title: Immunoglobulins and histocompatibility antigens.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D005075:Biological Evolution; D006649:Histocompatibility Antigens / Q000235:genetics*; D006860:Hydrogen Bonding; D007136:Immunoglobulins / Q000235:genetics*; D011487:Protein Conformation
chemical_list: D006649:Histocompatibility Antigens; D007136:Immunoglobulins