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Yorodumi- PDB-4oqg: Crystal structure of TEM-1 beta-lactamase in complex with boron-b... -
+Open data
-Basic information
Entry | Database: PDB / ID: 4oqg | ||||||
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Title | Crystal structure of TEM-1 beta-lactamase in complex with boron-based inhibitor EC25 | ||||||
Components | Ampicillin resistance protein | ||||||
Keywords | hydrolase/hydrolase inhibitor / Beta-lactamase / hydrolase-hydrolase inhibitor complex | ||||||
Function / homology | Function and homology information beta-lactam antibiotic catabolic process / beta-lactamase activity / beta-lactamase / response to antibiotic Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.4 Å | ||||||
Authors | Dellus-Gur, E. / Elias, M. / Fraser, J.S. / Tawfik, D.S. | ||||||
Citation | Journal: J. Mol. Biol. / Year: 2015 Title: Negative Epistasis and Evolvability in TEM-1 beta-Lactamase--The Thin Line between an Enzyme's Conformational Freedom and Disorder. Authors: Dellus-Gur, E. / Elias, M. / Caselli, E. / Prati, F. / Salverda, M.L. / de Visser, J.A. / Fraser, J.S. / Tawfik, D.S. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4oqg.cif.gz | 306 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4oqg.ent.gz | 251.7 KB | Display | PDB format |
PDBx/mmJSON format | 4oqg.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/oq/4oqg ftp://data.pdbj.org/pub/pdb/validation_reports/oq/4oqg | HTTPS FTP |
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-Related structure data
Related structure data | 4op5C 4op8C 4opqC 4oprC 4opyC 4opzC 4oq0C 4oqhC 4oqiC 1zg4S C: citing same article (ref.) S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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Unit cell |
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-Components
#1: Protein | Mass: 28984.076 Da / Num. of mol.: 6 / Fragment: TEM-1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / Gene: bla, blaTEM-116 / Production host: Escherichia coli (E. coli) / References: UniProt: Q79DR3, beta-lactamase #2: Chemical | ChemComp-2UL / #3: Chemical | ChemComp-ZN / | #4: Water | ChemComp-HOH / | |
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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: 2.39 Å3/Da / Density % sol: 48.5 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.2 Details: 6% PEG 8000, 100 mM MES buffer, 200mM Ca(OAc)2 and 50 M NaF, pH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: ESRF / Beamline: ID29 / Wavelength: 0.82658 |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.82658 Å / Relative weight: 1 |
Reflection | Resolution: 2.4→45.81 Å / Num. obs: 65358 / % possible obs: 96.4 % / Observed criterion σ(I): 3 / Redundancy: 5.06 % / Rsym value: 0.071 / Net I/σ(I): 14.64 |
Reflection shell | Resolution: 2.4→2.5 Å / Redundancy: 4.66 % / Mean I/σ(I) obs: 3 / Rsym value: 0.539 / % possible all: 97.8 |
-Processing
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1ZG4 Resolution: 2.4→45.81 Å / Cor.coef. Fo:Fc: 0.951 / Cor.coef. Fo:Fc free: 0.922 / SU B: 9.976 / SU ML: 0.226 / Cross valid method: THROUGHOUT / ESU R: 0.498 / ESU R Free: 0.291 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 52.98 Å2
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Refinement step | Cycle: LAST / Resolution: 2.4→45.81 Å
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Refine LS restraints |
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