7F6K
Crystal structure of metal-citrate-binding protein (MctA) of ABC transporter endogenously bound to citrate
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) | Iron ABC transporter, periplasmic iron-binding protein | polymer | 342 | 38183.4 | 3 | UniProt (Q53VZ2) Pfam (PF01547) | Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8) | |
| 2 | D, E, M, N, O... (A, B, C) | CHLORIDE ION | non-polymer | 35.5 | 6 | Chemie (CL) | |||
| 3 | F, P, V (A, B, C) | CITRIC ACID | non-polymer | 192.1 | 3 | Chemie (CIT) | |||
| 4 | G, R (A, B) | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID | non-polymer | 195.2 | 2 | Chemie (MES) | |||
| 5 | H, I, S (A, B) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 3 | Chemie (EDO) | |||
| 6 | J (A) | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
| 7 | K, L (A) | CARBON DIOXIDE | non-polymer | 44.0 | 2 | Chemie (CO2) | |||
| 8 | Q (B) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 9 | T (B) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 10 | W, X, Y (A, B, C) | water | water | 18.0 | 480 | Chemie (HOH) |
Sequence modifications
A, B, C: 1 - 340 (UniProt: Q53VZ2)
| PDB | External Database | Details |
|---|---|---|
| Met -1 | - | initiating methionine |
| Met 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 114550.2 | |
| Non-Polymers* | Number of molecules | 19 |
| Total formula weight | 1701.0 | |
| All* | Total formula weight | 116251.2 |
