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Yorodumi- PDB-1tk0: T7 DNA polymerase ternary complex with 8 oxo guanosine and ddCTP ... -
+Open data
-Basic information
Entry | Database: PDB / ID: 1tk0 | ||||||
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Title | T7 DNA polymerase ternary complex with 8 oxo guanosine and ddCTP at the insertion site | ||||||
Components |
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Keywords | TRANSFERASE/ELECTRON TRANSPORT/DNA / 8 oxo guanosine / DNA polymerase / TRANSFERASE-ELECTRON TRANSPORT-DNA COMPLEX | ||||||
Function / homology | Function and homology information DNA synthesis involved in DNA replication / DNA exonuclease activity / viral DNA genome replication / Hydrolases; Acting on ester bonds; Exodeoxyribonucleases producing 5'-phosphomonoesters / DNA polymerase processivity factor activity / protein-disulfide reductase activity / 3'-5' exonuclease activity / cell redox homeostasis / DNA-templated DNA replication / DNA-directed DNA polymerase ...DNA synthesis involved in DNA replication / DNA exonuclease activity / viral DNA genome replication / Hydrolases; Acting on ester bonds; Exodeoxyribonucleases producing 5'-phosphomonoesters / DNA polymerase processivity factor activity / protein-disulfide reductase activity / 3'-5' exonuclease activity / cell redox homeostasis / DNA-templated DNA replication / DNA-directed DNA polymerase / DNA-directed DNA polymerase activity / nucleotide binding / DNA binding / metal ion binding / cytosol / cytoplasm Similarity search - Function | ||||||
Biological species | Enterobacteria phage T7 (virus) Escherichia coli (E. coli) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.3 Å | ||||||
Authors | Brieba, L.G. / Eichman, B.F. / Kokoska, R.J. / Doublie, S. / Kunkel, T.A. / Ellenberger, T. | ||||||
Citation | Journal: Embo J. / Year: 2004 Title: Structural basis for the dual coding potential of 8-oxoguanosine by a high-fidelity DNA polymerase. Authors: Brieba, L.G. / Eichman, B.F. / Kokoska, R.J. / Doublie, S. / Kunkel, T.A. / Ellenberger, T. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1tk0.cif.gz | 206.4 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1tk0.ent.gz | 155.2 KB | Display | PDB format |
PDBx/mmJSON format | 1tk0.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/tk/1tk0 ftp://data.pdbj.org/pub/pdb/validation_reports/tk/1tk0 | HTTPS FTP |
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-Related structure data
Related structure data | 1t8eC 1tk5C 1tk8C 1tkdC 1t7pS 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
-DNA chain , 2 types, 2 molecules PT
#1: DNA chain | Mass: 6764.397 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: primer strand |
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#2: DNA chain | Mass: 7939.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: template strand |
-Protein , 2 types, 2 molecules AB
#3: Protein | Mass: 79089.789 Da / Num. of mol.: 1 / Mutation: deletion 118-123 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Enterobacteria phage T7 (virus) / Genus: T7-like viruses / Gene: 5 / Plasmid: pGP5 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL-21 / References: UniProt: P00581, DNA-directed DNA polymerase |
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#4: Protein | Mass: 11687.388 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Escherichia coli (E. coli) Gene: TRXA, TSNC, FIPA, B3781, C4701, Z5291, ECS4714, STM3915, STMD1.75, STY3639, T3381, SF3854, S3905 Species (production host): Escherichia coli / Production host: Escherichia coli BL21 (bacteria) / Strain (production host): BL21 / References: UniProt: P0AA25 |
-Non-polymers , 6 types, 541 molecules
#5: Chemical | #6: Chemical | #7: Chemical | ChemComp-DCT / | #8: Chemical | ChemComp-1PE / | #9: Chemical | ChemComp-MES / | #10: 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: 3 Å3/Da / Density % sol: 58.3 % |
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Crystal grow | Temperature: 294 K / Method: vapor diffusion, hanging drop / pH: 7.5 Details: PEG8000, Amonium Sulfate, PEG400, Ethylene Glycol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 21K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: NSLS / Beamline: X26C / Wavelength: 1.1 Å |
Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Jan 28, 2004 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.1 Å / Relative weight: 1 |
Reflection | Resolution: 2.3→50 Å / Num. obs: 51127 / % possible obs: 93.3 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 5 / Redundancy: 7 % / Biso Wilson estimate: 25.1 Å2 / Rsym value: 0.075 / Net I/σ(I): 23.8 |
Reflection shell | Resolution: 2.3→2.38 Å / % possible obs: 66.1 % / Redundancy: 2.9 % / Mean I/σ(I) obs: 5.1 / Num. unique all: 51127 / Rsym value: 0.224 / % possible all: 93.3 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1T7P Resolution: 2.3→35.85 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 2122174.09 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 42.6982 Å2 / ksol: 0.334463 e/Å3 | ||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 38 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.3→35.85 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.3→2.44 Å / Rfactor Rfree error: 0.016 / Total num. of bins used: 6
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Xplor file |
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