1ZLQ
Crystallographic and spectroscopic evidence for high affinity binding of Fe EDTA (H2O)- to the periplasmic nickel transporter NikA
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Nickel-binding periplasmic protein | polymer | 502 | 56360.7 | 2 | UniProt (P33590) Pfam (PF00496) | Escherichia coli | |
| 2 | C, T (A, B) | FE (III) ION | non-polymer | 55.8 | 2 | Chemie (FE) | |||
| 3 | D, E, F, G, H... (A, B) | ACETATE ION | non-polymer | 59.0 | 9 | Chemie (ACT) | |||
| 4 | J (A) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | K, L, M, N, X (A, B) | CHLORIDE ION | non-polymer | 35.5 | 5 | Chemie (CL) | |||
| 6 | O, Y (A, B) | {[-(BIS-CARBOXYMETHYL-AMINO)-ETHYL]-CARBOXYMETHYL-AMINO}-ACETIC ACID | non-polymer | 292.2 | 2 | Chemie (EDT) | |||
| 7 | P (A) | 2,3-DIHYDROXY-1,4-DITHIOBUTANE | non-polymer | 154.3 | 1 | Chemie (DTT) | |||
| 8 | AA, Q, R, S, Z (B, A) | GLYCEROL | non-polymer | 92.1 | 5 | Chemie (GOL) | |||
| 9 | BA, CA (A, B) | water | water | 18.0 | 859 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 112721.5 | |
| Non-Polymers* | Number of molecules | 25 |
| Total formula weight | 2115.6 | |
| All* | Total formula weight | 114837.1 |
