6BBL
Crystal structure of the a-96Gln MoFe protein variant in the presence of the substrate acetylene
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 | 55334.0 | 2 | UniProt (P07328) Pfam (PF00148) | Azotobacter vinelandii | Dinitrogenase, Nitrogenase component I |
| 2 | B, D (B, D) | Nitrogenase molybdenum-iron protein beta chain | polymer | 523 | 59535.9 | 2 | UniProt (P07329) Pfam (PF11844) Pfam (PF00148) | Azotobacter vinelandii | Dinitrogenase, Nitrogenase component I |
| 3 | E, M (A, C) | acetylene | non-polymer | 26.0 | 2 | Chemie (C2H) | |||
| 4 | F, P, R (A, C, D) | IMIDAZOLE | non-polymer | 69.1 | 3 | Chemie (IMD) | |||
| 5 | G, N (A, C) | 3-HYDROXY-3-CARBOXY-ADIPIC ACID | non-polymer | 206.2 | 2 | Chemie (HCA) | |||
| 6 | H, O (A, C) | iron-sulfur-molybdenum cluster with interstitial carbon | non-polymer | 787.5 | 2 | Chemie (ICS) | |||
| 7 | I, Q (A, C) | FE(8)-S(7) CLUSTER, OXIDIZED | non-polymer | 671.2 | 2 | Chemie (1CL) | |||
| 8 | J, L (B) | FE (III) ION | non-polymer | 55.8 | 2 | Chemie (FE) | |||
| 9 | K (B) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 10 | S, T, U, V (A, B, C, D) | water | water | 18.0 | 2170 | Chemie (HOH) |
Sequence modifications
A, C: 1 - 492 (UniProt: P07328)
| PDB | External Database | Details |
|---|---|---|
| Gln 96 | Arg 96 | variant |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 229739.7 | |
| Non-Polymers* | Number of molecules | 14 |
| Total formula weight | 3725.0 | |
| All* | Total formula weight | 233464.7 |
