title: Competent antigen-binding fragments (Fab) from secretory immunoglobulin A using Streptococcus sanguis immunoglobulin A protease.
mesh_terms: D000937:Antigen-Antibody Reactions; D000942:Antigens, Bacterial / Q000276:immunology; D004797:Enzyme-Linked Immunosorbent Assay; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007071:Immunoglobulin A, Secretory / Q000378:metabolism*; D007140:Immunoglobulin Fab Fragments / Q000276:immunology*; D010447:Peptide Hydrolases / Q000378:metabolism*; D012463:Saliva / Q000276:immunology; D012697:Serine Endopeptidases; D013295:Streptococcus mutans / Q000166:cytology / Q000276:immunology; D013298:Streptococcus sanguis / Q000201:enzymology*
chemical_list: D000942:Antigens, Bacterial; D007071:Immunoglobulin A, Secretory; D007140:Immunoglobulin Fab Fragments; D010447:Peptide Hydrolases; D012697:Serine Endopeptidases; C021433:IgA-specific serine endopeptidase