title: Unusual distributions of amino acids in complementarity-determining (hypervariable) segments of heavy and light chains of immunoglobulins and their possible roles in specificity of antibody-combining sites.
mesh_terms: D000595:Amino Acid Sequence; D000596:Amino Acids / Q000032:analysis*; D000918:Antibody Specificity; D001666:Binding Sites, Antibody; D007143:Immunoglobulin Heavy Chains / Q000032:analysis*; D007147:Immunoglobulin Light Chains / Q000032:analysis*; D007135:Immunoglobulin Variable Region; D014961:X-Ray Diffraction
chemical_list: D000596:Amino Acids; D007143:Immunoglobulin Heavy Chains; D007147:Immunoglobulin Light Chains; D007135:Immunoglobulin Variable Region