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- EMDB-35381: Bre1(mRBD-RING)/Rad6-Ub/nucleosome complex -

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Basic information

Entry
Database: EMDB / ID: EMD-35381
TitleBre1(mRBD-RING)/Rad6-Ub/nucleosome complex
Map dataE3-E2-Ub-NCP
Sample
  • Complex: Bre1(mRBD-RING)/Rad6-Ub in complex with nucleosome
    • Protein or peptide: Histone H3.1
    • Protein or peptide: Histone H4
    • Protein or peptide: Histone H2A type 1-B/E
    • Protein or peptide: Histone H2B type 1-K
    • Protein or peptide: Histone H2B type 1-K
    • DNA: DNA (147-MER)
    • DNA: DNA (147-MER)
    • Protein or peptide: E3 ubiquitin-protein ligase BRE1
    • Protein or peptide: Ubiquitin-conjugating enzyme E2 2
  • Ligand: ZINC ION
KeywordsNucleosome / Bre1 / Rad6 / Ub / NUCLEAR PROTEIN
Function / homology
Function and homology information


MUB1-RAD6-UBR2 ubiquitin ligase complex / RAD6-UBR2 ubiquitin ligase complex / sno(s)RNA transcription / Rad6-Rad18 complex / regulation of dipeptide transport / UBR1-RAD6 ubiquitin ligase complex / HULC complex / error-free postreplication DNA repair / stress-induced homeostatically regulated protein degradation pathway / ubiquitin-dependent protein catabolic process via the N-end rule pathway ...MUB1-RAD6-UBR2 ubiquitin ligase complex / RAD6-UBR2 ubiquitin ligase complex / sno(s)RNA transcription / Rad6-Rad18 complex / regulation of dipeptide transport / UBR1-RAD6 ubiquitin ligase complex / HULC complex / error-free postreplication DNA repair / stress-induced homeostatically regulated protein degradation pathway / ubiquitin-dependent protein catabolic process via the N-end rule pathway / meiotic DNA double-strand break formation / Synthesis of active ubiquitin: roles of E1 and E2 enzymes / cytoplasm protein quality control by the ubiquitin-proteasome system / E3 ubiquitin ligases ubiquitinate target proteins / telomere maintenance via recombination / mitotic intra-S DNA damage checkpoint signaling / regulation of DNA-templated DNA replication initiation / DNA duplex unwinding / E2 ubiquitin-conjugating enzyme / error-free translesion synthesis / sporulation resulting in formation of a cellular spore / proteasome binding / mitotic G1 DNA damage checkpoint signaling / protein localization to CENP-A containing chromatin / DNA replication origin binding / ubiquitin conjugating enzyme activity / Antigen processing: Ubiquitination & Proteasome degradation / CENP-A containing nucleosome / subtelomeric heterochromatin formation / Replacement of protamines by nucleosomes in the male pronucleus / arachidonate 15-lipoxygenase / arachidonate 15-lipoxygenase activity / Packaging Of Telomere Ends / cellular response to unfolded protein / lipoxygenase pathway / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / error-prone translesion synthesis / telomere organization / arachidonate metabolic process / Chromatin modifying enzymes / lipid oxidation / Deposition of new CENPA-containing nucleosomes at the centromere / hepoxilin biosynthetic process / ERAD pathway / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / linoleic acid metabolic process / Meiotic synapsis / Inhibition of DNA recombination at telomere / nucleosomal DNA binding / RNA Polymerase I Promoter Opening / Assembly of the ORC complex at the origin of replication / Interleukin-7 signaling / epigenetic regulation of gene expression / DNA methylation / Condensation of Prophase Chromosomes / HCMV Late Events / SIRT1 negatively regulates rRNA expression / Chromatin modifications during the maternal to zygotic transition (MZT) / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / PRC2 methylates histones and DNA / Defective pyroptosis / Meiotic recombination / innate immune response in mucosa / DNA Damage/Telomere Stress Induced Senescence / HDACs deacetylate histones / Nonhomologous End-Joining (NHEJ) / RNA Polymerase I Promoter Escape / Transcriptional regulation by small RNAs / Transcriptional regulation of granulopoiesis / DNA-templated transcription termination / HDMs demethylate histones / Formation of the beta-catenin:TCF transactivating complex / HCMV Early Events / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / G2/M DNA damage checkpoint / NoRC negatively regulates rRNA expression / double-strand break repair via homologous recombination / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / PKMTs methylate histone lysines / RING-type E3 ubiquitin transferase / B-WICH complex positively regulates rRNA expression / heterochromatin formation / RMTs methylate histone arginines / Pre-NOTCH Transcription and Translation / Metalloprotease DUBs / Activation of anterior HOX genes in hindbrain development during early embryogenesis / structural constituent of chromatin / protein polyubiquitination / ubiquitin-protein transferase activity / UCH proteinases / nucleosome / ubiquitin protein ligase activity / antimicrobial humoral immune response mediated by antimicrobial peptide / Factors involved in megakaryocyte development and platelet production / Processing of DNA double-strand break ends / nucleosome assembly / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / chromatin organization
