3U7Q
A. vinelandii nitrogenase MoFe protein at atomic resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C | Nitrogenase molybdenum-iron protein alpha chain | polymer | 492 | 55363.0 | 2 | UniProt (P07328) Pfam (PF00148) In PDB | Azotobacter vinelandii | Nitrogenase MoFe protein alpha subunit NifD, Dinitrogenase, Nitrogenase component I |
| 2 | B, D | Nitrogenase molybdenum-iron protein beta chain | polymer | 523 | 59535.9 | 2 | UniProt (P07329) Pfam (PF11844) Pfam (PF00148) In PDB | Azotobacter vinelandii | Nitrogenase MoFe protein beta subunit NifK, Dinitrogenase, Nitrogenase component I |
| 3 | A, C | 3-HYDROXY-3-CARBOXY-ADIPIC ACID | non-polymer | 206.2 | 2 | Chemie (HCA) | |||
| 4 | A, C | iron-sulfur-molybdenum cluster with interstitial carbon | non-polymer | 787.5 | 2 | Chemie (ICS) | |||
| 5 | A, B, C, D | IMIDAZOLE | non-polymer | 69.1 | 8 | Chemie (IMD) | |||
| 6 | B | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 7 | B, D | FE(8)-S(7) CLUSTER, OXIDIZED | non-polymer | 671.2 | 2 | Chemie (1CL) | |||
| 8 | B, D | FE(8)-S(7) CLUSTER | non-polymer | 671.2 | 2 | Chemie (CLF) | |||
| 9 | B, D | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 10 | water | water | 18.0 | 2602 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 229797.8 | |
| Non-Polymers* | Number of molecules | 20 |
| Total formula weight | 5353.5 | |
| All* | Total formula weight | 235151.4 |
