title: Secretory component is convalently bound to a single sub-unit in human secretory IgA.
mesh_terms: D000595:Amino Acid Sequence; D004591:Electrophoresis, Polyacrylamide Gel; D006801:Humans; D007070:Immunoglobulin A; D007071:Immunoglobulin A, Secretory; D007141:Immunoglobulin Fc Fragments; D007128:Immunoglobulin Fragments; D008970:Molecular Weight; D011485:Protein Binding; D012635:Secretory Component
chemical_list: D007070:Immunoglobulin A; D007071:Immunoglobulin A, Secretory; D007141:Immunoglobulin Fc Fragments; D007128:Immunoglobulin Fragments; D012635:Secretory Component