6WGQ
The crystal structure of a beta-lactamase from Shigella flexneri 2a str. 2457T
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Beta-lactamase | polymer | 361 | 39725.1 | 2 | UniProt (A0A4S3P3Z5) Pfam (PF00144) UniProt (by SIFTS) (A0A0H2V5I6) In PDB | Shigella flexneri | Beta-lactamase penicillin resistance |
| 2 | A | NICKEL (II) ION | non-polymer | 58.7 | 5 | Chemie (NI) | |||
| 3 | A | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 6 | Chemie (TRS) | |||
| 4 | B, A | GLYCEROL | non-polymer | 92.1 | 13 | Chemie (GOL) | |||
| 5 | A | FORMIC ACID | non-polymer | 46.0 | 1 | Chemie (FMT) | |||
| 6 | B, A | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
| 7 | water | water | 18.0 | 537 | Chemie (HOH) |
Sequence modifications
A, B: 20 - 377 (UniProt: A0A4S3P3Z5)
| PDB | External Database | Details |
|---|---|---|
| Ser 17 | - | expression tag |
| Asn 18 | - | expression tag |
| Ala 19 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 79450.3 | |
| Non-Polymers* | Number of molecules | 29 |
| Total formula weight | 2411.4 | |
| All* | Total formula weight | 81861.6 |
