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- PDB-8vwu: Nucleosome containing 8oxoG at SHL4 -

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Basic information

Entry
Database: PDB / ID: 8vwu
TitleNucleosome containing 8oxoG at SHL4
Components
  • 601 I strand (damaged strand)
  • 601 J strand (non-damaged strand)
  • Histone H2A type 1
  • Histone H2B type 1-C/E/F/G/I
  • Histone H3.2
  • Histone H4
KeywordsDNA BINDING PROTEIN/DNA / Nucleosome / OGG1 / DNA Repair / DNA BINDING PROTEIN / DNA BINDING PROTEIN-DNA complex
Function / homology
Function and homology information


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 / 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 ...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 / 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 / Meiotic synapsis / Inhibition of DNA recombination at telomere / Interleukin-7 signaling / RNA Polymerase I Promoter Opening / 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) / HCMV Late Events / SIRT1 negatively regulates rRNA expression / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / innate immune response in mucosa / PRC2 methylates histones and DNA / Regulation of endogenous retroelements by KRAB-ZFP proteins / Defective pyroptosis / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / HDACs deacetylate histones / Nonhomologous End-Joining (NHEJ) / RNA Polymerase I Promoter Escape / 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 / G2/M DNA damage checkpoint / HDMs demethylate histones / NoRC negatively regulates rRNA expression / 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 / RMTs methylate histone arginines / Activation of anterior HOX genes in hindbrain development during early embryogenesis / HCMV Early Events / Transcriptional regulation of granulopoiesis / heterochromatin formation / nucleosome assembly / structural constituent of chromatin / antimicrobial humoral immune response mediated by antimicrobial peptide / UCH proteinases / antibacterial humoral response / nucleosome / E3 ubiquitin ligases ubiquitinate target proteins / Recruitment and ATM-mediated phosphorylation of repair and signaling proteins at DNA double strand breaks / chromatin organization / RUNX1 regulates transcription of genes involved in differentiation of HSCs / HATs acetylate histones / Factors involved in megakaryocyte development and platelet production / Processing of DNA double-strand break ends / MLL4 and MLL3 complexes regulate expression of PPARG target genes in adipogenesis and hepatic steatosis / Senescence-Associated Secretory Phenotype (SASP) / Oxidative Stress Induced Senescence / Estrogen-dependent gene expression / chromosome, telomeric region / defense response to Gram-positive bacterium / Ub-specific processing proteases / protein heterodimerization activity / Amyloid fiber formation / enzyme binding / protein-containing complex / DNA binding / extracellular space / RNA binding / extracellular exosome / extracellular region / nucleoplasm / identical protein binding / nucleus / membrane / cytosol
Similarity search - Function
: / 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 H2A / Histone 2A ...: / 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 H2A / Histone 2A / 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 / Histone-fold
Similarity search - Domain/homology
DNA / DNA (> 10) / DNA (> 100) / Histone H2A type 1 / Histone H4 / Histone H2B type 1-C/E/F/G/I / Histone H3.2
Similarity search - Component
Biological speciesHomo sapiens (human)
synthetic construct (others)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3 Å
AuthorsWeaver, T.M. / Ling, J.A. / Freudenthal, B.D.
Funding support United States, 2items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R35GM128562 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)F32GM140718 United States
CitationJournal: Nat Commun / Year: 2024
Title: Contributing factors to the oxidation-induced mutational landscape in human cells.
Authors: Cameron Cordero / Kavi P M Mehta / Tyler M Weaver / Justin A Ling / Bret D Freudenthal / David Cortez / Steven A Roberts /
Abstract: 8-oxoguanine (8-oxoG) is a common oxidative DNA lesion that causes G > T substitutions. Determinants of local and regional differences in 8-oxoG-induced mutability across genomes are currently ...8-oxoguanine (8-oxoG) is a common oxidative DNA lesion that causes G > T substitutions. Determinants of local and regional differences in 8-oxoG-induced mutability across genomes are currently unknown. Here, we show DNA oxidation induces G > T substitutions and insertion/deletion (INDEL) mutations in human cells and cancers. Potassium bromate (KBrO)-induced 8-oxoGs occur with similar sequence preferences as their derived substitutions, indicating that the reactivity of specific oxidants dictates mutation sequence specificity. While 8-oxoG occurs uniformly across chromatin, 8-oxoG-induced mutations are elevated in compact genomic regions, within nucleosomes, and at inward facing guanines within strongly positioned nucleosomes. Cryo-electron microscopy structures of OGG1-nucleosome complexes indicate that these effects originate from OGG1's ability to flip outward positioned 8-oxoG lesions into the catalytic pocket while inward facing lesions are occluded by the histone octamer. Mutation spectra from human cells with DNA repair deficiencies reveals contributions of a DNA repair network limiting 8-oxoG mutagenesis, where OGG1- and MUTYH-mediated base excision repair is supplemented by the replication-associated factors Pol η and HMCES. Transcriptional asymmetry of KBrO-induced mutations in OGG1- and Pol η-deficient cells also demonstrates transcription-coupled repair can prevent 8-oxoG-induced mutation. Thus, oxidant chemistry, chromatin structures, and DNA repair processes combine to dictate the oxidative mutational landscape in human genomes.
History
DepositionFeb 2, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 30, 2024Provider: repository / Type: Initial release
Revision 1.1Jan 15, 2025Group: Data collection / Database references / Category: citation / citation_author / em_admin
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 / _em_admin.last_update

