1N9B
Ultrahigh resolution structure of a class A beta-lactamase: On the mechanism and specificity of the extended-spectrum SHV-2 enzyme
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 SHV-2 | polymer | 265 | 28937.0 | 1 | UniProt (P30896) Pfam (PF00144) Pfam (PF13354) | Klebsiella pneumoniae | PENICILLINASE |
| 2 | B, C (A) | CYCLOHEXYL-HEXYL-BETA-D-MALTOSIDE | non-polymer | 508.6 | 2 | Chemie (MA4) | |||
| 3 | D (A) | 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID | non-polymer | 238.3 | 1 | Chemie (EPE) | |||
| 4 | E (A) | (4S)-2-METHYL-2,4-PENTANEDIOL | non-polymer | 118.2 | 1 | Chemie (MPD) | |||
| 5 | F (A) | water | water | 18.0 | 367 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 28937.0 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 1373.7 | |
| All* | Total formula weight | 30310.7 |
