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- EMDB-35083: Cryo-EM structure of Eaf3 CHD in complex with nucleosome -

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Basic information

Entry
Database: EMDB / ID: EMD-35083
TitleCryo-EM structure of Eaf3 CHD in complex with nucleosome
Map dataEM map
Sample
  • Complex: Eaf3 CHD in complex with nucleosome
    • Protein or peptide: Histone H3
    • Protein or peptide: Histone H4
    • Protein or peptide: Histone H2A
    • Protein or peptide: Histone H2B
    • DNA: DNA (352-MER)
    • DNA: DNA (352-MER)
    • Protein or peptide: Chromatin modification-related protein EAF3
KeywordsHistone modification binding domain / Histone deacetylase complex / GENE REGULATION
Function / homology
Function and homology information


Rpd3S complex / NuA4 histone acetyltransferase complex / structural constituent of chromatin / nucleosome / nucleosome assembly / chromatin remodeling / protein heterodimerization activity / DNA repair / regulation of DNA-templated transcription / DNA binding / nucleus
Similarity search - Function
MRG / MRG domain / MRG, C-terminal domain superfamily / MRG / MRG domain profile. / RNA binding activity-knot of a chromodomain / RNA binding activity-knot of a chromodomain / Chromo/chromo shadow domain / Chromatin organization modifier domain / Chromo-like domain superfamily ...MRG / MRG domain / MRG, C-terminal domain superfamily / MRG / MRG domain profile. / RNA binding activity-knot of a chromodomain / RNA binding activity-knot of a chromodomain / Chromo/chromo shadow domain / Chromatin organization modifier 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. / TATA box binding protein associated factor / TATA box binding protein associated factor (TAF), histone-like fold domain / Histone H4 / Histone H4 / CENP-T/Histone H4, histone fold / Centromere kinetochore component CENP-T histone fold / Histone H3 signature 1. / Histone H3 signature 2. / Histone H3 / Histone H3/CENP-A / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Histone-fold
Similarity search - Domain/homology
Histone H3 / Chromatin modification-related protein EAF3 / Histone H2B / Histone H4 / Histone H2A
Similarity search - Component
Biological speciesSaccharomyces (fungus) / Xenopus laevis (African clawed frog) / Saccharomyces cerevisiae (brewer's yeast) / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsCui H / Wang H
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC) China
CitationJournal: Nat Struct Mol Biol / Year: 2023
Title: Structure of histone deacetylase complex Rpd3S bound to nucleosome.
Authors: Wulong Li / Hengjun Cui / Zhimin Lu / Haibo Wang /
Abstract: Crosstalk between histone modifications represents a fundamental epigenetic mechanism in gene regulation. During the transcription elongation process, the histone deacetylase complex Rpd3S is ...Crosstalk between histone modifications represents a fundamental epigenetic mechanism in gene regulation. During the transcription elongation process, the histone deacetylase complex Rpd3S is recruited to H3K36-methylated nucleosomes to suppress cryptic transcription initiation. However, how subunits of Rpd3S are assembled and coordinated to recognize nucleosomal substrates and exert their deacetylation function remains unclear. Here we report the structure of Saccharomyces cerevisiae Rpd3S deacetylase bound to H3K36me3-modified nucleosome at 3.1 Å resolution. It shows that Sin3 and Rco1 subunits orchestrate the assembly of the complex and mediate its contact with nucleosome at multiple sites, with the Sin3-DNA interface as a pivotal anchor. The PHD1 domain of Rco1 recognizes the unmodified H3K4 and places the following H3 tail toward the active site of Rpd3, while the chromodomain of Eaf3 subunit recognizes the H3K36me3 mark and contacts both nucleosomal and linker DNA. The second copy of Eaf3-Rco1 is involved in neighboring nucleosome binding. Our work unravels the structural basis of chromatin targeting and deacetylation by the Rpd3S complex.
History
DepositionJan 5, 2023-
Header (metadata) releaseSep 27, 2023-
Map releaseSep 27, 2023-
UpdateOct 9, 2024-
Current statusOct 9, 2024Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_35083.png

Downloads & links

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Map

FileDownload / File: emd_35083.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationEM map
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.05 Å/pix.
x 256 pix.
= 268.8 Å		1.05 Å/pix.
x 256 pix.
= 268.8 Å		1.05 Å/pix.
x 256 pix.
= 268.8 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.05 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.016
Minimum - Maximum-0.023326155 - 0.08775036
Average (Standard dev.)0.00130048 (±0.0042877095)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 268.8 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: EM half1 map

