7F6U
Crystal structure of metal-citrate-binding mutant (Y221A) protein (MctA) of ABC transporter in apo state
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Iron ABC transporter, periplasmic iron-binding protein | polymer | 342 | 38091.3 | 1 | UniProt (Q53VZ2) Pfam (PF01547) | Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8) | |
| 2 | B, C (A) | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) | |||
| 3 | D (A) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 4 | E (A) | CARBON DIOXIDE | non-polymer | 44.0 | 1 | Chemie (CO2) | |||
| 5 | F, G, H, I (A) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 4 | Chemie (EDO) | |||
| 6 | J (A) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 1 | Chemie (PEG) | |||
| 7 | K (A) | 2-HYDROXY BUTANE-1,4-DIOL | non-polymer | 106.1 | 1 | Chemie (BGQ) | |||
| 8 | L (A) | 2-(hydroxymethyl)butane-1,4-diol | non-polymer | 120.1 | 1 | Chemie (1MI) | |||
| 9 | M (A) | CACODYLATE ION | non-polymer | 137.0 | 1 | Chemie (CAC) | |||
| 10 | N (A) | water | water | 18.0 | 281 | Chemie (HOH) |
Sequence modifications
A: 1 - 340 (UniProt: Q53VZ2)
| PDB | External Database | Details |
|---|---|---|
| Met -1 | - | initiating methionine |
| Met 0 | - | expression tag |
| Ala 221 | Tyr 239 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 38091.3 | |
| Non-Polymers* | Number of molecules | 12 |
| Total formula weight | 903.7 | |
| All* | Total formula weight | 38995.0 |
