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Open data
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Basic information
| Entry | Database: PDB / ID: 7xqk | ||||||
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| Title | The Crystal Structure of CDK3 and CyclinE1 Complex from Biortus. | ||||||
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Keywords | CELL CYCLE / complex | ||||||
| Function / homology | Function and homology informationpositive regulation of mesenchymal stem cell proliferation / G0 to G1 transition / homologous chromosome pairing at meiosis / RHOBTB3 ATPase cycle / cyclin-dependent protein serine/threonine kinase regulator activity / cyclin E1-CDK2 complex / Phosphorylation of proteins involved in G1/S transition by active Cyclin E:Cdk2 complexes / p53-Dependent G1 DNA Damage Response / G1/S-Specific Transcription / PTK6 Regulates Cell Cycle ...positive regulation of mesenchymal stem cell proliferation / G0 to G1 transition / homologous chromosome pairing at meiosis / RHOBTB3 ATPase cycle / cyclin-dependent protein serine/threonine kinase regulator activity / cyclin E1-CDK2 complex / Phosphorylation of proteins involved in G1/S transition by active Cyclin E:Cdk2 complexes / p53-Dependent G1 DNA Damage Response / G1/S-Specific Transcription / PTK6 Regulates Cell Cycle / Association of TriC/CCT with target proteins during biosynthesis / Defective binding of RB1 mutants to E2F1,(E2F2, E2F3) / microtubule organizing center / glutathione transferase / G0 and Early G1 / glutathione transferase activity / negative regulation of Notch signaling pathway / DNA replication initiation / positive regulation of G1/S transition of mitotic cell cycle / cyclin-dependent kinase / cyclin-dependent protein serine/threonine kinase activity / TP53 Regulates Transcription of Genes Involved in G1 Cell Cycle Arrest / Cyclin E associated events during G1/S transition / cyclin-dependent protein kinase holoenzyme complex / regulation of G2/M transition of mitotic cell cycle / glutathione metabolic process / telomere maintenance / cyclin binding / G1/S transition of mitotic cell cycle / DNA Damage/Telomere Stress Induced Senescence / CDK-mediated phosphorylation and removal of Cdc6 / SCF(Skp2)-mediated degradation of p27/p21 / Wnt signaling pathway / Cyclin D associated events in G1 / kinase activity / regulation of protein localization / regulation of gene expression / cell population proliferation / protein phosphorylation / cell division / protein serine kinase activity / DNA damage response / protein kinase binding / negative regulation of transcription by RNA polymerase II / signal transduction / nucleoplasm / ATP binding / nucleus / cytoplasm / cytosol Similarity search - Function | ||||||
| Biological species | ![]() Homo sapiens (human) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.25 Å | ||||||
Authors | Gui, W. / Wang, F. / Cheng, W. / Gao, J. / Huang, Y. | ||||||
| Funding support | 1items
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Citation | Journal: Biochem.Biophys.Res.Commun. / Year: 2023Title: Structural basis of CDK3 activation by cyclin E1 and inhibition by dinaciclib. Authors: Gui, W. / Hang, Y. / Cheng, W. / Gao, M. / Wu, J. / Ouyang, Z. | ||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 7xqk.cif.gz | 156.1 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb7xqk.ent.gz | 111.6 KB | Display | PDB format |
| PDBx/mmJSON format | 7xqk.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/xq/7xqk ftp://data.pdbj.org/pub/pdb/validation_reports/xq/7xqk | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 8h4rC ![]() 4eojS S: Starting model for refinement C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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| 1 |
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| Unit cell |
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Components
-Protein , 2 types, 2 molecules AB
| #1: Protein | Mass: 61776.453 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Homo sapiens (human)Gene: CDK3, CDKN3 / Production host: ![]() References: UniProt: P08515, UniProt: Q00526, glutathione transferase, cyclin-dependent kinase |
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| #2: Protein | Mass: 35718.312 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: CCNE1, CCNE / Production host: ![]() |
-Non-polymers , 4 types, 443 molecules 






| #3: Chemical | ChemComp-SO4 / #4: Chemical | #5: Chemical | ChemComp-MES / | #6: Water | ChemComp-HOH / | |
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-Details
| Has ligand of interest | N |
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| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.69 Å3/Da / Density % sol: 54.35 % |
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| Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop / Details: 1.6M MgSO4, 0.1M MES pH6.5 |
-Data collection
| Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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| Diffraction source | Source: SYNCHROTRON / Site: CLSI / Beamline: 08B1-1 / Wavelength: 1.18078 Å |
| Detector | Type: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Mar 20, 2022 |
| Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 1.18078 Å / Relative weight: 1 |
| Reflection | Resolution: 2.25→44.5 Å / Num. obs: 49467 / % possible obs: 100 % / Redundancy: 10.2 % / CC1/2: 0.998 / Rmerge(I) obs: 0.139 / Net I/σ(I): 15.9 |
| Reflection shell | Resolution: 2.25→2.32 Å / Rmerge(I) obs: 0.973 / Mean I/σ(I) obs: 2.7 / Num. unique obs: 4563 / CC1/2: 0.797 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 4EOJ Resolution: 2.25→44.5 Å / Cor.coef. Fo:Fc: 0.963 / Cor.coef. Fo:Fc free: 0.938 / SU B: 3.962 / SU ML: 0.099 / Cross valid method: FREE R-VALUE / ESU R: 0.162 / ESU R Free: 0.153 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: 38.105 Å2
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| Refinement step | Cycle: LAST / Resolution: 2.25→44.5 Å
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| Refine LS restraints |
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| LS refinement shell |
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Homo sapiens (human)
X-RAY DIFFRACTION
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