8QY3
Xylanase from Bacillus circulans mutant E78Q/F125A bound to xylotriose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Endo-1,4-beta-xylanase | polymer | 185 | 20331.9 | 1 | UniProt (P09850) Pfam (PF00457) | Niallia circulans subsp. circulans | |
| 2 | B (D) | beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose | branched | 414.4 | 1 | In PDB GlyTouCan (G87429QT) | |||
| 3 | C, D (A) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 4 | E (A) | 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 209.2 | 1 | Chemie (BTB) | |||
| 5 | F (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 6 | G, H (A) | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
| 7 | I (A) | water | water | 18.0 | 227 | Chemie (HOH) |
Sequence modifications
A: 1 - 185 (UniProt: P09850)
| PDB | External Database | Details |
|---|---|---|
| Gln 78 | Glu 106 | engineered mutation |
| Ala 125 | Phe 153 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 20331.9 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 414.4 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 550.2 | |
| All* | Total formula weight | 21296.5 |
