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Open data
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Basic information
Entry | Database: PDB / ID: 8roz | |||||||||
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Title | Cryo-EM structure of CDK2-cyclin A in complex with CDC25A | |||||||||
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![]() | CELL CYCLE / cell-cycle / CDK / phosphatase / cancer | |||||||||
Function / homology | ![]() positive regulation of G2/MI transition of meiotic cell cycle / cell cycle G1/S phase transition / mitotic cell cycle phase transition / Transcription of E2F targets under negative control by DREAM complex / Polo-like kinase mediated events / cyclin-dependent protein serine/threonine kinase regulator activity / regulation of cyclin-dependent protein serine/threonine kinase activity / Deregulated CDK5 triggers multiple neurodegenerative pathways in Alzheimer's disease models / cyclin A1-CDK2 complex / cyclin E2-CDK2 complex ...positive regulation of G2/MI transition of meiotic cell cycle / cell cycle G1/S phase transition / mitotic cell cycle phase transition / Transcription of E2F targets under negative control by DREAM complex / Polo-like kinase mediated events / cyclin-dependent protein serine/threonine kinase regulator activity / regulation of cyclin-dependent protein serine/threonine kinase activity / Deregulated CDK5 triggers multiple neurodegenerative pathways in Alzheimer's disease models / cyclin A1-CDK2 complex / cyclin E2-CDK2 complex / cyclin E1-CDK2 complex / cyclin A2-CDK2 complex / positive regulation of DNA-templated DNA replication initiation / G2 Phase / cyclin-dependent protein kinase activity / Y chromosome / Phosphorylation of proteins involved in G1/S transition by active Cyclin E:Cdk2 complexes / positive regulation of heterochromatin formation / p53-Dependent G1 DNA Damage Response / X chromosome / PTK6 Regulates Cell Cycle / regulation of DNA replication / regulation of anaphase-promoting complex-dependent catabolic process / Defective binding of RB1 mutants to E2F1,(E2F2, E2F3) / centriole replication / Regulation of APC/C activators between G1/S and early anaphase / phosphoprotein phosphatase activity / centrosome duplication / Telomere Extension By Telomerase / G0 and Early G1 / Activation of the pre-replicative complex / cellular response to nitric oxide / cyclin-dependent protein kinase holoenzyme complex / cyclin-dependent kinase / cyclin-dependent protein serine/threonine kinase activity / TP53 Regulates Transcription of Genes Involved in G1 Cell Cycle Arrest / Activation of ATR in response to replication stress / Cyclin E associated events during G1/S transition / Cyclin A/B1/B2 associated events during G2/M transition / Cajal body / Cyclin A:Cdk2-associated events at S phase entry / condensed chromosome / mitotic G1 DNA damage checkpoint signaling / regulation of mitotic cell cycle / regulation of G2/M transition of mitotic cell cycle / positive regulation of G2/M transition of mitotic cell cycle / cyclin binding / protein-tyrosine-phosphatase / post-translational protein modification / : / meiotic cell cycle / positive regulation of DNA replication / protein tyrosine phosphatase activity / male germ cell nucleus / Ubiquitin Mediated Degradation of Phosphorylated Cdc25A / potassium ion transport / response to radiation / DNA Damage/Telomere Stress Induced Senescence / CDK-mediated phosphorylation and removal of Cdc6 / Meiotic recombination / SCF(Skp2)-mediated degradation of p27/p21 / Orc1 removal from chromatin / G1/S transition of mitotic cell cycle / Transcriptional regulation of granulopoiesis / G2/M transition of mitotic cell cycle / Cyclin D associated events in G1 / cellular response to UV / cellular senescence / Regulation of TP53 Degradation / nuclear envelope / Factors involved in megakaryocyte development and platelet production / Processing of DNA double-strand break ends / protein-folding chaperone binding / Senescence-Associated Secretory Phenotype (SASP) / regulation of gene expression / peptidyl-serine phosphorylation / DNA replication / Regulation of TP53 Activity through Phosphorylation / cell population proliferation / transcription regulator complex / Ras protein signal transduction / chromosome, telomeric region / Ub-specific processing proteases / endosome / chromatin remodeling / protein domain specific binding / cell division / protein phosphorylation / DNA repair / protein serine kinase activity / protein serine/threonine kinase activity / DNA-templated transcription / centrosome / positive regulation of cell population proliferation / protein kinase binding / positive regulation of DNA-templated transcription / negative regulation of transcription by RNA polymerase II / magnesium ion binding / signal transduction / nucleoplasm Similarity search - Function | |||||||||
