6d7h

X-ray diffraction
1.8Å resolution

CTX-M-14 Apoenzyme

Released:
Model geometry
Fit model/data
Source organism: Escherichia coli
Entry authors: Kemp M, Nichols D, Chen Y

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-124843 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Beta-lactamase Chain: A
Molecule details ›
Chain: A
Length: 263 amino acids
Theoretical weight: 28 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: H6UQI0 (Residues: 22-284; Coverage: 100%)
Gene name: CTX-M-14
Sequence domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P3221
Unit cell:
a: 41.71Å b: 41.71Å c: 232.524Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.188 0.184 0.236
Expression system: Escherichia coli BL21(DE3)