4XB3
Structure of dextran glucosidase
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Glucan 1,6-alpha-glucosidase | polymer | 536 | 62064.8 | 1 | UniProt (Q99040) Pfam (PF00128) | Streptococcus mutans UA159 | Dextran glucosidase,Exo-1,6-alpha-glucosidase,Glucodextranase |
| 2 | B, C, D, E (A) | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 3 | F (A) | HEXAETHYLENE GLYCOL | non-polymer | 282.3 | 1 | Chemie (P6G) | |||
| 4 | G (A) | water | water | 18.0 | 353 | Chemie (HOH) |
Sequence modifications
A: 1 - 536 (UniProt: Q99040)
| PDB | External Database | Details |
|---|---|---|
| Ala 72 | Thr 72 | conflict |
| Gln 236 | Glu 236 | engineered mutation |
| Leu 536 | Asn 536 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 62064.8 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 442.6 | |
| All* | Total formula weight | 62507.5 |
