>tr|B8YAC7|B8YAC7_HUMAN MHC class II antigen (Fragment) OS=Homo sapiens OX=9606 GN=HLA-DRB3 PE=1 SV=1 RFLELLKSECHFFNGTERVRFLERYFHNQEEFVRFDSDVGEYRAVTELGRPVAESWNSQK DLLEQKRGQVDNYCRHNYGVVESFTVQRRVHPQVTVYPAKTQPLQHHNLLVCSVSGFYPG SIEVRWFRNGQEEKTGVVSTGLIHNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLT VEW