7UT9
CryoEM structure of Azotobacter vinelandii nitrogenase complex (1:1 FeP:MoFeP, ADP/ATP-bound) during catalytic N2 reduction
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 DJ | Dinitrogenase,Nitrogenase component I |
| 2 | B, D (B, D) | Nitrogenase molybdenum-iron protein beta chain | polymer | 523 | 59535.9 | 2 | UniProt (C1DGZ8) Pfam (PF11844) Pfam (PF00148) UniProt (by SIFTS) (P07329) | Azotobacter vinelandii DJ | Dinitrogenase |
| 3 | E, F (E, F) | Nitrogenase iron protein gamma chain | polymer | 290 | 31548.2 | 2 | UniProt (C1DGZ6) Pfam (PF00142) UniProt (by SIFTS) (P00459) | Azotobacter vinelandii DJ | Nitrogenase Fe protein,Nitrogenase component II,Nitrogenase reductase |
| 4 | G, K (A, C) | 3-HYDROXY-3-CARBOXY-ADIPIC ACID | non-polymer | 206.2 | 2 | Chemie (HCA) | |||
| 5 | H, L (A, C) | iron-sulfur-molybdenum cluster with interstitial carbon | non-polymer | 787.5 | 2 | Chemie (ICS) | |||
| 6 | I, N (B, D) | FE(8)-S(7) CLUSTER | non-polymer | 671.2 | 2 | Chemie (CLF) | |||
| 7 | J, M (B, D) | FE (III) ION | non-polymer | 55.8 | 2 | Chemie (FE) | |||
| 8 | O, R (E, F) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 9 | P (E) | ADENOSINE-5'-DIPHOSPHATE | non-polymer | 427.2 | 1 | Chemie (ADP) | |||
| 10 | Q (F) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 1 | Chemie (SF4) | |||
| 11 | S (F) | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 1 | Chemie (ATP) | |||
| 12 | T, U, V, W, X... (A, B, C, D, E...) | water | water | 18.0 | 60 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 292894.3 | |
| Non-Polymers* | Number of molecules | 13 |
| Total formula weight | 4776.0 | |
| All* | Total formula weight | 297670.3 |
