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- PDB-8u5h: Cryo-EM structure of human DNMT3A UDR bound to H2AK119ub1-modifie... -

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Basic information

Entry
Database: PDB / ID: 8u5h
TitleCryo-EM structure of human DNMT3A UDR bound to H2AK119ub1-modified nucleosome
Components
  • (nucleosome DNA) x 2
  • DNA (cytosine-5)-methyltransferase 3A
  • Histone H2A
  • Histone H2B 1.1
  • Histone H3.3C
  • Histone H4
  • Ubiquitin
KeywordsSTRUCTURAL PROTEIN/TRANSFERASE/DNA / DNA cytosine methyltransferase / STRUCTURAL PROTEIN-TRANSFERASE-DNA complex
Function / homology
Function and homology information


positive regulation of cellular response to hypoxia / transposable element silencing by piRNA-mediated DNA methylation / protein-cysteine methyltransferase activity / regulatory ncRNA-mediated heterochromatin formation / DNA (cytosine-5-)-methyltransferase activity / cellular response to bisphenol A / unmethylated CpG binding / DNA (cytosine-5-)-methyltransferase activity, acting on CpN substrates / DNA (cytosine-5-)-methyltransferase activity, acting on CpNpG substrates / DNA (cytosine-5-)-methyltransferase ...positive regulation of cellular response to hypoxia / transposable element silencing by piRNA-mediated DNA methylation / protein-cysteine methyltransferase activity / regulatory ncRNA-mediated heterochromatin formation / DNA (cytosine-5-)-methyltransferase activity / cellular response to bisphenol A / unmethylated CpG binding / DNA (cytosine-5-)-methyltransferase activity, acting on CpN substrates / DNA (cytosine-5-)-methyltransferase activity, acting on CpNpG substrates / DNA (cytosine-5-)-methyltransferase / autosome genomic imprinting / SUMOylation of DNA methylation proteins / XY body / cellular response to ethanol / response to vitamin A / lncRNA binding / response to ionizing radiation / DNA methylation-dependent constitutive heterochromatin formation / negative regulation of gene expression via chromosomal CpG island methylation / hepatocyte apoptotic process / chromosome, centromeric region / catalytic complex / heterochromatin / Maturation of protein E / Maturation of protein E / ER Quality Control Compartment (ERQC) / Myoclonic epilepsy of Lafora / FLT3 signaling by CBL mutants / Prevention of phagosomal-lysosomal fusion / IRAK2 mediated activation of TAK1 complex / Alpha-protein kinase 1 signaling pathway / Glycogen synthesis / IRAK1 recruits IKK complex / IRAK1 recruits IKK complex upon TLR7/8 or 9 stimulation / Membrane binding and targetting of GAG proteins / Endosomal Sorting Complex Required For Transport (ESCRT) / Regulation of TBK1, IKKε (IKBKE)-mediated activation of IRF3, IRF7 / Negative regulation of FLT3 / PTK6 Regulates RTKs and Their Effectors AKT1 and DOK1 / Regulation of TBK1, IKKε-mediated activation of IRF3, IRF7 upon TLR3 ligation / Constitutive Signaling by NOTCH1 HD Domain Mutants / IRAK2 mediated activation of TAK1 complex upon TLR7/8 or 9 stimulation / NOTCH2 Activation and Transmission of Signal to the Nucleus / TICAM1,TRAF6-dependent induction of TAK1 complex / TICAM1-dependent activation of IRF3/IRF7 / Regulation of FZD by ubiquitination / APC/C:Cdc20 mediated degradation of Cyclin B / Downregulation of ERBB4 signaling / p75NTR recruits signalling complexes / APC-Cdc20 mediated degradation of Nek2A / Regulation of innate immune responses to cytosolic DNA / TRAF6 mediated IRF7 activation in TLR7/8 or 9 signaling / InlA-mediated entry of Listeria monocytogenes into host cells / TRAF6-mediated induction of TAK1 complex within TLR4 complex / Regulation of pyruvate metabolism / NF-kB is activated and signals survival / Downregulation of ERBB2:ERBB3 signaling / Pexophagy / NRIF signals cell death from the nucleus / VLDLR internalisation and degradation / Regulation of PTEN localization / Activated NOTCH1 Transmits Signal to the Nucleus / Synthesis of active ubiquitin: roles of E1 and E2 enzymes / Transferases; Transferring one-carbon groups; Methyltransferases / Regulation of BACH1 activity / DNA methylation / TICAM1, RIP1-mediated IKK complex recruitment / MAP3K8 (TPL2)-dependent MAPK1/3 activation / Translesion synthesis by REV1 / Translesion synthesis by POLK / Activation of IRF3, IRF7 mediated by TBK1, IKKε (IKBKE) / Downregulation of TGF-beta receptor signaling / InlB-mediated entry of Listeria monocytogenes into host cell / Regulation of activated PAK-2p34 by proteasome mediated degradation / Josephin domain DUBs / Translesion synthesis by POLI / JNK (c-Jun kinases) phosphorylation and activation mediated by activated human TAK1 / IKK complex recruitment mediated by RIP1 / Gap-filling DNA repair synthesis and ligation in GG-NER / PINK1-PRKN Mediated Mitophagy / PRC2 methylates histones and DNA / TGF-beta receptor signaling in EMT (epithelial to mesenchymal