title: Sialic acid residues of the alpha-subunit are required for the thyrotropic activity of HCG.
mesh_terms: D000262:Adenylyl Cyclases / Q000378:metabolism*; D001212:Asialoglycoproteins; D001681:Biological Assay; D002462:Cell Membrane / Q000201:enzymology; D006063:Chorionic Gonadotropin / Q000378:metabolism / Q000494:pharmacology*; D006801:Humans; D007700:Kinetics; D046911:Macromolecular Substances; D011956:Receptors, Cell Surface / Q000378:metabolism; D011974:Receptors, LH; D013961:Thyroid Gland / Q000201:enzymology*
chemical_list: D001212:Asialoglycoproteins; D006063:Chorionic Gonadotropin; D046911:Macromolecular Substances; D011956:Receptors, Cell Surface; D011974:Receptors, LH; C019263:asialo-human chorionic gonadotropin; D000262:Adenylyl Cyclases