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Structure paper

TitleNatural variants modify Klebsiella pneumoniae carbapenemase (KPC) acyl-enzyme conformational dynamics to extend antibiotic resistance.
Journal, issue, pagesJ. Biol. Chem., Vol. 296, Page 100126-100126, Year 2020
Publish dateMay 14, 2020 (structure data deposition date)
AuthorsTooke, C.L. / Hinchliffe, P. / Bonomo, R.A. / Schofield, C.J. / Mulholland, A.J. / Spencer, J.
External linksJ. Biol. Chem. / PubMed:33257320
MethodsX-ray diffraction
Resolution1.24 - 1.4 Å
Structure data

PDB-6z21:
Crystal structure of deacylation mutant KPC-2 (E166Q)
Method: X-RAY DIFFRACTION / Resolution: 1.3 Å

PDB-6z22:
Crystal structure of deacylation mutant KPC-4 (E166Q)
Method: X-RAY DIFFRACTION / Resolution: 1.4 Å

PDB-6z23:
Acylenzyme complex of cefotaxime bound to deacylation mutant KPC-2 (E166Q)
Method: X-RAY DIFFRACTION / Resolution: 1.31 Å

PDB-6z24:
Acylenzyme complex of ceftazidime bound to deacylation mutant KPC-2 (E166Q)
Method: X-RAY DIFFRACTION / Resolution: 1.25 Å

PDB-6z25:
Acylenzyme complex of ceftazidime bound to deacylation mutant KPC-4 (E166Q)
Method: X-RAY DIFFRACTION / Resolution: 1.24 Å

Chemicals

ChemComp-GOL:
GLYCEROL

ChemComp-SO4:
SULFATE ION

ChemComp-CL:
Unknown entry

ChemComp-HOH:
WATER

ChemComp-CEF:
CEFOTAXIME, C3' cleaved, open, bound form / antibiotic*YM

ChemComp-CAZ:
ACYLATED CEFTAZIDIME

Source
  • klebsiella pneumoniae (bacteria)
KeywordsANTIMICROBIAL PROTEIN / beta-lactamase / antibiotic resistance / mutant / carbapenemase. / unliganded beta-lactamase / 3-layer alpha-beta-alpha sandwich / part of the DD-peptidase and beta-lactamase superfamily.

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