title: Major classes of immunoglobulins and their roles.
mesh_terms: D000818:Animals; D006801:Humans; D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007143:Immunoglobulin Heavy Chains; D007147:Immunoglobulin Light Chains; D007075:Immunoglobulin M; D007136:Immunoglobulins; D007231:Infant, Newborn; D051379:Mice
chemical_list: D007070:Immunoglobulin A; D007074:Immunoglobulin G; D007143:Immunoglobulin Heavy Chains; D007147:Immunoglobulin Light Chains; D007075:Immunoglobulin M; D007136:Immunoglobulins