Recombinant Human KRAS G12V (HLA-A*03:01) Complex Tetramer Protein is expressed from Expi293 with His tag and Avi tag at the C-terminal, tetramer is assembled by biotinylated monomer and streptavidin.,It contains Gly25-Thr305(HLA-A*03:01),Ile21-Met119(B2