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Yorodumi- PDB-3i2o: Crystal Structure of AlkB in complex with Fe(II), 2-oxoglutarate ... -
+Open data
-Basic information
Entry | Database: PDB / ID: 3i2o | ||||||
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Title | Crystal Structure of AlkB in complex with Fe(II), 2-oxoglutarate and methylated trinucleotide T-meA-T | ||||||
Components |
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Keywords | OXIDOREDUCTASE/DNA / beta jellyroll / protein-DNA complex / Dioxygenase / DNA damage / DNA repair / Iron / Metal-binding / Oxidoreductase / OXIDOREDUCTASE-DNA COMPLEX | ||||||
Function / homology | Function and homology information response to methyl methanesulfonate / oxidative RNA demethylation / DNA oxidative demethylase / : / : / : / oxidative RNA demethylase activity / broad specificity oxidative DNA demethylase activity / RNA repair / DNA alkylation repair ...response to methyl methanesulfonate / oxidative RNA demethylation / DNA oxidative demethylase / : / : / : / oxidative RNA demethylase activity / broad specificity oxidative DNA demethylase activity / RNA repair / DNA alkylation repair / oxidative demethylation / DNA demethylation / dioxygenase activity / ferrous iron binding / DNA repair / cytoplasm Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.7 Å | ||||||
Authors | Yu, B. / Hunt, J.F. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2009 Title: Enzymological and structural studies of the mechanism of promiscuous substrate recognition by the oxidative DNA repair enzyme AlkB. Authors: Yu, B. / Hunt, J.F. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 3i2o.cif.gz | 59.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb3i2o.ent.gz | 41.4 KB | Display | PDB format |
PDBx/mmJSON format | 3i2o.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/i2/3i2o ftp://data.pdbj.org/pub/pdb/validation_reports/i2/3i2o | HTTPS FTP |
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-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 23610.975 Da / Num. of mol.: 1 / Fragment: UNP residues 12-216 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K-12 / Gene: aidD, alkB, b2212, JW2200 / Plasmid: pET26b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) References: UniProt: P05050, Oxidoreductases; Acting on paired donors, with incorporation or reduction of molecular oxygen; With 2-oxoglutarate as one donor, and incorporation of one atom of oxygen into each donor |
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#2: DNA chain | Mass: 891.669 Da / Num. of mol.: 1 / Source method: obtained synthetically Details: oligonucleotide trimer chemically synthesized with methyl adduct on N1 of central adenine base |
#3: Chemical | ChemComp-AKG / |
#4: Chemical | ChemComp-FE2 / |
#5: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.05 Å3/Da / Density % sol: 39.97 % |
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Crystal grow | Temperature: 298 K / Method: vapor diffusion, hanging drop Details: PEG 3350, sodium formate, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
-Data collection
Diffraction source | Source: SYNCHROTRON / Site: NSLS / Beamline: X4C / Wavelength: 0.97947 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Detector | Detector: CCD / Date: Nov 15, 2006 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation | Protocol: SINGLE WAVELENGTH / Scattering type: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Radiation wavelength | Wavelength: 0.97947 Å / Relative weight: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection | Resolution: 1.7→50 Å / Num. obs: 20972 / % possible obs: 100 % / Redundancy: 8.4 % / Rmerge(I) obs: 0.165 / Χ2: 1.872 / Net I/σ(I): 6.3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Reflection shell |
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-Phasing
Phasing | Method: molecular replacement | ||||||
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Phasing MR | Rfactor: 33.6 / Cor.coef. Fo:Fc: 60.79
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-Processing
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.7→33.44 Å / Rfactor Rfree error: 0.005 / Occupancy max: 1 / Occupancy min: 1 / FOM work R set: 0.88 / Data cutoff high absF: 1337983 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 1
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 58.976 Å2 / ksol: 0.389 e/Å3 | ||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 114.68 Å2 / Biso mean: 20.056 Å2 / Biso min: 6.19 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.7→33.44 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.7→1.81 Å / Rfactor Rfree error: 0.015 / Total num. of bins used: 6
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Xplor file |
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