8ISQ
Crystal structure of extended-spectrum class A beta-lactamase, CESS-1 E166Q acylated by ampicillin
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | Beta-lactamase | polymer | 269 | 28652.3 | 1 | UniProt (A0A126NGE0) Pfam (PF00144) Pfam (PF13354) In PDB | Stenotrophomonas sp. KCTC 12332 | CESS-1 |
2 | A | (2R,4S)-2-[(R)-{[(2R)-2-amino-2-phenylacetyl]amino}(carboxy)methyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | non-polymer | 367.4 | 1 | Chemie (ZZ7) | |||
3 | A | 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 209.2 | 1 | Chemie (BTB) | |||
4 | A | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
5 | water | water | 18.0 | 145 | Chemie (HOH) |
Sequence modifications
A: 26 - 291 (UniProt: A0A126NGE0)
PDB | External Database | Details |
---|---|---|
Gly 22 | - | cloning artifact |
Ser 23 | - | cloning artifact |
His 24 | - | cloning artifact |
Met 25 | - | cloning artifact |
Gln 166 | Glu 173 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 28652.3 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 668.8 | |
All* | Total formula weight | 29321.0 |