title: [Comparative study of cysteine peptides of monomers and polymers of IgA].
abstract: The cysteinyl peptides of monomeric and polymeric IgA were studied by comparative autoradiography. Autoradiographies of polymeric IgA (containing or lacking J chain) showed an extra cysteinyl peptide which was never found in the monomeric forms. A similar peptide was obtained when reduced IgA was cleaved by BrCN. The possible identity of this fragment is discussed.
mesh_terms: D003545:Cysteine; D006801:Humans; D007070:Immunoglobulin A; D007128:Immunoglobulin Fragments; D046911:Macromolecular Substances; D010446:Peptide Fragments / Q000032:analysis
chemical_list: D007070:Immunoglobulin A; D007128:Immunoglobulin Fragments; D046911:Macromolecular Substances; D010446:Peptide Fragments; D003545:Cysteine
vernacular_title: Etude comparée des peptides à cystéine des monomères et polymères d'IgA.