4AIO
Crystal structure of the starch debranching enzyme barley limit dextrinase
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | LIMIT DEXTRINASE | polymer | 884 | 97444.2 | 1 | UniProt (O48541) Pfam (PF17967) Pfam (PF02922) Pfam (PF11852) | HORDEUM VULGARE (BARLEY) | |
| 2 | B, C, D, E (A) | GLYCEROL | non-polymer | 92.1 | 4 | Chemie (GOL) | |||
| 3 | F, G (A) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 4 | H, I, J, K (A) | IODIDE ION | non-polymer | 126.9 | 4 | Chemie (IOD) | |||
| 5 | L (A) | water | water | 18.0 | 294 | Chemie (HOH) |
Sequence modifications
A: 2 - 885 (UniProt: O48541)
| PDB | External Database | Details |
|---|---|---|
| Arg 82 | Lys 102 | engineered mutation |
| Met 484 | Val 504 | variant |
| Arg 485 | - | insertion |
| Ala 486 | Thr 505 | variant |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 97444.2 | |
| Non-Polymers* | Number of molecules | 10 |
| Total formula weight | 956.1 | |
| All* | Total formula weight | 98400.3 |
