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Yorodumi- PDB-3eck: Structure of E323L Homoprotocatechuate 2,3-dioxygenase from Brevi... -
+Open data
-Basic information
Entry | Database: PDB / ID: 3eck | ||||||
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Title | Structure of E323L Homoprotocatechuate 2,3-dioxygenase from Brevibacterium fuscum in complex with putative O-O bond cleavage intermediate formed via in crystallo reaction with 4-sulfonyl catechol at low oxygen concentrations | ||||||
Components | PROTEIN (Homoprotocatechuate 2,3-dioxygenase) | ||||||
Keywords | OXIDOREDUCTASE / oxygenase / extradiol / FeII / crystal packing / Dioxygenase | ||||||
Function / homology | Function and homology information | ||||||
Biological species | Brevibacterium fuscum (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.6 Å | ||||||
Authors | Kovaleva, E.G. / Lipscomb, J.D. | ||||||
Citation | Journal: Biochemistry / Year: 2008 Title: Intermediate in the O-O Bond Cleavage Reaction of an Extradiol Dioxygenase. Authors: Kovaleva, E.G. / Lipscomb, J.D. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3eck.cif.gz | 327.1 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3eck.ent.gz | 265.8 KB | Display | PDB format |
PDBx/mmJSON format | 3eck.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/ec/3eck ftp://data.pdbj.org/pub/pdb/validation_reports/ec/3eck | HTTPS FTP |
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-Related structure data
Related structure data | 3ecjC 2ig9S 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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1 |
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Unit cell |
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-Components
-Protein , 1 types, 4 molecules ABCD
#1: Protein | Mass: 41739.363 Da / Num. of mol.: 4 / Mutation: E323L Source method: isolated from a genetically manipulated source Source: (gene. exp.) Brevibacterium fuscum (bacteria) / Strain: ATCC 15993 / Gene: hpcd / Plasmid: pYZW204 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) References: UniProt: Q45135, 3,4-dihydroxyphenylacetate 2,3-dioxygenase |
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-Non-polymers , 6 types, 1410 molecules
#2: Chemical | ChemComp-FE2 / #3: Chemical | ChemComp-CL / #4: Chemical | ChemComp-GOL / #5: Chemical | ChemComp-CA / | #6: Chemical | #7: 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: 2.74 Å3/Da / Density % sol: 55.16 % |
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Crystal grow | Temperature: 292 K / Method: vapor diffusion, hanging drop / pH: 7 Details: 18% PEG8000, 0.1M Ca acetate, 0.1M Na cacodylate, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 292K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 19-BM / Wavelength: 0.97903 Å |
Detector | Type: SBC-3 / Detector: CCD / Date: Jun 17, 2007 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97903 Å / Relative weight: 1 |
Reflection | Resolution: 1.6→55 Å / Num. all: 240583 / Num. obs: 222399 / % possible obs: 92.4 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 4.1 % / Rmerge(I) obs: 0.052 / Rsym value: 0.052 / Net I/σ(I): 19.22 |
Reflection shell | Resolution: 1.6→1.66 Å / Redundancy: 3.3 % / Rmerge(I) obs: 0.342 / Mean I/σ(I) obs: 3.067 / Num. unique all: 17442 / % possible all: 73.2 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ID 2IG9 Resolution: 1.6→24.2 Å / Cor.coef. Fo:Fc: 0.968 / Cor.coef. Fo:Fc free: 0.96 / SU B: 1.553 / SU ML: 0.054 / Cross valid method: THROUGHOUT / ESU R: 0.085 / ESU R Free: 0.083 / 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: 1.4 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 19.045 Å2
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Refinement step | Cycle: LAST / Resolution: 1.6→24.2 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.601→1.642 Å / Total num. of bins used: 20
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