title: Three-state and two-state models.
authors.forename: P G
authors.initials: PG
authors.lastname: Strange
mesh_terms: D000818:Animals; D019204:GTP-Binding Proteins / Q000737:chemistry / Q000502:physiology*; D006801:Humans; D008954:Models, Biological; D011487:Protein Conformation; D011956:Receptors, Cell Surface / Q000737:chemistry / Q000502:physiology*
chemical_list: D011956:Receptors, Cell Surface; D019204:GTP-Binding Proteins