1L5H
FeMo-cofactor Deficient Nitrogenase 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 (A)  | nitrogenase molybdenum-iron protein alpha chain | polymer | 491 | 55231.8 | 1 | UniProt (P07328) Pfam (PF00148)  | Azotobacter vinelandii | Nitrogenase MoFe protein | 
| 2 | B (B)  | nitrogenase molybdenum-iron protein beta chain | polymer | 522 | 59404.7 | 1 | UniProt (P07329) Pfam (PF11844) Pfam (PF00148)  | Azotobacter vinelandii | Nitrogenase MoFe protein | 
| 3 | C (B)  | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D (B)  | FE(8)-S(7) CLUSTER | non-polymer | 671.2 | 1 | Chemie (CLF) | |||
| 5 | E, F (A, B)  | water | water | 18.0 | 241 | Chemie (HOH) | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 | 
| Total formula weight | 114636.5 | |
| Non-Polymers* | Number of molecules | 2 | 
| Total formula weight | 711.3 | |
| All* | Total formula weight | 115347.8 | 






