3WY4
Crystal structure of alpha-glucosidase mutant E271Q in complex with maltose
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Alpha-glucosidase | polymer | 538 | 61176.1 | 2 | UniProt (H3K096) | Halomonas sp. H11 | |
| 2 | C (C) | alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose | branched | 342.3 | 1 | In PDB BIRD (PRD_900001) GlyTouCan (G07411ON) | alpha-maltose | ||
| 3 | D (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 4 | E, F, G, H (A, B) | GLYCEROL | non-polymer | 92.1 | 4 | Chemie (GOL) | |||
| 5 | I, J (A, B) | water | water | 18.0 | 452 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 538 (UniProt: H3K096)
| PDB | External Database | Details |
|---|---|---|
| Gln 271 | Glu 271 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 122352.2 | |
| Branched | Number of molecules | 1 |
| Total formula weight | 342.3 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 392.7 | |
| All* | Total formula weight | 123087.2 |
