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 alpha chain | polymer | 477 | 53999.6 | 2 | UniProt (P07328) Pfam (PF00148) | Azotobacter vinelandii | Dinitrogenase,Nitrogenase component I |
| 2 | B, D (B, D) | Nitrogenase molybdenum-iron protein beta chain | polymer | 522 | 59404.7 | 2 | UniProt (P07329) Pfam (PF11844) Pfam (PF00148) | Azotobacter vinelandii | Dinitrogenase,Nitrogenase component I |
| 3 | E, F, G, H (E, F, G, H) | Nitrogenase iron protein 1 | polymer | 272 | 29556.0 | 4 | UniProt (P00459) Pfam (PF00142) | Azotobacter vinelandii | Nitrogenase Fe protein 1,Nitrogenase component II,Nitrogenase reductase |
| 4 | I, M (A, C) | 3-HYDROXY-3-CARBOXY-ADIPIC ACID | non-polymer | 206.2 | 2 | Chemie (HCA) | |||
| 5 | J, N (A, C) | iron-sulfur-molybdenum cluster with interstitial carbon | non-polymer | 787.5 | 2 | Chemie (ICS) | |||
| 6 | K, O (A, C) | FE(8)-S(7) CLUSTER | non-polymer | 671.2 | 2 | Chemie (CLF) | |||
| 7 | L, P (B, D) | FE (II) ION | non-polymer | 55.8 | 2 | Chemie (FE2) | |||
| 8 | Q, T, V, Y (E, F, G, H) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 9 | R, U, X, Z (E, F, G, H) | PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER | non-polymer | 505.2 | 4 | Chemie (ACP) | |||
| 10 | S, W (E, G) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 2 | Chemie (SF4) | |||
| 11 | AA, BA, CA, DA, EA... (A, B, C, D, E...) | water | water | 18.0 | 940 | Chemie (HOH) |
Sequence modifications
A, C: 4 - 480 (UniProt: P07328)
| PDB | External Database | Details |
|---|---|---|
| Gln 440 | Glu 440 | variant |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 345032.5 | |
| Non-Polymers* | Number of molecules | 18 |
| Total formula weight | 6262.7 | |
| All* | Total formula weight | 351295.2 |
