› 6mz2

X-ray diffraction
0.83Å resolution

CTX-M-14 Class A Beta-Lactamase in Complex with Avibactam at pH 7.9

Released:
DOI: 10.2210/pdb6mz2/pdb
PDB entry 6mz2 coloured by chain, front view.
PDB entry 6mz2 coloured by chain, side view.
PDB entry 6mz2 coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
Mechanism of proton transfer in class A β-lactamase catalysis and inhibition by avibactam.
Pemberton OA, Noor RE, Kumar M V V, Sanishvili R, Kemp MT, Kearns FL, Woodcock HL, Gelis I, Chen Y
Proc Natl Acad Sci U S A 117 5818-5825 (2020)
PMID: 32123084

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
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-192210 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:

Ligands and Environments

4 bound ligands:
Ligand NXL 2 x NXL
Ligand PO4 2 x PO4
Ligand NA 4 x NA
Ligand K 13 x K
1 modified residue:
Ligand PCA 2 x PCA

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-B
Spacegroup: P21
Unit cell:
a: 45.161Å b: 106.842Å c: 47.913Å
α: 90° β: 101.82° γ: 90°
R-values:
R R work R free
0.117 0.116 0.126
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

3 review citations

Low barrier hydrogen bonds in protein structure and function.
Kemp et al. (2021)
2 more

2 mentions without citation

Discovery of an Orally Available Diazabicyclooctane Inhibitor (ETX0282) of Class A, C, and D Serine β-Lactamases.
Durand-Réville et al. (2020)
1 more