Recombinant PE-Labeled Human HLA-A*02:03&B2M&AFP (FMNKFIYEI) Tetramer Protein is expressed from HEK293 with His tag and Avi tag at the C-Terminus. PE-Labeled Human HLA-A*02:03&B2M&AFP (FMNKFIYEI) Tetramer is assembled by biotinylated monomer and PE-labeled streptavidin.It contains Gly25-Thr305(HLA-A*02:03), Ile21-Met119(B2M) and FMNKFIYEI peptide.