3E3K
Structural characterization of a putative endogenous metal chelator in the periplasmic nickel transporter NikA (butane-1,2,4-tricarboxylate without nickel 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 (A, B, C) | Nickel-binding periplasmic protein | polymer | 502 | 56360.7 | 3 | UniProt (P33590) Pfam (PF00496) | Escherichia coli | NikA |
| 2 | D, E, J (A, B) | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 3 | F, K, L, M, R... (A, B, C) | ACETATE ION | non-polymer | 59.0 | 6 | Chemie (ACT) | |||
| 4 | G (A) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | H, N, T (A, B, C) | (2R)-butane-1,2,4-tricarboxylic acid | non-polymer | 190.2 | 3 | Chemie (HCT) | |||
| 6 | I, O, P, Q (B, C) | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
| 7 | U, V, W (A, B, C) | water | water | 18.0 | 103 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 169082.2 | |
| Non-Polymers* | Number of molecules | 17 |
| Total formula weight | 1438.9 | |
| All* | Total formula weight | 170521.1 |
