title: IgA subclasses.
mesh_terms: D000595:Amino Acid Sequence; D001402:B-Lymphocytes / Q000276:immunology; D002241:Carbohydrates / Q000032:analysis; D002454:Cell Differentiation; D003240:Connective Tissue Diseases / Q000276:immunology; D006801:Humans; D017098:IgA Deficiency; D007070:Immunoglobulin A / Q000145:classification* / Q000276:immunology; D007126:Immunoglobulin Allotypes / Q000145:classification; D007132:Immunoglobulin Isotypes / Q000145:classification; D007137:Immunoglobulin alpha-Chains / Q000276:immunology / Q000378:metabolism; D007410:Intestinal Diseases / Q000276:immunology; D007674:Kidney Diseases / Q000276:immunology; D008107:Liver Diseases / Q000276:immunology; D010447:Peptide Hydrolases / Q000378:metabolism; D011487:Protein Conformation; D012871:Skin Diseases / Q000276:immunology; D014018:Tissue Distribution
chemical_list: D002241:Carbohydrates; D007070:Immunoglobulin A; D007126:Immunoglobulin Allotypes; D007132:Immunoglobulin Isotypes; D007137:Immunoglobulin alpha-Chains; D010447:Peptide Hydrolases