3q07

X-ray diffraction
1.5Å resolution

CTX-M-9 S70G in complex with piperacillin

Released:
Source organism: Escherichia coli
Entry authors: Delmas J, Leyssne D, Robin F, Coignoux A, Bonnet R

Function and Biology Details

Reaction catalysed:
A beta-lactam + H(2)O = a substituted beta-amino acid
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-192212 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta-lactamase Chains: A, B
Molecule details ›
Chains: A, B
Length: 263 amino acids
Theoretical weight: 27.94 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9L5C8 (Residues: 29-291; Coverage: 100%)
Gene names: RCS51_P0174, bla CTX-M-9, blaCTX-M-9, blaCTX-M-9a, blaCTX-M-9b
Sequence domains:
Structure domains: DD-peptidase/beta-lactamase superfamily

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID23-1
Spacegroup: P21
Unit cell:
a: 45.128Å b: 106.34Å c: 47.61Å
α: 90° β: 101.9° γ: 90°
R-values:
R R work R free
0.147 0.146 0.175
Expression system: Escherichia coli