title: Reaction of the oligomeric forms of MOPC 167 IgA with antigen and a circular dichroism study of the binding of pneumococcal C substance by monomer IgA.
mesh_terms: D000818:Animals; D000937:Antigen-Antibody Reactions; D000942:Antigens, Bacterial / Q000276:immunology; D002942:Circular Dichroism; D007070:Immunoglobulin A / Q000276:immunology*; D046911:Macromolecular Substances; D051379:Mice; D009194:Myeloma Proteins / Q000276:immunology*; D010767:Phosphorylcholine / Q000276:immunology; D011487:Protein Conformation; D013296:Streptococcus pneumoniae / Q000276:immunology
chemical_list: D000942:Antigens, Bacterial; D007070:Immunoglobulin A; D046911:Macromolecular Substances; D009194:Myeloma Proteins; D010767:Phosphorylcholine