title: Structural studies of human J chain.
mesh_terms: D000478:Alkylation; D000595:Amino Acid Sequence; D001216:Asparagine / Q000032:analysis; D001322:Autoanalysis; D002247:Carbon Isotopes; D006801:Humans; D007070:Immunoglobulin A / Q000032:analysis; D007128:Immunoglobulin Fragments / Q000032:analysis*; D007075:Immunoglobulin M / Q000032:analysis; D007461:Iodoacetates / Q000378:metabolism; D008259:Macroglobulins / Q000032:analysis; D009101:Multiple Myeloma / Q000276:immunology; D009194:Myeloma Proteins / Q000032:analysis; D010084:Oxidation-Reduction; D010443:Peptide Chain Termination, Translational; D011108:Polymers; D008258:Waldenstrom Macroglobulinemia / Q000276:immunology
chemical_list: D002247:Carbon Isotopes; D007070:Immunoglobulin A; D007128:Immunoglobulin Fragments; D007075:Immunoglobulin M; D007461:Iodoacetates; D008259:Macroglobulins; D009194:Myeloma Proteins; D011108:Polymers; D001216:Asparagine