2P74
CTX-M-9 class A beta-lactamase apo crystal structure at 0.88 Angstrom resolution
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 CTX-M-9a | polymer | 263 | 27955.5 | 2 | UniProt (Q9L5C8) Pfam (PF00144) Pfam (PF13354) In PDB | Escherichia coli | Beta-lactamase, CTX-M-9 beta-lactamase, Betalactamase CTX-M-9 |
| 2 | A, B | PHOSPHATE ION | non-polymer | 95.0 | 5 | Chemie (PO4) | |||
| 3 | A, B | POTASSIUM ION | non-polymer | 39.1 | 2 | Chemie (K) | |||
| 4 | water | water | 18.0 | 1001 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 55910.9 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 553.1 | |
| All* | Total formula weight | 56464.0 |
