1NEK
Complex II (Succinate Dehydrogenase) From E. Coli with ubiquinone bound
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Succinate dehydrogenase flavoprotein subunit | polymer | 588 | 64502.8 | 1 | UniProt (P0AC41) Pfam (PF00890) Pfam (PF02910) | Escherichia coli | |
| 2 | B (B) | Succinate dehydrogenase iron-sulfur protein | polymer | 238 | 26800.9 | 1 | UniProt (P07014) Pfam (PF13085) Pfam (PF13534) | Escherichia coli | |
| 3 | C (C) | Succinate dehydrogenase cytochrome b-556 subunit | polymer | 129 | 14313.1 | 1 | UniProt (P69054) Pfam (PF01127) | Escherichia coli | |
| 4 | D (D) | Succinate dehydrogenase hydrophobic membrane anchor protein | polymer | 115 | 12874.4 | 1 | UniProt (P0AC44) Pfam (PF01127) | Escherichia coli | |
| 5 | E (A) | OXALOACETATE ION | non-polymer | 131.1 | 1 | Chemie (OAA) | |||
| 6 | F, H (A, B) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 7 | G (A) | FLAVIN-ADENINE DINUCLEOTIDE | non-polymer | 785.5 | 1 | Chemie (FAD) | |||
| 8 | I (B) | FE2/S2 (INORGANIC) CLUSTER | non-polymer | 175.8 | 1 | Chemie (FES) | |||
| 9 | J (B) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 1 | Chemie (SF4) | |||
| 10 | K (B) | FE3-S4 CLUSTER | non-polymer | 295.8 | 1 | Chemie (F3S) | |||
| 11 | L (C) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 1 | Chemie (HEM) | |||
| 12 | M (C) | CARDIOLIPIN | non-polymer | 1151.5 | 1 | Chemie (CDN) | |||
| 13 | N (C) | L-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE | non-polymer | 709.9 | 1 | Chemie (EPH) | |||
| 14 | O (D) | UBIQUINONE-2 | non-polymer | 318.4 | 1 | Chemie (UQ2) | |||
| 15 | P, Q, R, S (A, B, C, D) | water | water | 18.0 | 140 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 118491.2 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 4616.4 | |
| All* | Total formula weight | 123107.6 |
