2IPM
Crystal structure of a disulfide mutant glucose binding protein
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | D-galactose-binding periplasmic protein | polymer | 318 | 34490.8 | 1 | UniProt (P0AEE5) Pfam (PF13407) | Escherichia coli | GBP, D-galactose/D-glucose-binding protein, GGBP |
| 2 | B (A) | beta-D-glucopyranose | non-polymer | 180.2 | 1 | Chemie (BGC) | |||
| 3 | C (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 4 | D (A) | water | water | 18.0 | 435 | Chemie (HOH) |
Sequence modifications
A: 1 - 309 (UniProt: P0AEE5)
| PDB | External Database | Details |
|---|---|---|
| Met 0 | - | initiating methionine |
| Cys 15 | Asn 38 | engineered mutation |
| Cys 238 | Leu 261 | engineered mutation |
| Gly 310 | - | expression tag |
| Ser 311 | - | expression tag |
| His 312 | - | expression tag |
| His 313 | - | expression tag |
| His 314 | - | expression tag |
| His 315 | - | expression tag |
| His 316 | - | expression tag |
| His 317 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 34490.8 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 220.2 | |
| All* | Total formula weight | 34711.1 |
