Recombinant Human KRAS G12D(HLA-A*11:01) 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*11:01),Ile21-Met119(B2M) and V