2EXK
Structure of the family43 beta-Xylosidase E187G from geobacillus stearothermophilus in complex with xylobiose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D | beta-D-xylosidase | polymer | 535 | 61897.2 | 4 | UniProt (Q68HB3) Pfam (PF04616) Pfam (PF17851) UniProt (by SIFTS) (Q09LX0) In PDB | Geobacillus stearothermophilus | |
| 2 | E, F, G, H | alpha-D-xylopyranose-(1-4)-alpha-D-xylopyranose | branched | 282.2 | 4 | In PDB GlyTouCan (G92719DV) | |||
| 3 | A, B, C, D | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 4 | A, B, D | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID | non-polymer | 195.2 | 3 | Chemie (MES) | |||
| 5 | A, B, C, D | GLYCEROL | non-polymer | 92.1 | 4 | Chemie (GOL) | |||
| 6 | water | water | 18.0 | 1091 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 535 (UniProt: Q68HB3)
| PDB | External Database | Details |
|---|---|---|
| Ala 2 | Ser 2 | engineered mutation |
| Gly 187 | Glu 187 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 247588.9 | |
| Branched | Number of molecules | 4 |
| Total formula weight | 1129.0 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 1114.4 | |
| All* | Total formula weight | 249832.3 |
