title: Somatic mutation alters affinity and specificity.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D000918:Antibody Specificity; D002308:Cardiolipins / Q000378:metabolism; D002460:Cell Line; D004247:DNA / Q000378:metabolism; D006801:Humans; D007135:Immunoglobulin Variable Region / Q000235:genetics* / Q000276:immunology; D009154:Mutation; D010767:Phosphorylcholine / Q000378:metabolism; D011479:Protamines / Q000378:metabolism
chemical_list: D002308:Cardiolipins; D007135:Immunoglobulin Variable Region; D011479:Protamines; D010767:Phosphorylcholine; D004247:DNA