3DP8
Structural characterization of a putative endogenous metal chelator in the periplasmic nickel transporter NikA (nickel butane-1,2,4-tricarboxylate form)
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 | Nickel-binding periplasmic protein | polymer | 502 | 56360.7 | 3 | UniProt (P33590) Pfam (PF00496) In PDB | Escherichia coli | NikA |
| 2 | A, C, B | NICKEL (II) ION | non-polymer | 58.7 | 3 | Chemie (NI) | |||
| 3 | A, C, B | ACETATE ION | non-polymer | 59.0 | 11 | Chemie (ACT) | |||
| 4 | A | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | C, A, B | CHLORIDE ION | non-polymer | 35.5 | 7 | Chemie (CL) | |||
| 6 | C, A, B | (2R)-butane-1,2,4-tricarboxylic acid | non-polymer | 190.2 | 3 | Chemie (HCT) | |||
| 7 | B, A | GLYCEROL | non-polymer | 92.1 | 8 | Chemie (GOL) | |||
| 8 | water | water | 18.0 | 265 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 169082.2 | |
| Non-Polymers* | Number of molecules | 33 |
| Total formula weight | 2477.0 | |
| All* | Total formula weight | 171559.2 |