Biological species | ![]() ![]() ![]() | |||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.7 Å | |||||||||
![]() | Rowland, R.J. / Noble, M.E.M. / Endicott, J.A. | |||||||||
Funding support | ![]()
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![]() | ![]() Title: Cryo-EM structure of the CDK2-cyclin A-CDC25A Complex Authors: Rowland, R.J. / Korolchuk, S. / Salamina, M. / Ault, J.R. / Hart, S. / Turkenburg, J.P. / Blaza, J.N. / Noble, M.E.M. / Endicott, J.A. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 161.2 KB | Display | ![]() |
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PDB format | ![]() | 124.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.1 MB | Display | ![]() |
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Full document | ![]() | 1.1 MB | Display | |
Data in XML | ![]() | 37 KB | Display | |
Data in CIF | ![]() | 53.6 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 19408MC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Components
#1: Protein | Mass: 34136.449 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Details: Human cyclin dependant protein kinase 2 (CDK2) phosphorylated at Tyr15 and Thr160 Source: (gene. exp.) ![]() ![]() ![]() |
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#2: Protein | Mass: 30119.799 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Details: Bovine cyclin A2 / Source: (gene. exp.) ![]() ![]() ![]() ![]() |
#3: Protein | Mass: 22533.123 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Details: M-phase inducer phosphatase 1 (CDC25A) catalytic domain Source: (gene. exp.) ![]() ![]() ![]() |
Has ligand of interest | N |
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
Component | Name: Trimeric complex of CDK2-cyclin A-CDC25A / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT | ||||||||||||||||||||
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Molecular weight | Value: 0.086 MDa / Experimental value: YES | ||||||||||||||||||||
Source (natural) | Organism: ![]() | ||||||||||||||||||||
Source (recombinant) | Organism: ![]() ![]() | ||||||||||||||||||||
Buffer solution | pH: 7.4 / Details: 50 mM HEPES, 200 mM NaCl, 1 mM DTT, pH 7.4 | ||||||||||||||||||||
Buffer component |
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Specimen | Conc.: 1.8 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||
Specimen support | Details: Grids were glow discharged for 1min at 20 mAmp/0.26 mBar Grid material: COPPER / Grid mesh size: 200 divisions/in. / Grid type: Quantifoil R1.2/1.3 | ||||||||||||||||||||
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 80 % / Chamber temperature: 277 K |
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Electron microscopy imaging
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: TFS KRIOS |
Electron gun | Electron source: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal magnification: 150000 X / Nominal defocus max: 2000 nm / Nominal defocus min: 600 nm / Cs: 2.7 mm / C2 aperture diameter: 100 µm |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Average exposure time: 1.92 sec. / Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
EM imaging optics | Energyfilter name: GIF Bioquantum / Energyfilter slit width: 20 eV |
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Processing
EM software |
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CTF correction | Details: Patch CTF / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||||||||||||
Particle selection | Num. of particles selected: 4981705 | ||||||||||||||||||||||||||||||||||||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||||||||||||||||||||||||||||||||||||
3D reconstruction | Resolution: 2.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 670830 / Num. of class averages: 1 / Symmetry type: POINT | ||||||||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | B value: 144 / Protocol: AB INITIO MODEL / Space: REAL Details: A model was generated using ModelAngelo. Initial local fitting was performed in ChimerX followed by real space refinement in Phenix and manual fitting in coot. | ||||||||||||||||||||||||||||||||||||||||||||||||||
Atomic model building | Details: ModelAngelo / Source name: Other / Type: in silico model |