transition) / TNFR1-induced NF-kappa-B signaling pathway / Autodegradation of Cdh1 by Cdh1:APC/C / APC/C:Cdc20 mediated degradation of Securin / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / Defective pyroptosis / TCF dependent signaling in response to WNT / Asymmetric localization of PCP proteins / Ubiquitin-dependent degradation of Cyclin D / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / Regulation of NF-kappa B signaling / TNFR2 non-canonical NF-kB pathway / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / activated TAK1 mediates p38 MAPK activation / AUF1 (hnRNP D0) binds and destabilizes mRNA / Negative regulators of DDX58/IFIH1 signaling / Vpu mediated degradation of CD4 / NOTCH3 Activation and Transmission of Signal to the Nucleus
Similarity search - Function
DNA (cytosine-5)-methyltransferase 3A, ADD domain / : / DNA (cytosine-5-)-methyltransferase, N-terminal / DNMT3, cysteine rich ADD domain / : / DNMT3, cysteine rich ADD domain, GATA1-like zinc finger / DNMT3, ADD PHD zinc finger / ADD domain / ADD domain profile. / DNA methylase, C-5 cytosine-specific, active site ...DNA (cytosine-5)-methyltransferase 3A, ADD domain / : / DNA (cytosine-5-)-methyltransferase, N-terminal / DNMT3, cysteine rich ADD domain / : / DNMT3, cysteine rich ADD domain, GATA1-like zinc finger / DNMT3, ADD PHD zinc finger / ADD domain / ADD domain profile. / DNA methylase, C-5 cytosine-specific, active site / C-5 cytosine-specific DNA methylases active site. / C-5 cytosine-specific DNA methylase (Dnmt) domain profile. / C-5 cytosine methyltransferase / C-5 cytosine-specific DNA methylase / domain with conserved PWWP motif / PWWP domain / PWWP domain profile. / PWWP domain / : / 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 / : / Ubiquitin domain signature. / Ubiquitin conserved site / Histone H2A/H2B/H3 / Core histone H2A/H2B/H3/H4 / Ubiquitin domain / Histone-fold / Ubiquitin family / Ubiquitin homologues / Ubiquitin domain profile. / Ubiquitin-like domain / Ubiquitin-like domain superfamily / S-adenosyl-L-methionine-dependent methyltransferase superfamily
Similarity search - Domain/homology
DNA / DNA (> 10) / DNA (> 100) / Histone H4 / Histone H2B 1.1 / Histone H3.3C / Polyubiquitin-C / Histone H2A / DNA (cytosine-5)-methyltransferase 3A
Similarity search - Component
Biological speciesHomo sapiens (human)
Xenopus laevis (African clawed frog)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.23 Å
AuthorsChen, X. / Song, J.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) United States
CitationJournal: Nat Commun / Year: 2024
Title: Structural basis for the H2AK119ub1-specific DNMT3A-nucleosome interaction.
Authors: Xinyi Chen / Yiran Guo / Ting Zhao / Jiuwei Lu / Jian Fang / Yinsheng Wang / Gang Greg Wang / Jikui Song /
Abstract: Isoform 1 of DNA methyltransferase DNMT3A (DNMT3A1) specifically recognizes nucleosome monoubiquitylated at histone H2A lysine-119 (H2AK119ub1) for establishment of DNA methylation. Mis-regulation of ...Isoform 1 of DNA methyltransferase DNMT3A (DNMT3A1) specifically recognizes nucleosome monoubiquitylated at histone H2A lysine-119 (H2AK119ub1) for establishment of DNA methylation. Mis-regulation of this process may cause aberrant DNA methylation and pathogenesis. However, the molecular basis underlying DNMT3A1-nucleosome interaction remains elusive. Here we report the cryo-EM structure of DNMT3A1's ubiquitin-dependent recruitment (UDR) fragment complexed with H2AK119ub1-modified nucleosome. DNMT3A1 UDR occupies an extensive nucleosome surface, involving the H2A-H2B acidic patch, a surface groove formed by H2A and H3, nucleosomal DNA, and H2AK119ub1. The DNMT3A1 UDR's interaction with H2AK119ub1 affects the functionality of DNMT3A1 in cells in a context-dependent manner. Our structural and biochemical analysis also reveals competition between DNMT3A1 and JARID2, a cofactor of polycomb repression complex 2 (PRC2), for nucleosome binding, suggesting the interplay between different epigenetic pathways. Together, this study reports a molecular basis for H2AK119ub1-dependent DNMT3A1-nucleosome association, with important implications in DNMT3A1-mediated DNA methylation in development.
History
DepositionSep 12, 2023Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 12, 2024Provider: repository / Type: Initial release
Revision 1.1Dec 25, 2024Group: Data collection / Database references / Structure summary
Category: citation / citation_author ...citation / citation_author / em_admin / pdbx_entry_details
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: DNA (cytosine-5)-methyltransferase 3A
B: DNA (cytosine-5)-methyltransferase 3A
C: nucleosome DNA
D: Ubiquitin
H: nucleosome DNA
I: Histone H3.3C
J: Histone H4
K: Histone H2A
M: Histone H2B 1.1
O: Histone H3.3C
Q: Histone H4
R: Histone H2A
S: Histone H2B 1.1


