Immunoglobulin class switching.
D000818:Animals; D001402:B-Lymphocytes / Q000276:immunology; D001483:Base Sequence; D002460:Cell Line; D004274:DNA, Recombinant / Q000032:analysis; D005796:Genes; D006801:Humans; D007127:Immunoglobulin Constant Regions / Q000235:genetics; D007135:Immunoglobulin Variable Region / Q000235:genetics; D007136:Immunoglobulins / Q000235:genetics*; D012333:RNA, Messenger / Q000235:genetics; D013601:T-Lymphocytes / Q000276:immunology
D004274:DNA, Recombinant; D007127:Immunoglobulin Constant Regions; D007135:Immunoglobulin Variable Region; D007136:Immunoglobulins; D012333:RNA, Messenger