Similarity search - Function
E3 ubiquitin ligase Bre1 / BRE1 E3 ubiquitin ligase / : / Zinc finger, C3HC4 RING-type / Zinc finger, C3HC4 type (RING finger) / Ubiquitin-conjugating enzyme, active site / Ubiquitin-conjugating (UBC) active site signature. / Ubiquitin-conjugating enzyme E2, catalytic domain homologues / Ubiquitin-conjugating enzyme E2 / Ubiquitin-conjugating enzyme ...E3 ubiquitin ligase Bre1 / BRE1 E3 ubiquitin ligase / : / Zinc finger, C3HC4 RING-type / Zinc finger, C3HC4 type (RING finger) / Ubiquitin-conjugating enzyme, active site / Ubiquitin-conjugating (UBC) active site signature. / Ubiquitin-conjugating enzyme E2, catalytic domain homologues / Ubiquitin-conjugating enzyme E2 / Ubiquitin-conjugating enzyme / Ubiquitin-conjugating (UBC) core domain profile. / Ubiquitin-conjugating enzyme/RWD-like / Lipoxygenase, iron binding site / Lipoxygenases iron-binding region signature 1. / Lipoxygenase / Lipoxygenase, C-terminal / Lipoxigenase, C-terminal domain superfamily / Lipoxygenase / Lipoxygenase iron-binding catalytic domain profile. / Ring finger / Zinc finger C2H2-type / 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 H3 signature 1. / Histone H3 signature 2. / Histone H3 / Zinc finger RING-type profile. / Histone H3/CENP-A / Zinc finger, RING-type / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Histone-fold / Zinc finger, RING/FYVE/PHD-type
Similarity search - Domain/homology
Histone H2B type 1-K / Histone H2A type 1-B/E / Ubiquitin-conjugating enzyme E2 2 / Arachidonate 15-lipoxygenase / Histone H3.1 / E3 ubiquitin-protein ligase BRE1
Similarity search - Component
Biological speciesSaccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast) / Homo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.44 Å
AuthorsAi H / Deng Z / Pan M / Liu L
Funding support China, 1 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)22137005, 92253302, 22227810, 22277073, 92253302 China
CitationJournal: Mol Cell / Year: 2023
Title: Mechanistic insights into nucleosomal H2B monoubiquitylation mediated by yeast Bre1-Rad6 and its human homolog RNF20/RNF40-hRAD6A.
Authors: Zhiheng Deng / Huasong Ai / Maoshen Sun / Zebin Tong / Yunxiang Du / Qian Qu / Liying Zhang / Ziyu Xu / Shixian Tao / Qiang Shi / Jia-Bin Li / Man Pan / Lei Liu /
Abstract: Histone H2B monoubiquitylation plays essential roles in chromatin-based transcriptional processes. A RING-type E3 ligase (yeast Bre1 or human RNF20/RNF40) and an E2 ubiquitin-conjugating enzyme ...Histone H2B monoubiquitylation plays essential roles in chromatin-based transcriptional processes. A RING-type E3 ligase (yeast Bre1 or human RNF20/RNF40) and an E2 ubiquitin-conjugating enzyme (yeast Rad6 or human hRAD6A), together, precisely deposit ubiquitin on H2B K123 in yeast or K120 in humans. Here, we developed a chemical trapping strategy and successfully captured the transient structures of Bre1- or RNF20/RNF40-mediated ubiquitin transfer from Rad6 or hRAD6A to nucleosomal H2B. Our structures show that Bre1 and RNF40 directly bind nucleosomal DNA, exhibiting a conserved E3/E2/nucleosome interaction pattern from yeast to humans for H2B monoubiquitylation. We also find an uncanonical non-hydrophobic contact in the Bre1 RING-Rad6 interface, which positions Rad6 directly above the target H2B lysine residue. Our study provides mechanistic insights into the site-specific monoubiquitylation of H2B, reveals a critical role of nucleosomal DNA in mediating E3 ligase recognition, and provides a framework for understanding the cancer-driving mutations of RNF20/RNF40.
History
DepositionFeb 15, 2023-
Header (metadata) releaseSep 6, 2023-
Map releaseSep 6, 2023-
UpdateSep 20, 2023-
Current statusSep 20, 2023Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_35381.png

Downloads & links

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Map

FileDownload / File: emd_35381.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationE3-E2-Ub-NCP
Voxel sizeX=Y=Z: 1.074 Å
Density
Contour LevelBy AUTHOR: 0.01
Minimum - Maximum-0.018483471 - 0.049318604
Average (Standard dev.)0.00020821656 (±0.001883225)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 274.944 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: E3

Fileemd_35381_additional_1.map
AnnotationE3
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: E3-NCP

Fileemd_35381_additional_2.map
AnnotationE3-NCP
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: NCP

Fileemd_35381_additional_3.map
AnnotationNCP
Projections & Slices
AxesZYX

Projections

Slices (1/2)
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Histogram

Histogram (log scale)

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Additional map: E3-E2

Fileemd_35381_additional_4.map
AnnotationE3-E2
Projections & Slices
AxesZYX

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Slices (1/2)
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Histogram

Histogram (log scale)