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Histone H3.2
B: Histone H4
C: Histone H2A type 1
D: Histone H2B type 1-C/E/F/G/I
E: Histone H3.2
F: Histone H4
G: Histone H2A type 1
H: Histone H2B type 1-C/E/F/G/I
I: 601 I strand (damaged strand)
J: 601 J strand (non-damaged strand)


Theoretical massNumber of molelcules
Total (without water)199,40010
Polymers199,40010
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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Protein , 4 types, 8 molecules AEBFCGDH

#1: Protein Histone H3.2 / H3-clustered histone 13 / H3-clustered histone 14 / H3-clustered histone 15 / Histone H3/m / Histone H3/o


Mass: 15257.838 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human)
Gene: H3C15, HIST2H3A, H3C14, H3F2, H3FM, HIST2H3C, H3C13, HIST2H3D
Production host: Escherichia coli (E. coli) / References: UniProt: Q71DI3
#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)
Gene: H4C1, H4/A, H4FA, HIST1H4A, H4C2, H4/I, H4FI, HIST1H4B, H4C3, H4/G, H4FG, HIST1H4C, H4C4, H4/B, H4FB, HIST1H4D, H4C5, H4/J, H4FJ, HIST1H4E, H4C6, H4/C, H4FC, HIST1H4F, H4C8, H4/H, H4FH, ...Gene: H4C1, H4/A, H4FA, HIST1H4A, H4C2, H4/I, H4FI, HIST1H4B, H4C3, H4/G, H4FG, HIST1H4C, H4C4, H4/B, H4FB, HIST1H4D, H4C5, H4/J, H4FJ, HIST1H4E, H4C6, H4/C, H4FC, HIST1H4F, H4C8, H4/H, H4FH, HIST1H4H, H4C9, H4/M, H4FM, HIST1H4I, H4C11, H4/E, H4FE, HIST1H4J, H4C12, H4/D, H4FD, HIST1H4K, H4C13, H4/K, H4FK, HIST1H4L, H4C14, H4/N, H4F2, H4FN, HIST2H4, HIST2H4A, H4C15, H4/O, H4FO, HIST2H4B, H4-16, HIST4H4
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)
Gene: H2AC11, H2AFP, HIST1H2AG, H2AC13, H2AFC, HIST1H2AI, H2AC15, H2AFD, HIST1H2AK, H2AC16, H2AFI, HIST1H2AL, H2AC17, H2AFN, HIST1H2AM
Production host: Escherichia coli (E. coli) / References: UniProt: P0C0S8
#4: Protein Histone H2B type 1-C/E/F/G/I / Histone H2B.1 A / Histone H2B.a / H2B/a / Histone H2B.g / H2B/g / Histone H2B.h / H2B/h / Histone ...Histone H2B.1 A / Histone H2B.a / H2B/a / Histone H2B.g / H2B/g / Histone H2B.h / H2B/h / Histone H2B.k / H2B/k / Histone H2B.l / H2B/l


Mass: 13806.018 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human)
Gene: H2BC4, H2BFL, HIST1H2BC, H2BC6, H2BFH, HIST1H2BE, H2BC7, H2BFG, HIST1H2BF, H2BC8, H2BFA, HIST1H2BG, H2BC10, H2BFK, HIST1H2BI
Production host: Escherichia coli (E. coli) / References: UniProt: P62807

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DNA chain , 2 types, 2 molecules IJ

#5: DNA chain 601 I strand (damaged strand)


Mass: 45154.770 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)
#6: DNA chain 601 J strand (non-damaged strand)


Mass: 45610.043 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others)

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Details

Has ligand of interestY
Has protein modificationN

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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: Nucleosome containing 8oxoG at SHL4 / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.1
Details: 50 mM HEPES (pH-7.1), 100 mM NaCl, 1 mM TCEP, and 1 mM EDTA
Buffer component
IDConc.NameFormulaBuffer-ID
150 mMN-2-hydroxyethylpiperazine-N-2-ethane sulfonic acidHEPES1
2100 mMSodium ChlorideNaCl1
31 mMTris (2-carboxyethyl) phosphineTCEP-HCl1
41 mMEthylenediaminetetraaceticEDTA1
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 277.15 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: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 500 nm
Image recordingElectron dose: 60 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

EM software
IDNameVersionCategory
4cryoSPARCv4.3CTF correction
10cryoSPARCv4.3initial Euler assignment
11cryoSPARCv4.3final Euler assignment
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 57129 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00312834
ELECTRON MICROSCOPYf_angle_d0.55818592
ELECTRON MICROSCOPYf_dihedral_angle_d27.5925285
ELECTRON MICROSCOPYf_chiral_restr0.0342116
ELECTRON MICROSCOPYf_plane_restr0.0041331

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