Theoretical massNumber of molelcules
Total (without water)251,16813
Polymers251,16813
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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Protein , 6 types, 11 molecules ABDIOJQKRMS

#1: Protein DNA (cytosine-5)-methyltransferase 3A / DNMT3A


Mass: 11070.631 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: DNMT3A / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: Q9Y6K1
#3: Protein Ubiquitin


Mass: 8576.831 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: UBC / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P0CG48
#5: Protein Histone H3.3C


Mass: 15521.349 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Xenopus laevis (African clawed frog) / Gene: h3-5 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P02302
#6: Protein Histone H4


Mass: 11394.426 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Xenopus laevis (African clawed frog) / Gene: LOC121398084 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: A0A8J1LTD2
#7: Protein Histone H2A


Mass: 14083.398 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Xenopus laevis (African clawed frog) / Gene: h2ac14.L / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: Q6AZJ8
#8: Protein Histone H2B 1.1 / H2B1.1


Mass: 13655.948 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Xenopus laevis (African clawed frog) / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P02281

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DNA chain , 2 types, 2 molecules CH

#2: DNA chain nucleosome DNA


Mass: 55176.137 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli BL21(DE3) (bacteria)
#4: DNA chain nucleosome DNA


Mass: 55963.656 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli BL21(DE3) (bacteria)

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Details

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: DNMT3A N-terminal domain and H2AK119Ub nucleosome complex
Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Escherichia coli BL21(DE3) (bacteria)
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 FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 800 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.23 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 86685 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00514315
ELECTRON MICROSCOPYf_angle_d0.70520703
ELECTRON MICROSCOPYf_dihedral_angle_d33.0784154
ELECTRON MICROSCOPYf_chiral_restr0.0552365
ELECTRON MICROSCOPYf_plane_restr0.0051540

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