+Open data
-Basic information
Entry | Database: PDB / ID: 7qfn | |||||||||
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Title | Human Topoisomerase II Beta ATPase ADP | |||||||||
Components | DNA topoisomerase 2-beta | |||||||||
Keywords | DNA BINDING PROTEIN / DNA Topoisomerase II Beta / Human / ATPase Domain / TOP2B | |||||||||
Function / homology | Function and homology information positive regulation of single stranded viral RNA replication via double stranded DNA intermediate / sister chromatid segregation / resolution of meiotic recombination intermediates / DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity / DNA topoisomerase (ATP-hydrolysing) / positive regulation of double-strand break repair via nonhomologous end joining / cellular response to ATP / DNA topological change / SUMOylation of DNA replication proteins / ribonucleoprotein complex binding ...positive regulation of single stranded viral RNA replication via double stranded DNA intermediate / sister chromatid segregation / resolution of meiotic recombination intermediates / DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity / DNA topoisomerase (ATP-hydrolysing) / positive regulation of double-strand break repair via nonhomologous end joining / cellular response to ATP / DNA topological change / SUMOylation of DNA replication proteins / ribonucleoprotein complex binding / forebrain development / axonogenesis / B cell differentiation / neuron migration / cellular response to hydrogen peroxide / cellular senescence / ribonucleoprotein complex / chromatin binding / nucleolus / DNA binding / nucleoplasm / ATP binding / nucleus / metal ion binding / cytosol Similarity search - Function | |||||||||
Biological species | Homo sapiens (human) | |||||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.621 Å | |||||||||
Authors | Ling, E.M. / Basle, A. / Cowell, I.G. / Blower, T.R. / Austin, C.A. | |||||||||
Funding support | 1items
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Citation | Journal: Structure / Year: 2022 Title: A comprehensive structural analysis of the ATPase domain of human DNA topoisomerase II beta bound to AMPPNP, ADP, and the bisdioxopiperazine, ICRF193. Authors: Ling, E.M. / Basle, A. / Cowell, I.G. / van den Berg, B. / Blower, T.R. / Austin, C.A. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7qfn.cif.gz | 377.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7qfn.ent.gz | 234.8 KB | Display | PDB format |
PDBx/mmJSON format | 7qfn.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7qfn_validation.pdf.gz | 1.2 MB | Display | wwPDB validaton report |
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Full document | 7qfn_full_validation.pdf.gz | 1.2 MB | Display | |
Data in XML | 7qfn_validation.xml.gz | 15.6 KB | Display | |
Data in CIF | 7qfn_validation.cif.gz | 20.7 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qf/7qfn ftp://data.pdbj.org/pub/pdb/validation_reports/qf/7qfn | HTTPS FTP |
-Related structure data
Related structure data | 7qfoC 7zbgC C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 45937.906 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: TOP2B / Production host: Escherichia coli (E. coli) References: UniProt: Q02880, DNA topoisomerase (ATP-hydrolysing) | ||||||
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#2: Chemical | ChemComp-ADP / | ||||||
#3: Chemical | #4: Chemical | ChemComp-MG / | #5: Water | ChemComp-HOH / | Has ligand of interest | Y | |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.22 Å3/Da / Density % sol: 44.69 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop Details: 0.2 M ammonium sulphate, 0.1 M bis tris (pH 5.5), 25 % w/v PEG 3350 |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: SYNCHROTRON / Site: Diamond / Beamline: I03 / Wavelength: 0.9796 Å |
Detector | Type: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Jul 7, 2021 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9796 Å / Relative weight: 1 |
Reflection | Resolution: 2.62→89.22 Å / Num. obs: 12596 / % possible obs: 100 % / Redundancy: 10.8 % / CC1/2: 0.997 / Net I/σ(I): 9 |
Reflection shell | Resolution: 2.62→2.74 Å / Redundancy: 11 % / Mean I/σ(I) obs: 1.7 / Num. unique obs: 1513 / CC1/2: 0.78 / % possible all: 100 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: D_1292119290 Resolution: 2.621→89.219 Å / Cor.coef. Fo:Fc: 0.942 / Cor.coef. Fo:Fc free: 0.919 / WRfactor Rfree: 0.236 / WRfactor Rwork: 0.179 / SU B: 32.249 / SU ML: 0.3 / Average fsc free: 0.9473 / Average fsc work: 0.9677 / Cross valid method: FREE R-VALUE / ESU R: 1.673 / ESU R Free: 0.34 Details: Hydrogens have been added in their 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 BULK SOLVENT | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 60.189 Å2
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Refinement step | Cycle: LAST / Resolution: 2.621→89.219 Å
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Refine LS restraints |
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Origin x: 24.1147 Å / Origin y: 28.7573 Å / Origin z: 15.0194 Å
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Refinement TLS group | Selection: ALL |