3HUO
X-ray crystallographic structure of CTX-M-9 S70G in complex with benzylpenicillin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | CTX-M-9 extended-spectrum beta-lactamase | polymer | 263 | 27942.5 | 2 | UniProt (Q9L5C8) Pfam (PF00144) Pfam (PF13354) | Escherichia coli | Beta-lactamase, Beta-lactamase CTX-M-9a, Betalactamase CTX-M-9, CTX-M-9 beta-lactamase |
| 2 | C, D, E, F, G (A, B) | PENICILLIN G | non-polymer | 334.4 | 5 | Chemie (PNN) | |||
| 3 | H (B) | (2R,4S)-2-{(R)-carboxy[(phenylacetyl)amino]methyl}-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid | non-polymer | 352.4 | 1 | Chemie (PNK) | |||
| 4 | I, J (A, B) | water | water | 18.0 | 681 | Chemie (HOH) |
Sequence modifications
A, B: 25 - 290 (UniProt: Q9L5C8)
| PDB | External Database | Details |
|---|---|---|
| Gly 70 | Ser 73 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 55884.9 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 2024.4 | |
| All* | Total formula weight | 57909.3 |
