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- EMDB-47355: A focus of tetramer (2) of the cryo-EM structure of human DNMT3A2... -

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Basic information

Entry
Database: EMDB / ID: EMD-47355
TitleA focus of tetramer (2) of the cryo-EM structure of human DNMT3A2-DNMT3B3 complex bound to di-nucleosome
Map data
Sample
  • Complex: DNMT3A/3B tetramer bound to di-nucleosome
    • Protein or peptide: Isoform 3 of DNA (cytosine-5)-methyltransferase 3B
    • Protein or peptide: DNA (cytosine-5)-methyltransferase 3A
  • Ligand: ZINC ION
  • Ligand: S-ADENOSYL-L-HOMOCYSTEINE
KeywordsDNMT3A2 / DNMT3B3 / DNA methylation / di-nucleosome / DNA BINDING PROTEIN
Function / homology
Function and homology information


DNA (cytosine-5-)-methyltransferase activity, acting on CpG substrates / transposable element silencing by piRNA-mediated DNA methylation / positive regulation of cellular response to hypoxia / protein-cysteine methyltransferase activity / DNA-methyltransferase activity / regulatory ncRNA-mediated heterochromatin formation / cellular response to bisphenol A / unmethylated CpG binding / DNA (cytosine-5-)-methyltransferase / DNA (cytosine-5-)-methyltransferase activity ...DNA (cytosine-5-)-methyltransferase activity, acting on CpG substrates / transposable element silencing by piRNA-mediated DNA methylation / positive regulation of cellular response to hypoxia / protein-cysteine methyltransferase activity / DNA-methyltransferase activity / regulatory ncRNA-mediated heterochromatin formation / cellular response to bisphenol A / unmethylated CpG binding / DNA (cytosine-5-)-methyltransferase / DNA (cytosine-5-)-methyltransferase activity / autosome genomic imprinting / SUMOylation of DNA methylation proteins / XY body / response to vitamin A / DNA methylation-dependent constitutive heterochromatin formation / hepatocyte apoptotic process / response to ionizing radiation / negative regulation of gene expression via chromosomal CpG island methylation / lncRNA binding / cellular response to ethanol / chromosome, centromeric region / catalytic complex / heterochromatin / Transferases; Transferring one-carbon groups; Methyltransferases / DNA methylation / post-embryonic development / PRC2 methylates histones and DNA / response to cocaine / Defective pyroptosis / cellular response to amino acid stimulus / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / euchromatin / NoRC negatively regulates rRNA expression / response to lead ion / response to toxic substance / nuclear matrix / RMTs methylate histone arginines / neuron differentiation / transcription corepressor activity / response to estradiol / spermatogenesis / methylation / cellular response to hypoxia / RNA polymerase II-specific DNA-binding transcription factor binding / RNA polymerase II cis-regulatory region sequence-specific DNA binding / response to xenobiotic stimulus / negative regulation of DNA-templated transcription / chromatin binding / positive regulation of gene expression / negative regulation of transcription by RNA polymerase II / DNA binding / zinc ion binding / nucleoplasm / identical protein binding / nucleus / cytoplasm
Similarity search - Function
DNA (cytosine-5)-methyltransferase 3A, ADD domain / : / DNA (cytosine-5-)-methyltransferase, N-terminal / DNA (cytosine-5)-methyltransferase 3B, ADD domain / 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 (cytosine-5)-methyltransferase 3A, ADD domain / : / DNA (cytosine-5-)-methyltransferase, N-terminal / DNA (cytosine-5)-methyltransferase 3B, ADD domain / 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 / Zinc finger, FYVE/PHD-type / S-adenosyl-L-methionine-dependent methyltransferase superfamily
Similarity search - Domain/homology
DNA (cytosine-5)-methyltransferase 3B / DNA (cytosine-5)-methyltransferase 3A
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.72 Å
AuthorsXie X / Zhou XE / Worden EJ / Jones PA
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI)R35CA209859 United States
CitationJournal: To Be Published
Title: The structure basis for de novo DNA methylation in chromatin
Authors: Xie X / Liu M / Zhou XE / Worden EJ / Jones PA
History
DepositionOct 17, 2024-
Header (metadata) releaseFeb 18, 2026-
Map releaseFeb 18, 2026-
UpdateFeb 18, 2026-
Current statusFeb 18, 2026Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_47355.png

Downloads & links

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Map

FileDownload / File: emd_47355.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 480 pix.
= 397.44 Å		0.83 Å/pix.
x 480 pix.
= 397.44 Å		0.83 Å/pix.
x 480 pix.
= 397.44 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.828 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.036
Minimum - Maximum-0.0017011943 - 4.660378
Average (Standard dev.)0.0002914069 (±0.012666284)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 397.44 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_47355_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_47355_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : DNMT3A/3B tetramer bound to di-nucleosome

EntireName: DNMT3A/3B tetramer bound to di-nucleosome
Components
  • Complex: DNMT3A/3B tetramer bound to di-nucleosome
    • Protein or peptide: Isoform 3 of DNA (cytosine-5)-methyltransferase 3B
    • Protein or peptide: DNA (cytosine-5)-methyltransferase 3A
  • Ligand: ZINC ION
  • Ligand: S-ADENOSYL-L-HOMOCYSTEINE

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Supramolecule #1: DNMT3A/3B tetramer bound to di-nucleosome

SupramoleculeName: DNMT3A/3B tetramer bound to di-nucleosome / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Isoform 3 of DNA (cytosine-5)-methyltransferase 3B

