HLA-DQB1, HLA-DQB, HLA class II histocompatibility antigen, DQ beta 1 chain, MHC class II antigen DQB1, HLA-DQB2, HLA-DXB, HLA class II histocompatibility antigen, DQ beta 2 chain, HLA class II histocompatibility antigen, DX beta chain, MHC class II antigen DQB2