3AXI
Crystal structure of isomaltase 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 (A) | Oligo-1,6-glucosidase IMA1 | polymer | 589 | 68619.3 | 1 | UniProt (P53051) Pfam (PF00128) | Saccharomyces cerevisiae (yeast) | Alpha-glucosidase, Flocculent-specific protein 2, Isomaltase 1 |
| 2 | B (A) | alpha-D-glucopyranose | non-polymer | 180.2 | 1 | Chemie (GLC) | |||
| 3 | C (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D (A) | water | water | 18.0 | 601 | Chemie (HOH) |
Sequence modifications
A: 1 - 589 (UniProt: P53051)
| PDB | External Database | Details |
|---|---|---|
| Ala 277 | Glu 277 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 68619.3 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 220.2 | |
| All* | Total formula weight | 68839.5 |
