title: Evolution of the major histocompatibility complex in vertebrates: a saga of convergent gene evolution?
mesh_terms: D000663:Amphibians / Q000276:immunology*; D000818:Animals; D000954:Antigens, Surface / Q000235:genetics; D005075:Biological Evolution; D003165:Complement System Proteins / Q000235:genetics; D006649:Histocompatibility Antigens / Q000235:genetics*; D008214:Lymphocytes / Q000276:immunology; D008285:Major Histocompatibility Complex; D014981:Xenopus / Q000276:immunology
chemical_list: D000954:Antigens, Surface; D006649:Histocompatibility Antigens; D003165:Complement System Proteins