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- PDB-7pfa: Trinucleosome of the 4x197 nucleosome array containing H1 -

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Basic information

Entry
Database: PDB / ID: 7pfa
TitleTrinucleosome of the 4x197 nucleosome array containing H1
Components
  • (DNA (561-MER)) x 2
  • Histone H1.4
  • Histone H2A type 1-B/E
  • Histone H2B type 1-K
  • Histone H3.2
  • Histone H4
KeywordsDNA BINDING PROTEIN / Chromatin / Nucleosome / Linker Histone
Function / homology
Function and homology information


negative regulation of DNA recombination / Apoptosis induced DNA fragmentation / chromosome condensation / nucleosomal DNA binding / Formation of Senescence-Associated Heterochromatin Foci (SAHF) / negative regulation of megakaryocyte differentiation / heterochromatin / protein localization to CENP-A containing chromatin / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus ...negative regulation of DNA recombination / Apoptosis induced DNA fragmentation / chromosome condensation / nucleosomal DNA binding / Formation of Senescence-Associated Heterochromatin Foci (SAHF) / negative regulation of megakaryocyte differentiation / heterochromatin / protein localization to CENP-A containing chromatin / Chromatin modifying enzymes / Replacement of protamines by nucleosomes in the male pronucleus / CENP-A containing nucleosome / 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 / telomere organization / Interleukin-7 signaling / Inhibition of DNA recombination at telomere / RNA Polymerase I Promoter Opening / Meiotic synapsis / Assembly of the ORC complex at the origin of replication / Regulation of endogenous retroelements by the Human Silencing Hub (HUSH) complex / SUMOylation of chromatin organization proteins / DNA methylation / Condensation of Prophase Chromosomes / Chromatin modifications during the maternal to zygotic transition (MZT) / SIRT1 negatively regulates rRNA expression / HCMV Late Events / innate immune response in mucosa / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / PRC2 methylates histones and DNA / Regulation of endogenous retroelements by KRAB-ZFP proteins / Defective pyroptosis / HDACs deacetylate histones / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / Nonhomologous End-Joining (NHEJ) / RNA Polymerase I Promoter Escape / Transcriptional regulation by small RNAs / Formation of the beta-catenin:TCF transactivating complex / euchromatin / Activated PKN1 stimulates transcription of AR (androgen receptor) regulated genes KLK2 and KLK3 / RUNX1 regulates genes involved in megakaryocyte differentiation and platelet function / HDMs demethylate histones / G2/M DNA damage checkpoint / NoRC negatively regulates rRNA expression / chromatin DNA binding / DNA Damage/Telomere Stress Induced Senescence / B-WICH complex positively regulates rRNA expression / PKMTs methylate histone lysines / Meiotic recombination / Pre-NOTCH Transcription and Translation / Metalloprotease DUBs / histone deacetylase binding / RMTs methylate histone arginines / Activation of anterior HOX genes in hindbrain development during early embryogenesis / Transcriptional regulation of granulopoiesis / HCMV Early Events / antimicrobial humoral immune response mediated by antimicrobial peptide / structural constituent of chromatin / UCH proteinases / antibacterial humoral response / nucleosome / heterochromatin formation / nucleosome assembly / E3 ubiquitin ligases ubiquitinate target proteins / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / RUNX1 regulates transcription of genes involved in differentiation of HSCs / HATs acetylate histones / Factors involved in megakaryocyte development and platelet production / chromatin organization / MLL4 and MLL3 complexes regulate expression of PPARG target genes in adipogenesis and hepatic steatosis / Processing of DNA double-strand break ends / Senescence-Associated Secretory Phenotype (SASP) / double-stranded DNA binding / Oxidative Stress Induced Senescence / defense response to Gram-negative bacterium / gene expression / killing of cells of another organism / Estrogen-dependent gene expression / chromosome, telomeric region / defense response to Gram-positive bacterium / Ub-specific processing proteases / Amyloid fiber formation / protein heterodimerization activity / negative regulation of cell population proliferation / chromatin binding / negative regulation of transcription by RNA polymerase II / protein-containing complex / extracellular space / DNA binding / RNA binding / extracellular exosome / extracellular region / nucleoplasm / nucleus / membrane / cytosol
