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TitleStructural Characterization of the D179N and D179Y Variants of KPC-2 beta-Lactamase: Omega-Loop Destabilization as a Mechanism of Resistance to Ceftazidime-Avibactam.
Journal, issue, pagesAntimicrob. Agents Chemother., Vol. 66, Page e0241421-e0241421, Year 2022
Publish dateDec 21, 2021 (structure data deposition date)
AuthorsAlsenani, T.A. / Viviani, S.L. / Kumar, V. / Taracila, M.A. / Bethel, C.R. / Barnes, M.D. / Papp-Wallace, K.M. / Shields, R.K. / Nguyen, M.H. / Clancy, C.J. ...Alsenani, T.A. / Viviani, S.L. / Kumar, V. / Taracila, M.A. / Bethel, C.R. / Barnes, M.D. / Papp-Wallace, K.M. / Shields, R.K. / Nguyen, M.H. / Clancy, C.J. / Bonomo, R.A. / van den Akker, F.
External linksAntimicrob. Agents Chemother. / PubMed:35341315
MethodsX-ray diffraction
Resolution0.99 - 3.16 Å
Structure data

PDB-7tb7:
Crystal structure of D179N KPC-2 beta-lactamase
Method: X-RAY DIFFRACTION / Resolution: 0.99 Å

PDB-7tbx:
Crystal structure of D179Y KPC-2 beta-lactamase
Method: X-RAY DIFFRACTION / Resolution: 3.16 Å

PDB-7tc1:
Crystal structure of D179N KPC-2 beta-lactamase in complex with vaborbactam
Method: X-RAY DIFFRACTION / Resolution: 1.16 Å

Chemicals

ChemComp-CIT:
CITRIC ACID

ChemComp-HOH:
WATER

ChemComp-4D6:
Vaborbactam / antibiotic, inhibitor*YM

ChemComp-PO4:
PHOSPHATE ION

Source
  • klebsiella pneumoniae (bacteria)
KeywordsHYDROLASE / beta-lactamase / antibiotic resistance

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