2EX6
Crystal structure of penicillin binding protein 4 (dacB) from Escherichia coli, complexed with ampicillin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Penicillin-binding protein 4 | polymer | 458 | 49796.7 | 1 | UniProt (P24228) Pfam (PF02113) In PDB | Escherichia coli | |
| 2 | A | (2R,4S)-2-[(1R)-1-{[(2R)-2-amino-2-phenylacetyl]amino}-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | non-polymer | 351.4 | 1 | Chemie (AIX) | |||
| 3 | A | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 4 | water | water | 18.0 | 268 | Chemie (HOH) |
Sequence modifications
A: 21 - 477 (UniProt: P24228)
| PDB | External Database | Details |
|---|---|---|
| Met 20 | - | INITIATING METHIONINE |
| Tyr 261 | Asp 261 | ENGINEERED MUTATION |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 49796.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 443.5 | |
| All* | Total formula weight | 50240.2 |
