Recombinant Human KRAS WT(HLA-A*03:01) 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(B2M) and VVV