Similarity search - Function
Linker histone H1/H5 / linker histone H1 and H5 family / Linker histone H1/H5, domain H15 / Linker histone H1/H5 globular (H15) domain profile. / Domain in histone families 1 and 5 / : / Histone H2B signature. / Histone H2A conserved site / Histone H2A signature. / Histone H2B ...Linker histone H1/H5 / linker histone H1 and H5 family / Linker histone H1/H5, domain H15 / Linker histone H1/H5 globular (H15) domain profile. / Domain in histone families 1 and 5 / : / Histone H2B signature. / Histone H2A conserved site / Histone H2A signature. / Histone H2B / Histone H2B / Histone H2A, C-terminal domain / C-terminus of histone H2A / Histone 2A / Histone H2A / TATA box binding protein associated factor / TATA box binding protein associated factor (TAF), histone-like fold domain / Histone H4, conserved site / Histone H4 signature. / 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 domain / Histone-fold / Winged helix DNA-binding domain superfamily / Winged helix-like DNA-binding domain superfamily
Similarity search - Domain/homology
DNA / DNA (> 10) / DNA (> 100) / Histone H2B type 1-K / Histone H2A type 1-B/E / Histone H1.4 / Histone H4 / Histone H3.2
Similarity search - Component
Biological speciesHomo sapiens (human)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 9.7 Å
AuthorsDombrowski, M. / Cramer, P.
Funding supportEuropean Union, 1items
OrganizationGrant numberCountry
European Research Council (ERC)882357European Union
CitationJournal: Nat Struct Mol Biol / Year: 2022
Title: Histone H1 binding to nucleosome arrays depends on linker DNA length and trajectory.
Authors: Marco Dombrowski / Maik Engeholm / Christian Dienemann / Svetlana Dodonova / Patrick Cramer /
Abstract: Throughout the genome, nucleosomes often form regular arrays that differ in nucleosome repeat length (NRL), occupancy of linker histone H1 and transcriptional activity. Here, we report cryo-EM ...Throughout the genome, nucleosomes often form regular arrays that differ in nucleosome repeat length (NRL), occupancy of linker histone H1 and transcriptional activity. Here, we report cryo-EM structures of human H1-containing tetranucleosome arrays with four physiologically relevant NRLs. The structures show a zig-zag arrangement of nucleosomes, with nucleosomes 1 and 3 forming a stack. H1 binding to stacked nucleosomes depends on the NRL, whereas H1 always binds to the non-stacked nucleosomes 2 and 4. Short NRLs lead to altered trajectories of linker DNA, and these altered trajectories sterically impair H1 binding to the stacked nucleosomes in our structures. As the NRL increases, linker DNA trajectories relax, enabling H1 contacts and binding. Our results provide an explanation for why arrays with short NRLs are depleted of H1 and suited for transcription, whereas arrays with long NRLs show full H1 occupancy and can form transcriptionally silent heterochromatin regions.
History
DepositionAug 11, 2021Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 3, 2022Provider: repository / Type: Initial release
Revision 1.1Jul 17, 2024Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / em_3d_fitting_list / em_admin / pdbx_initial_refinement_model
Item: _em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id ..._em_3d_fitting_list.accession_code / _em_3d_fitting_list.initial_refinement_model_id / _em_3d_fitting_list.source_name / _em_3d_fitting_list.type / _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
K: Histone H3.2
L: Histone H4
M: Histone H2A type 1-B/E
N: Histone H2B type 1-K
O: Histone H3.2
P: Histone H4
Q: Histone H2A type 1-B/E
R: Histone H2B type 1-K
A: Histone H3.2
B: Histone H4
C: Histone H2A type 1-B/E
D: Histone H2B type 1-K
E: Histone H3.2
F: Histone H4
G: Histone H2A type 1-B/E
H: Histone H2B type 1-K
U: Histone H1.4
a: Histone H3.2
b: Histone H4
c: Histone H2A type 1-B/E
d: Histone H2B type 1-K
e: Histone H3.2
f: Histone H4
g: Histone H2A type 1-B/E
h: Histone H2B type 1-K
u: Histone H1.4
I: DNA (561-MER)
J: DNA (561-MER)


