4HK8
Crystal Structures of Mutant Endo- -1,4-xylanase II Complexed with substrate (1.15 A) and Products (1.6 A)
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 2 | polymer | 189 | 20726.4 | 1 | UniProt (P36217) Pfam (PF00457) | Trichoderma reesei | Xylanase 2, 1,4-beta-D-xylan xylanohydrolase 2 |
| 2 | B (B) | beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose | branched | 810.7 | 1 | In PDB GlyTouCan (G71882IJ) | |||
| 3 | C, D, E, F, G (A) | GLYCEROL | non-polymer | 92.1 | 5 | Chemie (GOL) | |||
| 4 | H (A) | CITRIC ACID | non-polymer | 192.1 | 1 | Chemie (CIT) | |||
| 5 | I (A) | water | water | 18.0 | 203 | Chemie (HOH) |
Sequence modifications
A: 2 - 190 (UniProt: P36217)
| PDB | External Database | Details |
|---|---|---|
| Gln 177 | Glu 209 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 20726.4 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 810.7 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 652.6 | |
| All* | Total formula weight | 22189.7 |
