2H0V
Crystal structure of a putative quercetin 2,3-dioxygenase (yxag, bsu39980) from bacillus subtilis at 2.60 A resolution
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Quercetin 2,3-dioxygenase | polymer | 338 | 38125.6 | 2 | UniProt (P42106) Pfam (PF07883) In PDB | Bacillus subtilis | Quercetinase, Flavonol 2,4-dioxygenase |
| 2 | A, B | FE (III) ION | non-polymer | 55.8 | 4 | Chemie (FE) | |||
| 3 | B, A | 1,2-ETHANEDIOL | non-polymer | 62.1 | 18 | Chemie (EDO) | |||
| 4 | A, B | L(+)-TARTARIC ACID | non-polymer | 150.1 | 2 | Chemie (TLA) | |||
| 5 | A, B | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 2 | Chemie (TRS) | |||
| 6 | water | water | 18.0 | 312 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 337 (UniProt: P42106)
| PDB | External Database | Details |
|---|---|---|
| Gly 0 | - | expression tag |
| Mse 1 | Met 1 | modified residue |
| Mse 14 | Met 14 | modified residue |
| Mse 36 | Met 36 | modified residue |
| Mse 107 | Met 107 | modified residue |
| Mse 119 | Met 119 | modified residue |
| Asp 160 | Thr 160 | SEE REMARK 999 |
| Mse 250 | Met 250 | modified residue |
| Mse 252 | Met 252 | modified residue |
| Mse 286 | Met 286 | modified residue |
| Glu 314 | Lys 314 | SEE REMARK 999 |
| Mse 335 | Met 335 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 76251.2 | |
| Non-Polymers* | Number of molecules | 26 |
| Total formula weight | 1885.1 | |
| All* | Total formula weight | 78136.3 |
