9IVL
Crystal Structure of SME-1 E166A mutant in complex with Biapenem
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | beta-lactamase | polymer | 275 | 30345.3 | 1 | UniProt (Q54488) Pfam (PF00144) Pfam (PF13354) UniProt (by SIFTS) (P52682) | Serratia marcescens | SME E166A |
| 2 | B (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 3 | C (A) | (4R,5S)-3-(6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-ylsulfanyl)-5-[(1S,2R)-1-formyl-2-hydroxypropyl]-4-meth yl-4,5-dihydro-1H-pyrrole-2-carboxylate | non-polymer | 352.4 | 1 | Chemie (BMG) | |||
| 4 | D (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 5 | E (A) | water | water | 18.0 | 235 | Chemie (HOH) |
Sequence modifications
A: 1 - 267 (UniProt: Q54488)
| PDB | External Database | Details |
|---|---|---|
| Met -1 | - | initiating methionine |
| Gly 0 | - | expression tag |
| Ala 143 | Glu 170 | engineered mutation |
| His 268 | - | expression tag |
| His 269 | - | expression tag |
| His 270 | - | expression tag |
| His 271 | - | expression tag |
| His 272 | - | expression tag |
| His 273 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 30345.3 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 480.0 | |
| All* | Total formula weight | 30825.2 |






