+Open data
-Basic information
Entry | Database: PDB / ID: 7ljk | ||||||
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Title | Crystal structure of the deacylation deficient KPC-2 F72Y mutant | ||||||
Components | Beta-lactamase | ||||||
Keywords | HYDROLASE / KPC / Carbapenemase / Beta-lactamase / Antibiotic Resistance / Enzyme / Beta-lactam / antibiotics | ||||||
Function / homology | Beta-lactamase class A, catalytic domain / Beta-lactamase enzyme family / beta-lactam antibiotic catabolic process / Beta-lactamase, class-A / Beta-lactamase/transpeptidase-like / beta-lactamase activity / beta-lactamase / response to antibiotic / beta-lactamase Function and homology information | ||||||
Biological species | Klebsiella pneumoniae (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.81 Å | ||||||
Authors | Furey, I. / Palzkill, T. / Sankaran, B. / Hu, L. / Prasad, B.V.V. | ||||||
Funding support | United States, 1items
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Citation | Journal: J.Biol.Chem. / Year: 2021 Title: Local interactions with the Glu166 base and the conformation of an active site loop play key roles in carbapenem hydrolysis by the KPC-2 beta-lactamase. Authors: Furey, I.M. / Mehta, S.C. / Sankaran, B. / Hu, L. / Prasad, B.V.V. / Palzkill, T. #1: Journal: J Med Chem / Year: 2018 Title: Strategic Approaches to Overcome Resistance against Gram-Negative Pathogens Using Beta-Lactamase Inhibitors and Beta-Lactam Enhancers: Activity of Three Novel Diazabicyclooctanes WCK 5153, ...Title: Strategic Approaches to Overcome Resistance against Gram-Negative Pathogens Using Beta-Lactamase Inhibitors and Beta-Lactam Enhancers: Activity of Three Novel Diazabicyclooctanes WCK 5153, Zidebactam (WCK 5107), and WCK 4234. Authors: Papp-Wallace, K.M. / Nguyen, N.Q. / Jacobs, M.R. / Bethel, C.R. / Barnes, M.D. / Kumar, V. / Bajaksouzian, S. / Rudin, S.D. / Rather, P.N. / Bhavsar, S. / Ravikumar, T. / Deshpande, P.K. / ...Authors: Papp-Wallace, K.M. / Nguyen, N.Q. / Jacobs, M.R. / Bethel, C.R. / Barnes, M.D. / Kumar, V. / Bajaksouzian, S. / Rudin, S.D. / Rather, P.N. / Bhavsar, S. / Ravikumar, T. / Deshpande, P.K. / Patil, V. / Yeole, R. / Bhagwat, S.S. / Patel, M.V. / van den Akker, F. / Bonomo, R.A. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7ljk.cif.gz | 259.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7ljk.ent.gz | 170.4 KB | Display | PDB format |
PDBx/mmJSON format | 7ljk.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7ljk_validation.pdf.gz | 419.1 KB | Display | wwPDB validaton report |
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Full document | 7ljk_full_validation.pdf.gz | 419.7 KB | Display | |
Data in XML | 7ljk_validation.xml.gz | 23 KB | Display | |
Data in CIF | 7ljk_validation.cif.gz | 34.5 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/lj/7ljk ftp://data.pdbj.org/pub/pdb/validation_reports/lj/7ljk | HTTPS FTP |
-Related structure data
Related structure data | 7lk8C 7llbC 7llhC 7lnlC 3c5aS S: Starting model for refinement C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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2 |
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Unit cell |
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-Components
#1: Protein | Mass: 28008.506 Da / Num. of mol.: 2 / Mutation: F72Y Source method: isolated from a genetically manipulated source Source: (gene. exp.) Klebsiella pneumoniae (bacteria) Gene: KPC-2, bla, bla_1, bla_4, blaKPC, blaKPC-2, kpc2, B4U25_43300, BANRA_05566, C2U49_28140, C3F39_16210, C3F39_28515, C3F39_28975, C4Y50_021815, CK508_026140, DM059_13800, DM060_30440, DM078_ ...Gene: KPC-2, bla, bla_1, bla_4, blaKPC, blaKPC-2, kpc2, B4U25_43300, BANRA_05566, C2U49_28140, C3F39_16210, C3F39_28515, C3F39_28975, C4Y50_021815, CK508_026140, DM059_13800, DM060_30440, DM078_27040, DN589_26110, EAO17_31575, FKC87_27985, GF489_24625, GS419_28405, IPF_358, KP64477d_00006, KPC_069, p628KPC_020, pCRE79_15, pCT-KPC_129, pFOS18_014, pkp469IL_0095, pkp53il_00095, SAMEA3649709_04840, SAMEA3649772_05181, UC330_005, UC332_005, UC334_005 Production host: Escherichia coli (E. coli) / References: UniProt: Q93LQ9, beta-lactamase #2: Water | ChemComp-HOH / | Has protein modification | Y | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 1.85 Å3/Da / Density % sol: 33.59 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop / pH: 4.5 Details: 25% PEG 8,000, 0.1M KsCN, 0.1M Sodium Acetate pH:4.5 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: ALS / Beamline: 8.2.2 / Wavelength: 0.99999 Å |
Detector | Type: ADSC QUANTUM 315 / Detector: CCD / Date: Sep 27, 2018 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.99999 Å / Relative weight: 1 |
Reflection | Resolution: 1.81→37.15 Å / Num. obs: 32888 / % possible obs: 88.88 % / Redundancy: 1.8 % / Biso Wilson estimate: 6.99 Å2 / CC1/2: 0.986 / Rmerge(I) obs: 0.05725 / Net I/σ(I): 10.84 |
Reflection shell | Resolution: 1.81→1.875 Å / Num. unique obs: 3244 / CC1/2: 0.8763 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: 3C5A Resolution: 1.81→37.15 Å / SU ML: 0.1465 / Cross valid method: FREE R-VALUE / σ(F): 1.96 / Phase error: 19.4234 / Stereochemistry target values: CDL v1.2
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 10.75 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.81→37.15 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Origin x: 16.5512149977 Å / Origin y: 13.6164919473 Å / Origin z: 8.93250055521 Å
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Refinement TLS group | Selection details: all |