29XZ
Cryo-EM structure of Rhodobacter capsulatus cytochrome bc1 dimer at 2.16 A resolution with water molecules and quinone in the quinone reduction site
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, D (A, D) | Ubiquinol-cytochrome c reductase iron-sulfur subunit | polymer | 190 | 20333.9 | 2 | UniProt (D5ANZ2) | Rhodobacter capsulatus SB 1003 | Rieske iron-sulfur protein,RISP |
| 2 | B, E (B, E) | Cytochrome b | polymer | 444 | 50297.4 | 2 | UniProt (D5ANZ3) | Rhodobacter capsulatus SB 1003 | |
| 3 | C, F (C, F) | Cytochrome c1 | polymer | 258 | 28321.1 | 2 | UniProt (D5ANZ4) | Rhodobacter capsulatus SB 1003 | |
| 4 | G, P (A, D) | FE2/S2 (INORGANIC) CLUSTER | non-polymer | 175.8 | 2 | Chemie (FES) | |||
| 5 | H, L, M, N, Q... (A, B, D, E) | UNDECYL-MALTOSIDE | non-polymer | 496.6 | 8 | Chemie (UMQ) PubChem (447793) | |||
| 6 | I, J, R, S (B, E) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 7 | K, T (B, E) | UBIQUINONE-1 | non-polymer | 250.3 | 2 | Chemie (UQ1) PubChem (4462) | |||
| 8 | O, X (C, F) | HEME C | non-polymer | 620.5 | 2 | Chemie (HEC) | |||
| 9 | AA, BA, CA, DA, Y... (C, D, E, F, A...) | water | water | 18.0 | 177 | Chemie (HOH) |
Sequence modifications
B, E: 2 - 437 (UniProt: D5ANZ3)
| PDB | External Database | Details |
|---|---|---|
| Trp 438 | - | expression tag |
| Ser 439 | - | expression tag |
| His 440 | - | expression tag |
| Pro 441 | - | expression tag |
| Gln 442 | - | expression tag |
| Phe 443 | - | expression tag |
| Glu 444 | - | expression tag |
| Lys 445 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 197904.9 | |
| Non-Polymers* | Number of molecules | 18 |
| Total formula weight | 8531.9 | |
| All* | Total formula weight | 206436.8 |
