title: Tunicate Thy-1--an invertebrate member of the Ig superfamily.
mesh_terms: D000818:Animals; D000954:Antigens, Surface / Q000235:genetics*; D005075:Biological Evolution; D006023:Glycoproteins / Q000235:genetics / Q000276:immunology; D007127:Immunoglobulin Constant Regions / Q000235:genetics; D007135:Immunoglobulin Variable Region / Q000235:genetics; D007136:Immunoglobulins / Q000235:genetics*; D005810:Multigene Family; D011948:Receptors, Antigen, T-Cell / Q000235:genetics; D018800:Thy-1 Antigens; D014561:Urochordata / Q000235:genetics / Q000276:immunology*
chemical_list: D000954:Antigens, Surface; D006023:Glycoproteins; D007127:Immunoglobulin Constant Regions; D007135:Immunoglobulin Variable Region; D007136:Immunoglobulins; D011948:Receptors, Antigen, T-Cell; D018800:Thy-1 Antigens