Recombinant PE-Labeled Human HLA-A*11:01&B2M&KRAS WT (VVVGAGGVGK) Tetramer Protein is expressed from E.coli with His tag and Avi tag at the C-Terminus. PE-labeled Human HLA-A*11:01&B2M&KRAS WT (VVVGAGGVGK) Tetramer is assembled by biotinylated monomer and PE-Labeled streptavidin.It contains Gly25-Thr305 (HLA-A*11:01), Ile21-Met119 (B2M) and VVVGAGGVGK peptide.