2AFH
Crystal Structure of Nucleotide-Free Av2-Av1 Complex
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) | Nitrogenase molybdenum-iron protein | polymer | 491 | 55231.8 | 2 | UniProt (P07328) Pfam (PF00148) | Azotobacter vinelandii | Nitrogenase component I, Dinitrogenase |
| 2 | B, D (B, D) | Nitrogenase molybdenum-iron protein | polymer | 522 | 59404.7 | 2 | UniProt (P07329) Pfam (PF11844) Pfam (PF00148) | Azotobacter vinelandii | Nitrogenase component I, Dinitrogenase |
| 3 | E, F (E, F) | Nitrogenase iron protein 1 | polymer | 289 | 31417.0 | 2 | UniProt (P00459) Pfam (PF00142) | Azotobacter vinelandii | Nitrogenase component II, Nitrogenase Fe protein 1, Nitrogenase reductase |
| 4 | G, S (A, C) | 3-HYDROXY-3-CARBOXY-ADIPIC ACID | non-polymer | 206.2 | 2 | Chemie (HCA) | |||
| 5 | H, T (A, C) | FE(7)-MO-S(9)-N CLUSTER | non-polymer | 789.4 | 2 | Chemie (CFN) | |||
| 6 | AA, BA, DA, I, J... (D, A, B, C) | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 8 | Chemie (PGE) | |||
| 7 | K, Z (B, D) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 8 | L (B) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 9 | M, U (B, C) | FE(8)-S(7) CLUSTER | non-polymer | 671.2 | 2 | Chemie (CLF) | |||
| 10 | N, V (B, C) | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 2 | Chemie (TRS) | |||
| 11 | HA, P (E, B) | TETRAETHYLENE GLYCOL | non-polymer | 194.2 | 2 | Chemie (PG4) | |||
| 12 | Q, X (B, C) | PENTAETHYLENE GLYCOL | non-polymer | 238.3 | 2 | Chemie (1PE) | |||
| 13 | EA, FA, R (D, B) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 3 | Chemie (PEG) | |||
| 14 | CA (D) | HEXAETHYLENE GLYCOL | non-polymer | 282.3 | 1 | Chemie (P6G) | |||
| 15 | GA (E) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 1 | Chemie (SF4) | |||
| 16 | IA, JA, KA, LA, MA... (A, B, C, D, E...) | water | water | 18.0 | 2071 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 292107.2 | |
| Non-Polymers* | Number of molecules | 28 |
| Total formula weight | 6699.8 | |
| All* | Total formula weight | 298806.9 |
