title: Preliminary structural model of the G-protein alpha-chain.
mesh_terms: D001665:Binding Sites; D019204:GTP-Binding Proteins / Q000378:metabolism; D006153:Guanosine Diphosphate / Q000378:metabolism; D046911:Macromolecular Substances; D008961:Models, Structural; D011487:Protein Conformation
chemical_list: D046911:Macromolecular Substances; D006153:Guanosine Diphosphate; D019204:GTP-Binding Proteins