Fileemd_35083_half_map_1.map
AnnotationEM half1 map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: EM half2 map

Fileemd_35083_half_map_2.map
AnnotationEM half2 map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Eaf3 CHD in complex with nucleosome

EntireName: Eaf3 CHD in complex with nucleosome
Components
  • Complex: Eaf3 CHD in complex with nucleosome
    • Protein or peptide: Histone H3
    • Protein or peptide: Histone H4
    • Protein or peptide: Histone H2A
    • Protein or peptide: Histone H2B
    • DNA: DNA (352-MER)
    • DNA: DNA (352-MER)
    • Protein or peptide: Chromatin modification-related protein EAF3

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Supramolecule #1: Eaf3 CHD in complex with nucleosome

SupramoleculeName: Eaf3 CHD in complex with nucleosome / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#7
Source (natural)Organism: Saccharomyces (fungus)
Molecular weightTheoretical: 150 KDa

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Macromolecule #1: Histone H3

MacromoleculeName: Histone H3 / type: protein_or_peptide / ID: 1
Details: Cys110 residues of chain A/E were mutated to Ala due to the preparation of ML3-modified nucleosome.
Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Xenopus laevis (African clawed frog)
Molecular weightTheoretical: 15.331982 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
ARTKQTARKS TGGKAPRKQL ATKAARKSAP ATGGV(ML3)KPHR YRPGTVALRE IRRYQKSTEL LIRKLPFQRL VREIAQ DFK TDLRFQSSAV MALQEASEAY LVALFEDTNL AAIHAKRVTI MPKDIQLARR IRGERA

UniProtKB: Histone H3

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Macromolecule #2: Histone H4

MacromoleculeName: Histone H4 / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Xenopus laevis (African clawed frog)
Molecular weightTheoretical: 11.263231 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
SGRGKGGKGL GKGGAKRHRK VLRDNIQGIT KPAIRRLARR GGVKRISGLI YEETRGVLKV FLENVIRDAV TYTEHAKRKT VTAMDVVYA LKRQGRTLYG FGG

UniProtKB: Histone H4

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Macromolecule #3: Histone H2A

MacromoleculeName: Histone H2A / type: protein_or_peptide / ID: 3 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Xenopus laevis (African clawed frog)
Molecular weightTheoretical: 13.978241 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
SGRGKQGGKT RAKAKTRSSR AGLQFPVGRV HRLLRKGNYA ERVGAGAPVY LAAVLEYLTA EILELAGNAA RDNKKTRIIP RHLQLAVRN DEELNKLLGR VTIAQGGVLP NIQSVLLPKK TESSKSAKSK

UniProtKB: Histone H2A

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Macromolecule #4: Histone H2B

MacromoleculeName: Histone H2B / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Xenopus laevis (African clawed frog)
Molecular weightTheoretical: 13.524752 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
AKSAPAPKKG SKKAVTKTQK KDGKKRRKTR KESYAIYVYK VLKQVHPDTG ISSKAMSIMN SFVNDVFERI AGEASRLAHY NKRSTITSR EIQTAVRLLL PGELAKHAVS EGTKAVTKYT SAK

UniProtKB: Histone H2B

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Macromolecule #7: Chromatin modification-related protein EAF3

MacromoleculeName: Chromatin modification-related protein EAF3 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 45.266406 KDa
Recombinant expressionOrganism: Trichoplusia ni (cabbage looper)
SequenceString: MVDLEQEFAL GGRCLAFHGP LMYEAKILKI WDPSSKMYTS IPNDKPGGSS QATKEIKPQK LGEDESIPEE IINGKCFFIH YQGWKSSWD EWVGYDRIRA YNEENIAMKK RLANEAKEAK KSLLEQQKKK KLSTSLGGPS NGGKRKGDSR SNASISKSTS Q SFLTSSVS ...String:
MVDLEQEFAL GGRCLAFHGP LMYEAKILKI WDPSSKMYTS IPNDKPGGSS QATKEIKPQK LGEDESIPEE IINGKCFFIH YQGWKSSWD EWVGYDRIRA YNEENIAMKK RLANEAKEAK KSLLEQQKKK KLSTSLGGPS NGGKRKGDSR SNASISKSTS Q SFLTSSVS GRKSGRSSAN SLHPGSSLRS SSDQNGNDDR RRSSSLSPNM LHHIAGYPTP KISLQIPIKL KSVLVDDWEY VT KDKKICR LPADVTVEMV LNKYEHEVSQ ELESPGSQSQ LSEYCAGLKL YFDKCLGNML LYRLERLQYD ELLKKSSKDQ KPL VPIRIY GAIHLLRLIS VLPELISSTT MDLQSCQLLI KQTEDFLVWL LMHVDEYFND KDPNRSDDAL YVNTSSQYEG VALG M

