2JI3
X-ray structure of the iron-peroxide intermediate of superoxide reductase (E114A mutant) from Desulfoarculus baarsii
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D | Desulfoferrodoxin | polymer | 126 | 14118.4 | 4 | UniProt (Q46495) Pfam (PF06397) Pfam (PF01880) In PDB | Desulfarculus baarsii | Dfx,Superoxide reductase,SOR |
| 2 | A, B, C, D | FE (III) ION | non-polymer | 55.8 | 8 | Chemie (FE) | |||
| 3 | A, B, C | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 4 | A | NITRATE ION | non-polymer | 62.0 | 1 | Chemie (NO3) | |||
| 5 | B, C, D | PEROXIDE ION | non-polymer | 32.0 | 3 | Chemie (PER) | |||
| 6 | water | water | 18.0 | 309 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 126 (UniProt: Q46495)
| PDB | External Database | Details |
|---|---|---|
| Ala 114 | Glu 114 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 56473.4 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 765.1 | |
| All* | Total formula weight | 57238.5 |
