title: Structural studies of immunoglobulin G, M and A heavy chains.
mesh_terms: D000595:Amino Acid Sequence; D001345:Autoradiography; D003545:Cysteine; D004220:Disulfides / Q000032:analysis; D007120:Immunochemistry; D007070:Immunoglobulin A / Q000032:analysis; D007074:Immunoglobulin G / Q000032:analysis; D007136:Immunoglobulins / Q000032:analysis*; D007461:Iodoacetates; D008961:Models, Structural; D010434:Pepsin A; D010455:Peptides / Q000032:analysis*; D014357:Trypsin
chemical_list: D004220:Disulfides; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007136:Immunoglobulins; D007461:Iodoacetates; D010455:Peptides; D014357:Trypsin; D010434:Pepsin A; D003545:Cysteine