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- PDB-8guk: Human nucleosome core particle (free form) -

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Basic information

Entry
Database: PDB / ID: 8guk
TitleHuman nucleosome core particle (free form)
Components
  • (DNA (147-mer)) x 2
  • Histone H2A type 1
  • Histone H2B type 1-J
  • Histone H3.1Histone H3
  • Histone H4
KeywordsGENE REGULATION/DNA / transcription / ubiquitin ligase / cancer / chromatin / GENE REGULATION / GENE REGULATION-DNA complex
Function / homology
Function and homology information


negative regulation of tumor necrosis factor-mediated signaling pathway / negative regulation of megakaryocyte differentiation / protein localization to CENP-A containing chromatin / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / epigenetic regulation of gene expression / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine ...negative regulation of tumor necrosis factor-mediated signaling pathway / negative regulation of megakaryocyte differentiation / protein localization to CENP-A containing chromatin / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / epigenetic regulation of gene expression / Packaging Of Telomere Ends / Recognition and association of DNA glycosylase with site containing an affected purine / Cleavage of the damaged purine / Deposition of new CENPA-containing nucleosomes at the centromere / Recognition and association of DNA glycosylase with site containing an affected pyrimidine / Cleavage of the damaged pyrimidine / Inhibition of DNA recombination at telomere / Meiotic synapsis / telomere organization / RNA Polymerase I Promoter Opening / Interleukin-7 signaling / SUMOylation of chromatin organization proteins / Assembly of the ORC complex at the origin of replication / DNA methylation / Condensation of Prophase Chromosomes / HCMV Late Events / Chromatin modifications during the maternal to zygotic transition (MZT) / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / SIRT1 negatively regulates rRNA expression / innate immune response in mucosa / PRC2 methylates histones and DNA / Defective pyroptosis / HDACs deacetylate histones / RNA Polymerase I Promoter Escape / Nonhomologous End-Joining (NHEJ) / lipopolysaccharide binding / Transcriptional regulation by small RNAs / Formation of the beta-catenin:TCF transactivating complex / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / NoRC negatively regulates rRNA expression / G2/M DNA damage checkpoint / B-WICH complex positively regulates rRNA expression / HDMs demethylate histones / DNA Damage/Telomere Stress Induced Senescence / Metalloprotease DUBs / PKMTs methylate histone lysines / RMTs methylate histone arginines / Meiotic recombination / Pre-NOTCH Transcription and Translation / nucleosome assembly / Activation of anterior HOX genes in hindbrain development during early embryogenesis / HCMV Early Events / Transcriptional regulation of granulopoiesis / structural constituent of chromatin / UCH proteinases / nucleosome / antimicrobial humoral immune response mediated by antimicrobial peptide / E3 ubiquitin ligases ubiquitinate target proteins / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / gene expression / RUNX1 regulates transcription of genes involved in differentiation of HSCs / chromatin organization / Factors involved in megakaryocyte development and platelet production / Processing of DNA double-strand break ends / HATs acetylate histones / antibacterial humoral response / Senescence-Associated Secretory Phenotype (SASP) / Oxidative Stress Induced Senescence / killing of cells of another organism / Estrogen-dependent gene expression / defense response to Gram-negative bacterium / chromosome, telomeric region / Ub-specific processing proteases / defense response to Gram-positive bacterium / cadherin binding / Amyloid fiber formation / protein heterodimerization activity / enzyme binding / protein-containing complex / DNA binding / extracellular space / RNA binding / extracellular exosome / extracellular region / nucleoplasm / membrane / nucleus / cytosol
Similarity search - Function
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 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 / 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
DNA / DNA (> 10) / DNA (> 100) / Histone H2B type 1-J / Histone H2A type 1 / Histone H4 / Histone H3.1
Similarity search - Component
Biological speciesHomo sapiens (human)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.51 Å
AuthorsOnishi, S. / Sato, K. / Nishizawa, T. / Nureki, O. / Ogata, K. / Sengoku, T.
Funding support Japan, 1items
OrganizationGrant numberCountry
Japan Society for the Promotion of Science (JSPS) Japan
CitationJournal: Nat Commun / Year: 2024
Title: Structure of the human Bre1 complex bound to the nucleosome.
Authors: Shuhei Onishi / Kotone Uchiyama / Ko Sato / Chikako Okada / Shunsuke Kobayashi / Keisuke Hamada / Tomohiro Nishizawa / Osamu Nureki / Kazuhiro Ogata / Toru Sengoku /
Abstract: Histone H2B monoubiquitination (at Lys120 in humans) regulates transcription elongation and DNA repair. In humans, H2B monoubiquitination is catalyzed by the heterodimeric Bre1 complex composed of ...Histone H2B monoubiquitination (at Lys120 in humans) regulates transcription elongation and DNA repair. In humans, H2B monoubiquitination is catalyzed by the heterodimeric Bre1 complex composed of Bre1A/RNF20 and Bre1B/RNF40. The Bre1 proteins generally function as tumor suppressors, while in certain cancers, they facilitate cancer cell proliferation. To obtain structural insights of H2BK120 ubiquitination and its regulation, we report the cryo-electron microscopy structure of the human Bre1 complex bound to the nucleosome. The two RING domains of Bre1A and Bre1B recognize the acidic patch and the nucleosomal DNA phosphates around SHL 6.0-6.5, which are ideally located to recruit the E2 enzyme and ubiquitin for H2BK120-specific ubiquitination. Mutational experiments suggest that the two RING domains bind in two orientations and that ubiquitination occurs when Bre1A binds to the acidic patch. Our results provide insights into the H2BK120-specific ubiquitination by the Bre1 proteins and suggest that H2B monoubiquitination can be regulated by nuclesomal DNA flexibility.
History
DepositionSep 12, 2022Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Sep 20, 2023Provider: repository / Type: Initial release
Revision 2.0Feb 7, 2024Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / em_software ...atom_site / em_software / ndb_struct_na_base_pair / ndb_struct_na_base_pair_step / pdbx_contact_author / pdbx_struct_sheet_hbond / pdbx_validate_rmsd_angle / pdbx_validate_torsion / struct_conf / struct_conn / struct_sheet_range
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _ndb_struct_na_base_pair.buckle / _ndb_struct_na_base_pair.hbond_type_28 / _ndb_struct_na_base_pair.opening / _ndb_struct_na_base_pair.propeller / _ndb_struct_na_base_pair.shear / _ndb_struct_na_base_pair.stagger / _ndb_struct_na_base_pair.stretch / _ndb_struct_na_base_pair_step.helical_rise / _ndb_struct_na_base_pair_step.helical_twist / _ndb_struct_na_base_pair_step.inclination / _ndb_struct_na_base_pair_step.rise / _ndb_struct_na_base_pair_step.roll / _ndb_struct_na_base_pair_step.shift / _ndb_struct_na_base_pair_step.slide / _ndb_struct_na_base_pair_step.tilt / _ndb_struct_na_base_pair_step.tip / _ndb_struct_na_base_pair_step.twist / _ndb_struct_na_base_pair_step.x_displacement / _ndb_struct_na_base_pair_step.y_displacement / _pdbx_struct_sheet_hbond.range_2_auth_comp_id / _pdbx_struct_sheet_hbond.range_2_auth_seq_id / _pdbx_struct_sheet_hbond.range_2_label_comp_id / _pdbx_struct_sheet_hbond.range_2_label_seq_id / _pdbx_validate_torsion.auth_asym_id / _pdbx_validate_torsion.auth_comp_id / _pdbx_validate_torsion.auth_seq_id / _pdbx_validate_torsion.phi / _pdbx_validate_torsion.psi / _struct_conf.beg_auth_comp_id / _struct_conf.beg_auth_seq_id / _struct_conf.beg_label_comp_id / _struct_conf.beg_label_seq_id / _struct_conf.end_auth_comp_id / _struct_conf.end_auth_seq_id / _struct_conf.end_label_comp_id / _struct_conf.end_label_seq_id / _struct_conf.pdbx_PDB_helix_length / _struct_sheet_range.beg_auth_comp_id / _struct_sheet_range.beg_auth_seq_id / _struct_sheet_range.beg_label_comp_id / _struct_sheet_range.beg_label_seq_id
Description: Atomic clashes / Provider: author / Type: Coordinate replacement
Revision 2.1Apr 3, 2024Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Histone H3.1
B: Histone H4
C: Histone H2A type 1
D: Histone H2B type 1-J
E: Histone H3.1
F: Histone H4
G: Histone H2A type 1
H: Histone H2B type 1-J
I: DNA (147-mer)
J: DNA (147-mer)


