2NOO
Crystal Structure of Mutant NikA
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Nickel-binding periplasmic protein | polymer | 502 | 56277.6 | 1 | UniProt (P33590) Pfam (PF00496) | Escherichia coli K12 | NikA |
| 2 | B, C (A) | IODIDE ION | non-polymer | 126.9 | 2 | Chemie (IOD) | |||
| 3 | D (A) | NICKEL (II) ION | non-polymer | 58.7 | 1 | Chemie (NI) | |||
| 4 | E (A) | water | water | 18.0 | 348 | Chemie (HOH) |
Sequence modifications
A: 1 - 502 (UniProt: P33590)
| PDB | External Database | Details |
|---|---|---|
| Ala 22 | Tyr 44 | engineered mutation |
| Ala 97 | Arg 119 | engineered mutation |
| Ala 100 | Trp 122 | engineered mutation |
| Ala 137 | Arg 159 | engineered mutation |
| Tyi 300 | Tyr 322 | modified residue |
| Tyi 382 | Tyr 404 | modified residue |
| Ala 398 | Trp 420 | engineered mutation |
| Ala 402 | Tyr 424 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 56277.6 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 312.5 | |
| All* | Total formula weight | 56590.1 |