UniProtKB: Chromatin modification-related protein EAF3

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Macromolecule #5: DNA (352-MER)

MacromoleculeName: DNA (352-MER) / type: dna / ID: 5 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 108.340836 KDa
SequenceString: (DG)(DA)(DA)(DT)(DT)(DC)(DG)(DA)(DT)(DA) (DT)(DC)(DG)(DA)(DG)(DA)(DA)(DT)(DC)(DC) (DC)(DG)(DG)(DT)(DG)(DC)(DC)(DG)(DA) (DG)(DG)(DC)(DC)(DG)(DC)(DT)(DC)(DA)(DA) (DT) (DT)(DG)(DG)(DT)(DC)(DG) ...String:
(DG)(DA)(DA)(DT)(DT)(DC)(DG)(DA)(DT)(DA) (DT)(DC)(DG)(DA)(DG)(DA)(DA)(DT)(DC)(DC) (DC)(DG)(DG)(DT)(DG)(DC)(DC)(DG)(DA) (DG)(DG)(DC)(DC)(DG)(DC)(DT)(DC)(DA)(DA) (DT) (DT)(DG)(DG)(DT)(DC)(DG)(DT)(DA) (DG)(DA)(DC)(DA)(DG)(DC)(DT)(DC)(DT)(DA) (DG)(DC) (DA)(DC)(DC)(DG)(DC)(DT)(DT) (DA)(DA)(DA)(DC)(DG)(DC)(DA)(DC)(DG)(DT) (DA)(DC)(DG) (DC)(DG)(DC)(DT)(DG)(DT) (DC)(DC)(DC)(DC)(DC)(DG)(DC)(DG)(DT)(DT) (DT)(DT)(DA)(DA) (DC)(DC)(DG)(DC)(DC) (DA)(DA)(DG)(DG)(DG)(DG)(DA)(DT)(DT)(DA) (DC)(DT)(DC)(DC)(DC) (DT)(DA)(DG)(DT) (DC)(DT)(DC)(DC)(DA)(DG)(DG)(DC)(DA)(DC) (DG)(DT)(DG)(DT)(DC)(DA) (DG)(DA)(DT) (DA)(DT)(DA)(DT)(DA)(DC)(DA)(DT)(DC)(DC) (DT)(DG)(DT)(DG)(DC)(DA)(DT) (DG)(DT) (DA)(DT)(DT)(DG)(DA)(DA)(DA)(DG)(DT)(DA) (DC)(DT)(DG)(DC)(DC)(DA)(DG)(DT) (DT) (DC)(DT)(DA)(DG)(DA)(DC)(DT)(DG)(DG)(DA) (DG)(DA)(DA)(DT)(DC)(DC)(DC)(DG)(DG) (DT)(DG)(DC)(DC)(DG)(DA)(DG)(DG)(DC)(DC) (DG)(DC)(DT)(DC)(DA)(DA)(DT)(DT)(DG)(DG) (DT)(DC)(DG)(DT)(DA)(DG)(DA)(DC)(DA) (DG)(DC)(DT)(DC)(DT)(DA)(DG)(DC)(DA)(DC) (DC) (DG)(DC)(DT)(DT)(DA)(DA)(DA)(DC) (DG)(DC)(DA)(DC)(DG)(DT)(DA)(DC)(DG)(DC) (DG)(DC) (DT)(DG)(DT)(DC)(DC)(DC)(DC) (DC)(DG)(DC)(DG)(DT)(DT)(DT)(DT)(DA)(DA) (DC)(DC)(DG) (DC)(DC)(DA)(DA)(DG)(DG) (DG)(DG)(DA)(DT)(DT)(DA)(DC)(DT)(DC)(DC) (DC)(DT)(DA)(DG) (DT)(DC)(DT)(DC)(DC) (DA)(DG)(DG)(DC)(DA)(DC)(DG)(DT)(DG)(DT) (DC)(DA)(DG)(DA)(DT) (DA)(DT)(DA)(DT) (DA)(DC)(DA)(DT)(DC)(DC)(DT)(DG)(DT)(DG) (DC)(DA)(DT)(DG)(DT)(DA) (DT)(DT)(DG) (DA)(DA)(DC)(DA)(DG)(DC)(DG)(DA)(DT)

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Macromolecule #6: DNA (352-MER)

