3QIM
Histidine 416 of the periplamsic binding protein NikA is essential for nickel uptake in Escherichia coli
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Nickel-binding periplasmic protein | polymer | 502 | 56335.7 | 2 | UniProt (P33590) Pfam (PF00496) In PDB | Escherichia coli | NikA |
| 2 | A, B | GLYCEROL | non-polymer | 92.1 | 8 | Chemie (GOL) | |||
| 3 | A, B | ACETATE ION | non-polymer | 59.0 | 13 | Chemie (ACT) | |||
| 4 | B, A | SULFATE ION | non-polymer | 96.1 | 4 | Chemie (SO4) | |||
| 5 | water | water | 18.0 | 506 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 502 (UniProt: P33590)
| PDB | External Database | Details |
|---|---|---|
| Ile 416 | His 438 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 112671.5 | |
| Non-Polymers* | Number of molecules | 25 |
| Total formula weight | 1888.6 | |
| All* | Total formula weight | 114560.1 |
