1R86
Crystal structure of the extracellular xylanase from Geobacillus stearothermophilus T-6 (XT6, monoclinic form): The E159A/E265A mutant at 1.8A resolution
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 | 379 | 43756.6 | 1 | UniProt (P40943) Pfam (PF00331) | Geobacillus stearothermophilus | Xylanase, 1,4-beta-D-xylan xylanohydrolase, xylanase T-6 |
| 2 | B, C, D, E, F... (A) | ZINC ION | non-polymer | 65.4 | 7 | Chemie (ZN) | |||
| 3 | I, J (A) | CHLORIDE ION | non-polymer | 35.5 | 2 | Chemie (CL) | |||
| 4 | K (A) | SULFATE ION | non-polymer | 96.1 | 1 | Chemie (SO4) | |||
| 5 | L (A) | water | water | 18.0 | 326 | Chemie (HOH) |
Sequence modifications
A: 1 - 379 (UniProt: P40943)
| PDB | External Database | Details |
|---|---|---|
| Ala 159 | Glu 187 | engineered mutation |
| Ala 265 | Glu 293 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 43756.6 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 624.8 | |
| All* | Total formula weight | 44381.4 |