Theoretical massNumber of molelcules
Total (without water)200,56610
Polymers200,56610
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Protein , 4 types, 8 molecules AEBFCGDH

#1: Protein Histone H3.1 / Histone H3


Mass: 15437.167 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / References: UniProt: P68431
#2: Protein Histone H4 /


Mass: 11263.231 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / References: UniProt: P62805
#3: Protein Histone H2A type 1 / H2A.1 / Histone H2A/ptl


Mass: 13990.342 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / References: UniProt: P0C0S8
#4: Protein Histone H2B type 1-J / Histone H2B.1 / Histone H2B.r / H2B/r


Mass: 14217.516 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: H2BC11, H2BFR, HIST1H2BJ / Production host: Escherichia coli (E. coli) / References: UniProt: P06899

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DNA chain , 2 types, 2 molecules IJ

#5: DNA chain DNA (147-mer)


Mass: 45145.754 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)
#6: DNA chain DNA (147-mer)


Mass: 45604.047 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)

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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
1Bre1-nucleosome complexCOMPLEXall0MULTIPLE SOURCES
2HiistoneCOMPLEX#1-#41RECOMBINANT
3DNACOMPLEX#5-#61SYNTHETIC
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.5
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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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: FLOOD BEAM
Electron lensMode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 1800 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 58 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.51 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 327589 / Symmetry type: POINT
RefinementCross valid method: NONE
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 63.88 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00412911
ELECTRON MICROSCOPYf_angle_d0.59418690
ELECTRON MICROSCOPYf_chiral_restr0.0352125
ELECTRON MICROSCOPYf_plane_restr0.00471345
ELECTRON MICROSCOPYf_dihedral_angle_d32.74823807

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