4WZA
Asymmetric Nucleotide Binding in the Nitrogenase Complex
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 | 477 | 53999.6 | 2 | UniProt (P07328) Pfam (PF00148) In PDB | Azotobacter vinelandii | Dinitrogenase,Nitrogenase component I |
2 | B, D | Nitrogenase molybdenum-iron protein beta chain | polymer | 522 | 59404.7 | 2 | UniProt (P07329) Pfam (PF11844) Pfam (PF00148) In PDB | Azotobacter vinelandii | Dinitrogenase,Nitrogenase component I |
3 | E, F, G, H | Nitrogenase iron protein 1 | polymer | 276 | 30028.6 | 4 | UniProt (P00459) Pfam (PF00142) In PDB | Azotobacter vinelandii | Nitrogenase Fe protein 1,Nitrogenase component II,Nitrogenase reductase |
4 | A, C | 3-HYDROXY-3-CARBOXY-ADIPIC ACID | non-polymer | 206.2 | 2 | Chemie (HCA) | |||
5 | A, C | iron-sulfur-molybdenum cluster with interstitial carbon | non-polymer | 787.5 | 2 | Chemie (ICS) | |||
6 | A, C | FE(8)-S(7) CLUSTER | non-polymer | 671.2 | 2 | Chemie (CLF) | |||
7 | B, D | FE (III) ION | non-polymer | 55.8 | 2 | Chemie (FE) | |||
8 | E, G | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 2 | Chemie (SF4) | |||
9 | E, F, G, H | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
10 | E, G | ADENOSINE-5'-DIPHOSPHATE | non-polymer | 427.2 | 2 | Chemie (ADP) | |||
11 | F, H | PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER | non-polymer | 505.2 | 2 | Chemie (ACP) | |||
12 | water | water | 18.0 | 2198 | 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 | 346922.9 | |
Non-Polymers* | Number of molecules | 18 |
Total formula weight | 6106.6 | |
All* | Total formula weight | 353029.5 |