Theoretical massNumber of molelcules
Total (without water)872,74528
Polymers872,74528
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: native gel electrophoresis
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area195060 Å2
ΔGint-1162 kcal/mol
Surface area253710 Å2
MethodPISA

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Components

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Protein , 5 types, 26 molecules KOAEaeLPBFbfMQCGcgNRDHdhUu

#1: Protein
Histone H3.2 / Histone H3/m / Histone H3/o


Mass: 15389.036 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HIST2H3A, HIST2H3C, H3F2, H3FM, HIST2H3D / Production host: Escherichia coli (E. coli) / References: UniProt: Q71DI3
#2: Protein
Histone H4


Mass: 11394.426 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human)
Gene: HIST1H4A, H4/A, H4FA, HIST1H4B, H4/I, H4FI, HIST1H4C, H4/G, H4FG, HIST1H4D, H4/B, H4FB, HIST1H4E, H4/J, H4FJ, HIST1H4F, H4/C, H4FC, HIST1H4H, H4/H, H4FH, HIST1H4I, H4/M, H4FM, HIST1H4J, H4/E, ...Gene: HIST1H4A, H4/A, H4FA, HIST1H4B, H4/I, H4FI, HIST1H4C, H4/G, H4FG, HIST1H4D, H4/B, H4FB, HIST1H4E, H4/J, H4FJ, HIST1H4F, H4/C, H4FC, HIST1H4H, H4/H, H4FH, HIST1H4I, H4/M, H4FM, HIST1H4J, H4/E, H4FE, HIST1H4K, H4/D, H4FD, HIST1H4L, H4/K, H4FK, HIST2H4A, H4/N, H4F2, H4FN, HIST2H4, HIST2H4B, H4/O, H4FO, HIST4H4
Production host: Escherichia coli (E. coli) / References: UniProt: P62805
#3: Protein
Histone H2A type 1-B/E / Histone H2A.2 / Histone H2A/a / Histone H2A/m


Mass: 16344.873 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: H2AC4, H2AFM, HIST1H2AB, H2AC8, H2AFA, HIST1H2AE / Production host: Escherichia coli (E. coli) / References: UniProt: P04908
#4: Protein
Histone H2B type 1-K / H2B K / HIRA-interacting protein 1


Mass: 13921.213 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: HIST1H2BK, H2BFT, HIRIP1 / Production host: Escherichia coli (E. coli) / References: UniProt: O60814
#5: Protein Histone H1.4 / Histone H1b / Histone H1s-4


Mass: 21800.326 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: H1-4, H1F4, HIST1H1E / Production host: Escherichia coli (E. coli) / References: UniProt: P10412

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DNA chain , 2 types, 2 molecules IJ

#6: DNA chain DNA (561-MER)


Mass: 242284.766 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) synthetic construct (others) / Production host: Escherichia coli (E. coli)
#7: DNA chain DNA (561-MER)


Mass: 244561.938 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) synthetic construct (others) / Production host: Escherichia coli (E. coli)

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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

ComponentName: Trinucleosome from 4x197 array / Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES
Buffer solutionpH: 7
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 FIELD
Image recordingElectron dose: 60 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 9.7 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 14348 / Symmetry type: POINT
Atomic model buildingPDB-ID: 7K5Y

7k5y


Accession code: 7K5Y / Source name: PDB / Type: experimental model

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