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- PDB-8rok: Human cohesin SMC3-HD(EQ)/RAD21-N complex - ATP-Mg-bound conforma... -
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Basic information
Entry | Database: PDB / ID: 8rok | ||||||||||||||||||||||||
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Title | Human cohesin SMC3-HD(EQ)/RAD21-N complex - ATP-Mg-bound conformation - Form 1 | ||||||||||||||||||||||||
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![]() | NUCLEAR PROTEIN / 3D genome organization / Chromatin / Cohesin / ATPase activity / ATPase cycle | ||||||||||||||||||||||||
Function / homology | ![]() negative regulation of mitotic metaphase/anaphase transition / Cohesin Loading onto Chromatin / meiotic cohesin complex / Establishment of Sister Chromatid Cohesion / establishment of meiotic sister chromatid cohesion / cohesin complex / positive regulation of sister chromatid cohesion / mitotic cohesin complex / negative regulation of G2/M transition of mitotic cell cycle / negative regulation of glial cell apoptotic process ...negative regulation of mitotic metaphase/anaphase transition / Cohesin Loading onto Chromatin / meiotic cohesin complex / Establishment of Sister Chromatid Cohesion / establishment of meiotic sister chromatid cohesion / cohesin complex / positive regulation of sister chromatid cohesion / mitotic cohesin complex / negative regulation of G2/M transition of mitotic cell cycle / negative regulation of glial cell apoptotic process / lateral element / mediator complex binding / replication-born double-strand break repair via sister chromatid exchange / establishment of mitotic sister chromatid cohesion / chromatin looping / reciprocal meiotic recombination / microtubule motor activity / sister chromatid cohesion / negative regulation of interleukin-1 beta production / mitotic sister chromatid cohesion / lncRNA binding / stem cell population maintenance / dynein complex binding / mitotic spindle pole / beta-tubulin binding / regulation of DNA replication / positive regulation of interleukin-10 production / chromosome, centromeric region / negative regulation of tumor necrosis factor production / mitotic spindle assembly / SUMOylation of DNA damage response and repair proteins / protein localization to chromatin / Resolution of Sister Chromatid Cohesion / Meiotic synapsis / condensed nuclear chromosome / meiotic cell cycle / chromosome segregation / spindle pole / nuclear matrix / Separation of Sister Chromatids / double-strand break repair / mitotic cell cycle / chromosome / midbody / double-stranded DNA binding / DNA-binding transcription factor binding / DNA recombination / Estrogen-dependent gene expression / negative regulation of neuron apoptotic process / response to hypoxia / protein heterodimerization activity / cell division / DNA repair / apoptotic process / chromatin binding / regulation of transcription by RNA polymerase II / chromatin / ATP hydrolysis activity / DNA binding / nucleoplasm / ATP binding / nucleus / membrane / cytosol Similarity search - Function | ||||||||||||||||||||||||
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Method | ![]() ![]() ![]() | ||||||||||||||||||||||||
![]() | Vitoria Gomes, M. / Romier, C. | ||||||||||||||||||||||||
Funding support | ![]()
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![]() | ![]() Title: The cohesin ATPase cycle is mediated by specific conformational dynamics and interface plasticity of SMC1A and SMC3 ATPase domains. Authors: Marina Vitoria Gomes / Pauline Landwerlin / Marie-Laure Diebold-Durand / Tajith B Shaik / Alexandre Durand / Edouard Troesch / Chantal Weber / Karl Brillet / Marianne Victoria Lemée / ...Authors: Marina Vitoria Gomes / Pauline Landwerlin / Marie-Laure Diebold-Durand / Tajith B Shaik / Alexandre Durand / Edouard Troesch / Chantal Weber / Karl Brillet / Marianne Victoria Lemée / Christophe Decroos / Ludivine Dulac / Pierre Antony / Erwan Watrin / Eric Ennifar / Christelle Golzio / Christophe Romier / ![]() Abstract: Cohesin is key to eukaryotic genome organization and acts throughout the cell cycle in an ATP-dependent manner. The mechanisms underlying cohesin ATPase activity are poorly understood. Here, we ...Cohesin is key to eukaryotic genome organization and acts throughout the cell cycle in an ATP-dependent manner. The mechanisms underlying cohesin ATPase activity are poorly understood. Here, we characterize distinct steps of the human cohesin ATPase cycle and show that the SMC1A and SMC3 ATPase domains undergo specific but concerted structural rearrangements along this cycle. Specifically, whereas the proximal coiled coil of the SMC1A ATPase domain remains conformationally stable, that of the SMC3 displays an intrinsic flexibility. The ATP-dependent formation of the heterodimeric SMC1A/SMC3 ATPase module (engaged state) favors this flexibility, which is counteracted by NIPBL and DNA binding (clamped state). Opening of the SMC3/RAD21 interface (open-engaged state) stiffens the SMC3 proximal coiled coil, thus constricting together with that of SMC1A the ATPase module DNA-binding chamber. The plasticity of the ATP-dependent interface between the SMC1A and SMC3 ATPase domains enables these structural rearrangements while keeping the ATP gate shut. VIDEO ABSTRACT. | ||||||||||||||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 474.1 KB | Display | ![]() |
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PDB format | ![]() | 322.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Summary document | ![]() | 1.6 MB | Display | ![]() |
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Full document | ![]() | 1.6 MB | Display | |
Data in XML | ![]() | 39.9 KB | Display | |
Data in CIF | ![]() | 51.8 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 8p0aC ![]() 8pq5C ![]() 8ro6C ![]() 8ro7C ![]() 8ro8C ![]() 8ro9C ![]() 8roaC ![]() 8robC ![]() 8rocC ![]() 8rodC ![]() 8roeC ![]() 8rofC ![]() 8rogC ![]() 8rohC ![]() 8roiC ![]() 8rojC ![]() 8rolC 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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1 | ![]()
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2 | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 52391.367 Da / Num. of mol.: 2 / Mutation: E1144Q Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Protein | Mass: 12617.939 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #3: Chemical | #4: Chemical | #5: Water | ChemComp-HOH / | Has ligand of interest | Y | Has protein modification | N | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.42 Å3/Da / Density % sol: 49.15 % |
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, sitting drop Details: 0.3 M NaCl; 0.05 M L-Arginine; 0.1 M Tris pH7.5; 22.5 % v/v PEG Smear Broad; 0.05 M L-Glutamic acid monosodium salt hydrate |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS PILATUS 2M-F / Detector: PIXEL / Date: Nov 22, 2019 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.000002 Å / Relative weight: 1 |
Reflection | Resolution: 2.25→50 Å / Num. obs: 58135 / % possible obs: 98 % / Redundancy: 13.6 % / Biso Wilson estimate: 48.58 Å2 / CC1/2: 1 / Rmerge(I) obs: 0.098 / Net I/σ(I): 20.32 |
Reflection shell | Resolution: 2.25→2.39 Å / Redundancy: 13.1 % / Rmerge(I) obs: 2.233 / Mean I/σ(I) obs: 1.34 / Num. unique obs: 8944 / CC1/2: 0.816 / % possible all: 94.2 |
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Processing
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Refinement | Method to determine structure: ![]() Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 74.7 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.25→47.21 Å
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Refine LS restraints |
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LS refinement shell |
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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