Entity
| Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| A, B, C, D | Guanine nucleotide-binding protein G(k) subunit alpha | polymer | 330 | 37903.0 | 4 | UniProt (P08754) | Homo sapiens (human)@PDBj | G(i) alpha-3 |
| E, F, G, Z | G-protein-signaling modulator 2 | polymer | 25 | 3099.5 | 4 | Mus musculus@PDBj | LGN, Pins homolog | |
| GUANOSINE-5'-DIPHOSPHATE | non-polymer | 443.2 | 4 | |||||
| SULFATE ION | non-polymer | 96.1 | 3 | |||||
| CITRIC ACID | non-polymer | 192.1 | 4 |
