8QY1
Xylanase from Bacillus circulans mutant E78Q/Y69A bound to xylohexaose
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Endo-1,4-beta-xylanase | polymer | 185 | 20315.9 | 2 | UniProt (P09850) In PDB | Niallia circulans subsp. circulans | |
2 | E | beta-D-xylopyranose-(1-4)-beta-D-xylopyranose | branched | 282.2 | 1 | In PDB GlyTouCan (G87728WL) | |||
3 | F, G | beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose | branched | 546.5 | 2 | In PDB GlyTouCan (G60650FG) | |||
4 | A, B | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
5 | A, B | 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 209.2 | 2 | Chemie (BTB) | |||
6 | B | ACETATE ION | non-polymer | 59.0 | 2 | Chemie (ACT) | |||
7 | water | water | 18.0 | 164 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 185 (UniProt: P09850)
PDB | External Database | Details |
---|---|---|
Ala 69 | Tyr 97 | engineered mutation |
Gln 78 | Glu 106 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 40631.8 | |
Branched | Number of molecules | 3 |
Total formula weight | 1375.2 | |
Non-Polymers* | Number of molecules | 6 |
Total formula weight | 667.4 | |
All* | Total formula weight | 42674.4 |