1G20
MGATP-BOUND AND NUCLEOTIDE-FREE STRUCTURES OF A NITROGENASE PROTEIN COMPLEX BETWEEN LEU127DEL-FE PROTEIN AND THE MOFE PROTEIN
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 | 492 | 55363.0 | 2 | UniProt (P07328) Pfam (PF00148) | Azotobacter vinelandii | NITROGENASE COMPONENT I, DINITROGENASE, NIFD |
| 2 | B, D (B, D) | NITROGENASE MOLYBDENUM-IRON PROTEIN BETA CHAIN | polymer | 523 | 59535.9 | 2 | UniProt (P07329) Pfam (PF11844) Pfam (PF00148) | Azotobacter vinelandii | NITROGENASE COMPONENT I, DINITROGENASE, NIFK |
| 3 | E, F, G, H (E, F, G, H) | NITROGENASE IRON PROTEIN | polymer | 289 | 31435.1 | 4 | UniProt (P00459) Pfam (PF00142) | Azotobacter vinelandii | NITROGENASE COMPONENT II, NITROGENASE REDUCTASE, NIFH |
| 4 | I, M (A, C) | 3-HYDROXY-3-CARBOXY-ADIPIC ACID | non-polymer | 206.2 | 2 | Chemie (HCA) | |||
| 5 | J, N (A, C) | FE-MO-S CLUSTER | non-polymer | 775.4 | 2 | Chemie (CFM) | |||
| 6 | K, O (B, D) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 7 | L, P (B, D) | FE(8)-S(7) CLUSTER | non-polymer | 671.2 | 2 | Chemie (CLF) | |||
| 8 | Q, R (E, G) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 2 | Chemie (SF4) | |||
| 9 | S, T, U, V, W... (A, B, C, D, E...) | water | water | 18.0 | 1066 | Chemie (HOH) |
Sequence modifications
E, F, G, H: 1 - 289 (UniProt: P00459)
| PDB | External Database | Details |
|---|---|---|
| - | Leu 128 | deletion |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 355538.2 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 4089.0 | |
| All* | Total formula weight | 359627.2 |
