Generation of class II antigen polymorphism.
D000595:Amino Acid Sequence; D000818:Animals; D001483:Base Sequence; D005785:Gene Conversion; D006682:HLA-DP Antigens; D006683:HLA-DQ Antigens; D006684:HLA-DR Antigens; D006649:Histocompatibility Antigens / Q000145:classification / Q000235:genetics*; D000949:Histocompatibility Antigens Class II / Q000235:genetics; D006801:Humans; D051379:Mice; D009154:Mutation; D011110:Polymorphism, Genetic; D012641:Selection, Genetic
D006682:HLA-DP Antigens; D006683:HLA-DQ Antigens; D006684:HLA-DR Antigens; D006649:Histocompatibility Antigens; D000949:Histocompatibility Antigens Class II; C024138:I-E-antigen