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Half map: #1

Fileemd_35381_half_map_1.map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_35381_half_map_2.map
Projections & Slices
AxesZYX

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Sample components

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Entire : Bre1(mRBD-RING)/Rad6-Ub in complex with nucleosome

EntireName: Bre1(mRBD-RING)/Rad6-Ub in complex with nucleosome
Components
  • Complex: Bre1(mRBD-RING)/Rad6-Ub in complex with nucleosome
    • Protein or peptide: Histone H3.1
    • Protein or peptide: Histone H4
    • Protein or peptide: Histone H2A type 1-B/E
    • Protein or peptide: Histone H2B type 1-K
    • Protein or peptide: Histone H2B type 1-K
    • DNA: DNA (147-MER)
    • DNA: DNA (147-MER)
    • Protein or peptide: E3 ubiquitin-protein ligase BRE1
    • Protein or peptide: Ubiquitin-conjugating enzyme E2 2
  • Ligand: ZINC ION

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Supramolecule #1: Bre1(mRBD-RING)/Rad6-Ub in complex with nucleosome

SupramoleculeName: Bre1(mRBD-RING)/Rad6-Ub in complex with nucleosome / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#9
Source (natural)Organism: Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)

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Macromolecule #1: Histone H3.1

MacromoleculeName: Histone H3.1 / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.562577 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
KPHRYRPGTV ALREIRRYQK STELLIRKLP FQRLVREIAQ DFKTDLRFQS SAVMALQEAC EAYLVGLFED TNLCAIHAKR VTIMPKDIQ LARRIRGER

UniProtKB: Histone H3.1

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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: Homo sapiens (human)
Molecular weightTheoretical: 9.123692 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
LRDNIQGITK PAIRRLARRG GVKRISGLIY EETRGVLKVF LENVIRDAVT YTEHAKRKTV TAMDVVYALK RQGRTLYGFG

UniProtKB: Arachidonate 15-lipoxygenase

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Macromolecule #3: Histone H2A type 1-B/E

MacromoleculeName: Histone H2A type 1-B/E / type: protein_or_peptide / ID: 3 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.936948 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
ARAKAKTRSS RAGLQFPVGR VHRLLRKGNY SERVGAGAPV YLAAVLEYLT AEILELAGNA ARDNKKTRII PRHLQLAIRN DEELNKLLG RVTIAQGGVL PNIQAVLLPK

UniProtKB: Histone H2A type 1-B/E

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Macromolecule #4: Histone H2B type 1-K

MacromoleculeName: Histone H2B type 1-K / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 10.451957 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
RSRKESYSVY VYKVLKQVHP DTGISSKAMG IMNSFVNDIF ERIAGEASRL AHYNKRSTIT SREIQTAVRL LLPGELAKHA VSEGTKAVT CYTSA

UniProtKB: Histone H2B type 1-K

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Macromolecule #5: Histone H2B type 1-K

MacromoleculeName: Histone H2B type 1-K / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 10.477994 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
RSRKESYSVY VYKVLKQVHP DTGISSKAMG IMNSFVNDIF ERIAGEASRL AHYNKRSTIT SREIQTAVRL LLPGELAKHA VSEGTKAVT KYTSA

UniProtKB: Histone H2B type 1-K

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Macromolecule #8: E3 ubiquitin-protein ligase BRE1

MacromoleculeName: E3 ubiquitin-protein ligase BRE1 / type: protein_or_peptide / ID: 8 / Number of copies: 2 / Enantiomer: LEVO / EC number: RING-type E3 ubiquitin transferase
Source (natural)Organism: Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
Molecular weightTheoretical: 7.357698 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
EELANFRTLV YCSLCSKNWK NMAIKTCGHV FCENCCKERL AARMRKCPTC NKAFSSNDLL TVHL

UniProtKB: E3 ubiquitin-protein ligase BRE1

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Macromolecule #9: Ubiquitin-conjugating enzyme E2 2

MacromoleculeName: Ubiquitin-conjugating enzyme E2 2 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO / EC number: E2 ubiquitin-conjugating enzyme
Source (natural)Organism: Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (yeast)
Molecular weightTheoretical: 16.973213 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
TPARRRLMRD FKRMKEDAPP GVSASPLPDN VMVWNAMIIG PADTPYEDGT FRLLLEFDEE YPNKPPHVKF LSEMFHPNVY ANGEICLDI LQNRWTPTYD VASILTSIQS LFNDPNPASP ANVEAATLFK DHKSQYVKRV KETVEKSWE

UniProtKB: Ubiquitin-conjugating enzyme E2 2

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Macromolecule #6: DNA (147-MER)

MacromoleculeName: DNA (147-MER) / type: dna / ID: 6 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 45.604047 KDa
SequenceString: (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) ...String:
(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)

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Macromolecule #7: DNA (147-MER)

MacromoleculeName: DNA (147-MER) / type: dna / ID: 7 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 45.145754 KDa
SequenceString: (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) ...String:
(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)

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Macromolecule #10: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 10 / Number of copies: 4 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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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
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: SPOT SCAN / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.0 µm / Nominal defocus min: 1.0 µm
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: 3.44 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 826181
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION

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