3SX6
Crystal structure of sulfide:quinone oxidoreductase Cys356Ala variant from Acidithiobacillus ferrooxidans complexed with decylubiquinone
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Sulfide-quinone reductase | polymer | 437 | 47798.0 | 1 | UniProt (B7JBP8) Pfam (PF07992) | Acidithiobacillus ferrooxidans ATCC 23270 | SQR,Sulfide:quinone oxidoreductase |
| 2 | B (A) | FLAVIN-ADENINE DINUCLEOTIDE | non-polymer | 785.5 | 1 | Chemie (FAD) | |||
| 3 | C (A) | DODECYL-BETA-D-MALTOSIDE | non-polymer | 510.6 | 1 | Chemie (LMT) | |||
| 4 | D (A) | 2-decyl-5,6-dimethoxy-3-methylcyclohexa-2,5-diene-1,4-dione | non-polymer | 322.4 | 1 | Chemie (DCQ) | |||
| 5 | E, F (A) | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 6 | G, H (A) | HYDROSULFURIC ACID | non-polymer | 34.1 | 2 | Chemie (H2S) | |||
| 7 | I (A) | water | water | 18.0 | 341 | Chemie (HOH) |
Sequence modifications
A: 2 - 434 (UniProt: B7JBP8)
| PDB | External Database | Details |
|---|---|---|
| Met -2 | - | initiating methionine |
| Arg -1 | - | expression tag |
| Gly 0 | - | expression tag |
| Ser 1 | - | expression tag |
| Ala 356 | Cys 356 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 47798.0 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 1878.9 | |
| All* | Total formula weight | 49676.9 |
