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- PDB-5o9g: Structure of nucleosome-Chd1 complex -

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Basic information

Entry
Database: PDB / ID: 5o9g
TitleStructure of nucleosome-Chd1 complex
Components
  • (DNA (162-MER)) x 2
  • (Histone H2B 1. ...) x 2
  • Chromo domain-containing protein 1
  • Histone H2A
  • Histone H3.2
  • Histone H4
KeywordsDNA 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 / nucleosome organization / rDNA binding / SLIK (SAGA-like) complex / SAGA complex / ATP-dependent chromatin remodeler activity / 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 / nucleosome organization / rDNA binding / SLIK (SAGA-like) complex / SAGA complex / ATP-dependent chromatin remodeler activity / sister chromatid cohesion / 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 / Hydrolases; Acting on acid anhydrides; Acting on acid anhydrides to facilitate cellular and subcellular movement / chromatin DNA binding / structural constituent of chromatin / nucleosome / 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
Chromodomain helicase DNA-binding domain / Chromodomain helicase DNA-binding domain 1 / Chromodomain-helicase-DNA-binding protein 1-like, C-terminal domain / Chromodomain-helicase-DNA-binding protein 1-like, C-terminal / DUF4208 / Chromo domain, conserved site / Chromo domain signature. / Chromo domain / Chromo (CHRromatin Organisation MOdifier) domain / Chromo and chromo shadow domain profile. ...Chromodomain helicase DNA-binding domain / Chromodomain helicase DNA-binding domain 1 / Chromodomain-helicase-DNA-binding protein 1-like, C-terminal domain / Chromodomain-helicase-DNA-binding protein 1-like, C-terminal / DUF4208 / Chromo domain, conserved site / Chromo domain signature. / Chromo domain / Chromo (CHRromatin Organisation MOdifier) domain / Chromo and chromo shadow domain profile. / : / Chromo/chromo shadow domain / Chromatin organization modifier domain / SNF2-like, N-terminal domain superfamily / SNF2, N-terminal / SNF2-related domain / Chromo-like domain superfamily / Histone H2B signature. / Histone H2B / Histone H2B / Histone H2A conserved site / Histone H2A signature. / Histone H2A, C-terminal domain / C-terminus of histone H2A / Histone H2A / Histone 2A / Histone H4, conserved site / Histone H4 signature. / Histone H4 / Histone H4 / CENP-T/Histone H4, histone fold / Centromere kinetochore component CENP-T histone fold / TATA box binding protein associated factor / TATA box binding protein associated factor (TAF), histone-like fold domain / Helicase conserved C-terminal domain / Histone H3 signature 1. / Histone H3 signature 2. / Histone H3 / Histone H3/CENP-A / Homeobox-like domain superfamily / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Histone-fold / helicase superfamily c-terminal domain / Superfamilies 1 and 2 helicase C-terminal domain profile. / Superfamilies 1 and 2 helicase ATP-binding type-1 domain profile. / DEAD-like helicases superfamily / Helicase, C-terminal / Helicase superfamily 1/2, ATP-binding domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / BERYLLIUM TRIFLUORIDE ION / DNA / DNA (> 10) / DNA (> 100) / Histone H2B 1.1 / Histone H2A type 1 / Chromo domain-containing protein 1 / Histone H4 / Histone H3.2 / Histone H2A
Similarity search - Component
Biological speciesXenopus laevis (African clawed frog)
Saccharomyces cerevisiae S288c (yeast)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.8 Å
AuthorsFarnung, L. / Vos, S.M. / Wigge, C. / Cramer, P.
Funding support Germany, 1items
OrganizationGrant numberCountry
Germany
CitationJournal: 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
DepositionJun 19, 2017Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 11, 2017Provider: repository / Type: Initial release
Revision 1.1Oct 25, 2017Group: Database references / Category: citation / Item: _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Nov 1, 2017Group: Database references / Category: citation
Item: _citation.journal_id_ISSN / _citation.journal_volume ..._citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last

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Structure visualization

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Assembly

Deposited unit
A: Histone H3.2
B: Histone H4
C: Histone H2A
D: Histone H2B 1.1
E: Histone H3.2
F: Histone H4
G: Histone H2A
H: Histone H2B 1.1
I: DNA (162-MER)
J: DNA (162-MER)
W: Chromo domain-containing protein 1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)406,48813
Polymers405,99511
Non-polymers4932
Water0
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area60910 Å2
ΔGint-382 kcal/mol
Surface area128510 Å2
MethodPISA

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Components

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Protein , 4 types, 7 molecules AEBFCGW

#1: Protein Histone H3.2


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 Histone H4 /


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 Histone H2A /


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 Chromo domain-containing protein 1 / ATP-dependent helicase CHD1


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 Histone H2B 1.1 / H2B1.1


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
#5: Protein Histone H2B 1.1 / H2B1.1


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

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DNA chain , 2 types, 2 molecules IJ

#6: DNA chain DNA (162-MER)


Mass: 64143.914 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)
#7: DNA chain DNA (162-MER)


Mass: 64293.945 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)

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Non-polymers , 2 types, 2 molecules

#9: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE / Adenosine diphosphate


Mass: 427.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM
#10: Chemical ChemComp-BEF / BERYLLIUM TRIFLUORIDE ION


Mass: 66.007 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: BeF3

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

Component
IDNameTypeEntity IDParent-IDSource
1Protein-Nucleic Acid complexCOMPLEX#1-#80MULTIPLE SOURCES
2Protein-Nucleic Acid complexCOMPLEX#1-#51RECOMBINANT
3Protein-Nucleic Acid complexCOMPLEX#6-#71RECOMBINANT
4Protein-Nucleic Acid complexCOMPLEX#81RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-ID
12Xenopus laevis (African clawed frog)8355
33synthetic construct (others)32630
44Saccharomyces cerevisiae S288c (yeast)559292
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-ID
12Escherichia coli (E. coli)562
24Trichoplusia ni (cabbage looper)7111
33synthetic construct (others)32630
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R2/2
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: OTHER
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 2750 nm / Nominal defocus min: 1250 nm / Cs: 2.7 mm / C2 aperture diameter: 150 µm / Alignment procedure: COMA FREE
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Image recordingAverage 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 opticsEnergyfilter name: GIF Quantum
Image scansMovie frames/image: 40 / Used frames/image: 1-40

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Processing

EM software
IDNameVersionCategory
2EPUimage acquisition
4GctfCTF correction
13RELION2.0.43D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 990000
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 4.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 67032 / Algorithm: FOURIER SPACE / Symmetry type: POINT

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