+Open data
-Basic information
Entry | Database: PDB / ID: 5o9g | ||||||
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Title | Structure of nucleosome-Chd1 complex | ||||||
Components |
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Keywords | DNA BINDING PROTEIN / ATPase / Complex / Nucleosome / DNA / Chromatin Remodeling | ||||||
Function / homology | Function and homology information nucleolar chromatin / regulation of transcriptional start site selection at RNA polymerase II promoter / negative regulation of DNA-templated DNA replication / regulation of chromatin organization / rDNA binding / SLIK (SAGA-like) complex / DNA double-strand break processing / nucleosome organization / SAGA complex / sister chromatid cohesion ...nucleolar chromatin / regulation of transcriptional start site selection at RNA polymerase II promoter / negative regulation of DNA-templated DNA replication / regulation of chromatin organization / rDNA binding / SLIK (SAGA-like) complex / DNA double-strand break processing / nucleosome organization / SAGA complex / sister chromatid cohesion / ATP-dependent chromatin remodeler activity / termination of RNA polymerase II transcription / termination of RNA polymerase I transcription / ATP-dependent activity, acting on DNA / methylated histone binding / helicase activity / transcription elongation by RNA polymerase II / double-strand break repair via homologous recombination / Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement / chromatin DNA binding / structural constituent of chromatin / nucleosome / nucleosome assembly / site of double-strand break / histone binding / transcription cis-regulatory region binding / chromatin remodeling / protein heterodimerization activity / chromatin binding / chromatin / regulation of transcription by RNA polymerase II / ATP hydrolysis activity / mitochondrion / DNA binding / nucleoplasm / ATP binding / nucleus Similarity search - Function | ||||||
Biological species | Xenopus laevis (African clawed frog) Saccharomyces cerevisiae S288c (yeast) synthetic construct (others) | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.8 Å | ||||||
Authors | Farnung, L. / Vos, S.M. / Wigge, C. / Cramer, P. | ||||||
Funding support | Germany, 1items
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Citation | Journal: Nature / Year: 2017 Title: Nucleosome-Chd1 structure and implications for chromatin remodelling. Authors: Lucas Farnung / Seychelle M Vos / Christoph Wigge / Patrick Cramer / Abstract: Chromatin-remodelling factors change nucleosome positioning and facilitate DNA transcription, replication, and repair. The conserved remodelling factor chromodomain-helicase-DNA binding protein ...Chromatin-remodelling factors change nucleosome positioning and facilitate DNA transcription, replication, and repair. The conserved remodelling factor chromodomain-helicase-DNA binding protein 1(Chd1) can shift nucleosomes and induce regular nucleosome spacing. Chd1 is required for the passage of RNA polymerase IIthrough nucleosomes and for cellular pluripotency. Chd1 contains the DNA-binding domains SANT and SLIDE, a bilobal motor domain that hydrolyses ATP, and a regulatory double chromodomain. Here we report the cryo-electron microscopy structure of Chd1 from the yeast Saccharomyces cerevisiae bound to a nucleosome at a resolution of 4.8 Å. Chd1 detaches two turns of DNA from the histone octamer and binds between the two DNA gyres in a state poised for catalysis. The SANT and SLIDE domains contact detached DNA around superhelical location (SHL) -7 of the first DNA gyre. The ATPase motor binds the second DNA gyre at SHL +2 and is anchored to the N-terminal tail of histone H4, as seen in a recent nucleosome-Snf2 ATPase structure. Comparisons with published results reveal that the double chromodomain swings towards nucleosomal DNA at SHL +1, resulting in ATPase closure. The ATPase can then promote translocation of DNA towards the nucleosome dyad, thereby loosening the first DNA gyre and remodelling the nucleosome. Translocation may involve ratcheting of the two lobes of the ATPase, which is trapped in a pre- or post-translocation state in the absence or presence, respectively, of transition state-mimicking compounds. | ||||||
History |
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-Structure visualization
Movie |
Movie viewer |
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Structure viewer | Molecule: MolmilJmol/JSmol |
-Downloads & links
-Download
PDBx/mmCIF format | 5o9g.cif.gz | 497.9 KB | Display | PDBx/mmCIF format |
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PDB format | pdb5o9g.ent.gz | 370 KB | Display | PDB format |
PDBx/mmJSON format | 5o9g.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 5o9g_validation.pdf.gz | 1.2 MB | Display | wwPDB validaton report |
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Full document | 5o9g_full_validation.pdf.gz | 1.2 MB | Display | |
Data in XML | 5o9g_validation.xml.gz | 60.7 KB | Display | |
Data in CIF | 5o9g_validation.cif.gz | 93.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/o9/5o9g ftp://data.pdbj.org/pub/pdb/validation_reports/o9/5o9g | HTTPS FTP |
-Related structure data
Related structure data | 3765MC M: map data used to model this data C: citing same article (ref.) |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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-Components
-Protein , 4 types, 7 molecules AEBFCGW
#1: Protein | Mass: 15435.126 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli (E. coli) / References: UniProt: P84233 #2: Protein | Mass: 11394.426 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli (E. coli) / References: UniProt: P62799 #3: Protein | Mass: 14109.436 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Xenopus laevis (African clawed frog) / Gene: hist1h2aj, LOC494591 / Production host: Escherichia coli (E. coli) / References: UniProt: Q6AZJ8, UniProt: P06897*PLUS #8: Protein | | Mass: 168496.609 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Saccharomyces cerevisiae S288c (yeast) / Gene: CHD1, YER164W, SYGP-ORF4 / Production host: Trichoplusia ni (cabbage looper) References: UniProt: P32657, Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement |
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-Histone H2B 1. ... , 2 types, 2 molecules DH
#4: Protein | Mass: 13655.948 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli (E. coli) / References: UniProt: P02281 |
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#5: Protein | Mass: 13526.769 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli (E. coli) / References: UniProt: P02281 |
-DNA chain , 2 types, 2 molecules IJ
#6: DNA chain | Mass: 64143.914 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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#7: DNA chain | Mass: 64293.945 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
-Non-polymers , 2 types, 2 molecules
#9: Chemical | ChemComp-ADP / |
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#10: Chemical | ChemComp-BEF / |
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-Sample preparation
Component |
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Molecular weight | Experimental value: NO | ||||||||||||||||||||||||||||||
Source (natural) |
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Source (recombinant) |
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Buffer solution | pH: 7.5 | ||||||||||||||||||||||||||||||
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES | ||||||||||||||||||||||||||||||
Specimen support | Grid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R2/2 | ||||||||||||||||||||||||||||||
Vitrification | Instrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K |
-Electron microscopy imaging
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: OTHER |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2750 nm / Nominal defocus min: 1250 nm / Cs: 2.7 mm / C2 aperture diameter: 150 µm / Alignment procedure: COMA FREE |
Specimen holder | Cryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER |
Image recording | Average exposure time: 10 sec. / Electron dose: 3 e/Å2 / Detector mode: COUNTING / Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Num. of real images: 3802 |
EM imaging optics | Energyfilter name: GIF Quantum |
Image scans | Movie frames/image: 40 / Used frames/image: 1-40 |
-Processing
EM software |
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||
Particle selection | Num. of particles selected: 990000 | ||||||||||||||||
Symmetry | Point symmetry: C1 (asymmetric) | ||||||||||||||||
3D reconstruction | Resolution: 4.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 67032 / Algorithm: FOURIER SPACE / Symmetry type: POINT |