMVATV) Tetramer |
MHC Form |
Tetramer |
Allele |
HLA-A*02:01 |
Accession |
|
Species |
Human |
Biotinylated |
no |
Amino Acid Range |
Gly25-Thr305(HLA-A*02:01), Ile21-Met119(B2M) and NLVPMVATV peptide |
Molecular Weight |
The protein has a predicted MW of 258 kDa. The protein migrates to 120-180 kDa (HLA-A*02:01&streptavidin tetramer) and 11.9 kDa (B2M) based on Bis-Tris PAGE result under Non reducing (N) condition. |
Product Tag |
C-His-Avi |
Express System |
E.coli |
Purity |
> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC |
Endotoxin |
Less than 1EU per ug by the LAL method. |
Form |
Liquid |
Shipping |
Shipped with dry ice. |
Formulation |
Supplied as 0.22 um filtered solution in PBS (pH 7.4). |
Stability And Storage |
Valid for 12 months from date of receipt when stored at -80°C.； Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles. |
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|
Human HLA-A*02:01&B2M&CMVpp65 (NLVPMVATV) Tetramer on Bis-Tris PAGE under Non reducing (N) condition. The purity is greater than 95%. |
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The purity of Human HLA-A*02:01&B2M&CMVpp65 (NLVPMVATV) Tetramer is greater than 95% as determined by SEC-HPLC. |
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