MacromoleculeName: DNA (352-MER) / type: dna / ID: 6 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 109.079289 KDa
SequenceString: (DA)(DT)(DC)(DG)(DC)(DT)(DG)(DT)(DT)(DC) (DA)(DA)(DT)(DA)(DC)(DA)(DT)(DG)(DC)(DA) (DC)(DA)(DG)(DG)(DA)(DT)(DG)(DT)(DA) (DT)(DA)(DT)(DA)(DT)(DC)(DT)(DG)(DA)(DC) (DA) (DC)(DG)(DT)(DG)(DC)(DC) ...String:
(DA)(DT)(DC)(DG)(DC)(DT)(DG)(DT)(DT)(DC) (DA)(DA)(DT)(DA)(DC)(DA)(DT)(DG)(DC)(DA) (DC)(DA)(DG)(DG)(DA)(DT)(DG)(DT)(DA) (DT)(DA)(DT)(DA)(DT)(DC)(DT)(DG)(DA)(DC) (DA) (DC)(DG)(DT)(DG)(DC)(DC)(DT)(DG) (DG)(DA)(DG)(DA)(DC)(DT)(DA)(DG)(DG)(DG) (DA)(DG) (DT)(DA)(DA)(DT)(DC)(DC)(DC) (DC)(DT)(DT)(DG)(DG)(DC)(DG)(DG)(DT)(DT) (DA)(DA)(DA) (DA)(DC)(DG)(DC)(DG)(DG) (DG)(DG)(DG)(DA)(DC)(DA)(DG)(DC)(DG)(DC) (DG)(DT)(DA)(DC) (DG)(DT)(DG)(DC)(DG) (DT)(DT)(DT)(DA)(DA)(DG)(DC)(DG)(DG)(DT) (DG)(DC)(DT)(DA)(DG) (DA)(DG)(DC)(DT) (DG)(DT)(DC)(DT)(DA)(DC)(DG)(DA)(DC)(DC) (DA)(DA)(DT)(DT)(DG)(DA) (DG)(DC)(DG) (DG)(DC)(DC)(DT)(DC)(DG)(DG)(DC)(DA)(DC) (DC)(DG)(DG)(DG)(DA)(DT)(DT) (DC)(DT) (DC)(DC)(DA)(DG)(DT)(DC)(DT)(DA)(DG)(DA) (DA)(DC)(DT)(DG)(DG)(DC)(DA)(DG) (DT) (DA)(DC)(DT)(DT)(DT)(DC)(DA)(DA)(DT)(DA) (DC)(DA)(DT)(DG)(DC)(DA)(DC)(DA)(DG) (DG)(DA)(DT)(DG)(DT)(DA)(DT)(DA)(DT)(DA) (DT)(DC)(DT)(DG)(DA)(DC)(DA)(DC)(DG)(DT) (DG)(DC)(DC)(DT)(DG)(DG)(DA)(DG)(DA) (DC)(DT)(DA)(DG)(DG)(DG)(DA)(DG)(DT)(DA) (DA) (DT)(DC)(DC)(DC)(DC)(DT)(DT)(DG) (DG)(DC)(DG)(DG)(DT)(DT)(DA)(DA)(DA)(DA) (DC)(DG) (DC)(DG)(DG)(DG)(DG)(DG)(DA) (DC)(DA)(DG)(DC)(DG)(DC)(DG)(DT)(DA)(DC) (DG)(DT)(DG) (DC)(DG)(DT)(DT)(DT)(DA) (DA)(DG)(DC)(DG)(DG)(DT)(DG)(DC)(DT)(DA) (DG)(DA)(DG)(DC) (DT)(DG)(DT)(DC)(DT) (DA)(DC)(DG)(DA)(DC)(DC)(DA)(DA)(DT)(DT) (DG)(DA)(DG)(DC)(DG) (DG)(DC)(DC)(DT) (DC)(DG)(DG)(DC)(DA)(DC)(DC)(DG)(DG)(DG) (DA)(DT)(DT)(DC)(DT)(DC) (DG)(DA)(DT) (DA)(DT)(DC)(DG)(DA)(DA)(DT)(DT)(DC)

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.5
Details: 20 mM HEPES-Na pH 7.5, 40 mM KCl, 2 mM MgCl2, 1 mM TCEP
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277.15 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsEnergy filter - Name: GIF Bioquantum / Energy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 44.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.8 µm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 42076
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION
FSC plot (resolution estimation)

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: RIGID BODY FIT
Output model

PDB-8hxz:
Cryo-EM structure of Eaf3 CHD in complex with nucleosome

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