1FQK
CRYSTAL STRUCTURE OF THE HETERODIMERIC COMPLEX OF THE RGS DOMAIN OF RGS9, AND THE GT/I1 CHIMERA ALPHA SUBUNIT [(RGS9)-(GT/I1ALPHA)-(GDP)-(ALF4-)-(MG2+)]
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, C) | Guanine nucleotide-binding protein G(t) subunit alpha-1,Guanine nucleotide-binding protein G(i) subunit alpha-1,Guanine nucleotide-binding protein G(t) subunit alpha-1 | polymer | 325 | 37361.7 | 2 | UniProt (P04695) UniProt (P10824) Pfam (PF00503) | Bos taurus (Bovine) | Transducin alpha-1 chain,Adenylate cyclase-inhibiting G alpha protein,Transducin alpha-1 chain |
| 2 | B, D (B, D) | Regulator of G-protein signaling 9 | polymer | 147 | 17419.2 | 2 | UniProt (O46469) Pfam (PF00615) | Bos taurus (Bovine) | RGS9 |
| 3 | E, H (A, C) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) PubChem (888) | |||
| 4 | F, I (A, C) | TETRAFLUOROALUMINATE ION | non-polymer | 103.0 | 2 | Chemie (ALF) PubChem (5311325) | |||
| 5 | G, J (A, C) | GUANOSINE-5'-DIPHOSPHATE | non-polymer | 443.2 | 2 | Chemie (GDP) PubChem (136073927) PubChem (135398619) PubChem (135402030) PubChem (135431654) PubChem (135566337) PubChem (135760556) PubChem (136026707) PubChem (136053418) PubChem (136663964) PubChem (136664748) PubChem (136759848) PubChem (136759849) PubChem (136759850) PubChem (136836636) PubChem (136847074) PubChem (172898537) | |||
| 6 | K, L, M, N (A, B, C, D) | water | water | 18.0 | 116 | Chemie (HOH) |
Sequence modifications
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 109561.7 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 1141.0 | |
| All* | Total formula weight | 110702.6 |






