8RHP
Cryo-EM structure of the molybdenum nitrogenase complexed with iron protein (NifH) and Shethna protein II (FeSII)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, D, H, K (A, D, H, K) | Nitrogenase molybdenum-iron protein alpha chain | polymer | 492 | 55363.0 | 4 | UniProt (P07328) Pfam (PF00148) | Azotobacter vinelandii | Dinitrogenase,Nitrogenase component I |
| 2 | B, C, I, J (B, C, I, J) | Nitrogenase molybdenum-iron protein beta chain | polymer | 523 | 59535.9 | 4 | UniProt (P07329) Pfam (PF11844) Pfam (PF00148) | Azotobacter vinelandii | Dinitrogenase,Nitrogenase component I |
| 3 | E, L (E, L) | Protein FeSII | polymer | 122 | 13289.3 | 2 | UniProt (Q44501) Pfam (PF00111) | Azotobacter vinelandii | FeSII,Shethna protein FeSII |
| 4 | F, G, M, N (F, G, M, N) | Nitrogenase iron protein 1 | polymer | 290 | 31548.2 | 4 | UniProt (P00459) Pfam (PF00142) | Azotobacter vinelandii | Nitrogenase Fe protein 1,Nitrogenase component II,Nitrogenase reductase |
| 5 | AA, DA, O, T (I, J, A, C) | FE(8)-S(7) CLUSTER | non-polymer | 671.2 | 4 | Chemie (CLF) | |||
| 6 | EA, P, U, Y (K, A, D, H) | 3-HYDROXY-3-CARBOXY-ADIPIC ACID | non-polymer | 206.2 | 4 | Chemie (HCA) | |||
| 7 | FA, Q, V, Z (K, A, D, H) | iron-sulfur-molybdenum cluster with interstitial carbon | non-polymer | 787.5 | 4 | Chemie (ICS) | |||
| 8 | BA, CA, R, S (I, J, B, C) | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 9 | GA, W (L, E) | FE2/S2 (INORGANIC) CLUSTER | non-polymer | 175.8 | 2 | Chemie (FES) | |||
| 10 | HA, X (M, F) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 2 | Chemie (SF4) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 14 |
| Total formula weight | 612367.3 | |
| Non-Polymers* | Number of molecules | 20 |
| Total formula weight | 7874.5 | |
| All* | Total formula weight | 620241.8 |