MacromoleculeName: Isoform 3 of DNA (cytosine-5)-methyltransferase 3B / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO / EC number: DNA (cytosine-5-)-methyltransferase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 86.702383 KDa
Recombinant expressionOrganism: Spodoptera (butterflies/moths)
SequenceString: MKGDTRHLNG EEDAGGREDS ILVNGACSDQ SSDSPPILEA IRTPEIRGRR SSSRLSKREV SSLLSYTQDL TGDGDGEDGD GSDTPVMPK LFRETRTRSE SPAVRTRNNN SVSSRERHRP SPRSTRGRQG RNHVDESPVE FPATRSLRRR ATASAGTPWP S PPSSYLTI ...String:
MKGDTRHLNG EEDAGGREDS ILVNGACSDQ SSDSPPILEA IRTPEIRGRR SSSRLSKREV SSLLSYTQDL TGDGDGEDGD GSDTPVMPK LFRETRTRSE SPAVRTRNNN SVSSRERHRP SPRSTRGRQG RNHVDESPVE FPATRSLRRR ATASAGTPWP S PPSSYLTI DLTDDTEDTH GTPQSSSTPY ARLAQDSQQG GMESPQVEAD SGDGDSSEYQ DGKEFGIGDL VWGKIKGFSW WP AMVVSWK ATSKRQAMSG MRWVQWFGDG KFSEVSADKL VALGLFSQHF NLATFNKLVS YRKAMYHALE KARVRAGKTF PSS PGDSLE DQLKPMLEWA HGGFKPTGIE GLKPNNTQPE NKTRRRTADD SATSDYCPAP KRLKTNCYNN GKDRGDEKDY DQSR EQMAS DVANNKSSLE DGCLSCGRKN PVSFHPLFEG GLCQTCRDRF LELFYMYDDD GYQSYCTVCC EGRELLLCSN TSCCR CFCV ECLEVLVGTG TAAEAKLQEP WSCYMCLPQR CHGVLRRRKD WNVRLQAFFT SDTGLEYEAP KLYPAIPAAR RRPIRV LSL FDGIATGYLV LKELGIKVGK YVASEVCEES IAVGTVKHEG NIKYVNDVRN ITKKNIEEWG PFDLVIGGSP CNDLSNV NP ARKGLYEGTG RLFFEFYHLL NYSRPKEGDD RPFFWMFENV VAMKVGDKRD ISRFLECNPV MIDAIKVSAA HRARYFWG N LPGMNRIFGF PVHYTDVSNM GRGARQKLLG RSWSVPVIRH LFAPLKDYFA CE

UniProtKB: DNA (cytosine-5)-methyltransferase 3B

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Macromolecule #2: DNA (cytosine-5)-methyltransferase 3A

MacromoleculeName: DNA (cytosine-5)-methyltransferase 3A / type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO / EC number: DNA (cytosine-5-)-methyltransferase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 77.914711 KDa
Recombinant expressionOrganism: Spodoptera (butterflies/moths)
SequenceString: MNAVEENQGP GESQKVEEAS PPAVQQPTDP ASPTVATTPE PVGSDAGDKN ATKAGDDEPE YEDGRGFGIG ELVWGKLRGF SWWPGRIVS WWMTGRSRAA EGTRWVMWFG DGKFSVVCVE KLMPLSSFCS AFHQATYNKQ PMYRKAIYEV LQVASSRAGK L FPVCHDSD ...String:
MNAVEENQGP GESQKVEEAS PPAVQQPTDP ASPTVATTPE PVGSDAGDKN ATKAGDDEPE YEDGRGFGIG ELVWGKLRGF SWWPGRIVS WWMTGRSRAA EGTRWVMWFG DGKFSVVCVE KLMPLSSFCS AFHQATYNKQ PMYRKAIYEV LQVASSRAGK L FPVCHDSD ESDTAKAVEV QNKPMIEWAL GGFQPSGPKG LEPPEEEKNP YKEVYTDMWV EPEAAAYAPP PPAKKPRKST AE KPKVKEI IDERTRERLV YEVRQKCRNI EDICISCGSL NVTLEHPLFV GGMCQNCKNC FLECAYQYDD DGYQSYCTIC CGG REVLMC GNNNCCRCFC VECVDLLVGP GAAQAAIKED PWNCYMCGHK GTYGLLRRRE DWPSRLQMFF ANNHDQEFDP PKVY PPVPA EKRKPIRVLS LFDGIATGLL VLKDLGIQVD RYIASEVCED SITVGMVRHQ GKIMYVGDVR SVTQKHIQEW GPFDL VIGG SPCNDLSIVN PARKGLYEGT GRLFFEFYRL LHDARPKEGD DRPFFWLFEN VVAMGVSDKR DISRFLESNP VMIDAK EVS AAHRARYFWG NLPGMNRPLA STVNDKLELQ ECLEHGRIAK FSKVRTITTR SNSIKQGKDQ HFPVFMNEKE DILWCTE ME RVFGFPVHYT DVSNMSRLAR QRLLGRSWSV PVIRHLFAPL KEYFACV

UniProtKB: DNA (cytosine-5)-methyltransferase 3A

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Macromolecule #3: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 3 / Number of copies: 9 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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Macromolecule #4: S-ADENOSYL-L-HOMOCYSTEINE

MacromoleculeName: S-ADENOSYL-L-HOMOCYSTEINE / type: ligand / ID: 4 / Number of copies: 2 / Formula: SAH
Molecular weightTheoretical: 384.411 Da
Chemical component information

ChemComp-SAH:
S-ADENOSYL-L-HOMOCYSTEINE

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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: 7.8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TALOS ARCTICA
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 61.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.5 µm / Nominal defocus min: 1.1 µm
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

CTF correctionType: NONE
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

6p7a

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.72 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 211221
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION

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