› 5ul8

X-ray diffraction
1.15Å resolution

Apo KPC-2 beta-lactamase crystal structure at 1.15 Angstrom resolution

Released:
DOI: 10.2210/pdb5ul8/pdb
PDB entry 5ul8 coloured by chain, front view.
PDB entry 5ul8 coloured by chain, side view.
PDB entry 5ul8 coloured by chain, top view.
Source organism: Klebsiella pneumoniae
Primary publication:
Molecular Basis of Substrate Recognition and Product Release by the Klebsiella pneumoniae Carbapenemase (KPC-2).
Pemberton OA, Zhang X, Chen Y
J Med Chem 60 3525-3530 (2017)
PMID: 28388065

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-190259 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Carbapenem-hydrolyzing beta-lactamase KPC Chain: A
Molecule details ›
Chain: A
Length: 290 amino acids
Theoretical weight: 30.81 KDa
Source organism: Klebsiella pneumoniae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9F663 (Residues: 25-293; Coverage: 100%)
Gene names: bla, kpc, kpc1
Sequence domains:
Structure domains: DD-peptidase/beta-lactamase superfamily

Ligands and Environments

2 bound ligands:
Ligand SO4 4 x SO4
Ligand GOL 1 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Unit cell:
a: 55.8Å b: 60.2Å c: 78.62Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.123 0.122 0.139
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

12 citation in other articles

Emergence of a KPC Variant Conferring Resistance to Ceftazidime-Avibactam in a Widespread ST11 Carbapenem-Resistant Klebsiella pneumoniae Clone in China.
Li et al. (2021)
11 more

19 mentions without citation

Klebsiella pneumoniae Carbapenemase Variants Resistant to Ceftazidime-Avibactam: an Evolutionary Overview.
Hobson et al. (2022)
18 more