Recombinant Human NY-ESO-1(HLA-A*02:01) 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*02:01),Ile21-Met119(B2M) and SLLM