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- EMDB-41922: Cryo-EM structure of human DNMT3A UDR bound to H2AK119ub1-modifie... -

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Basic information

Entry
Database: EMDB / ID: EMD-41922
TitleCryo-EM structure of human DNMT3A UDR bound to H2AK119ub1-modified nucleosome
Map datamain map
Sample
  • Complex: DNMT3A N-terminal domain and H2AK119Ub nucleosome complex
    • Protein or peptide: DNA (cytosine-5)-methyltransferase 3A
    • DNA: nucleosome DNA
    • Protein or peptide: Ubiquitin
    • DNA: nucleosome DNA
    • Protein or peptide: Histone H3.3C
    • Protein or peptide: Histone H4
    • Protein or peptide: Histone H2A
    • Protein or peptide: Histone H2B 1.1
KeywordsDNA 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 / 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 ...positive regulation of cellular response to hypoxia / transposable element silencing by piRNA-mediated DNA methylation / protein-cysteine 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 / response to ionizing radiation / DNA methylation-dependent constitutive heterochromatin formation / negative regulation of gene expression via chromosomal CpG island methylation / hepatocyte apoptotic process / lncRNA binding / cellular response to ethanol / 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 / APC/C:Cdc20 mediated degradation of Cyclin B / Regulation of FZD by ubiquitination / Downregulation of ERBB4 signaling / APC-Cdc20 mediated degradation of Nek2A / p75NTR recruits signalling complexes / InlA-mediated entry of Listeria monocytogenes into host cells / TRAF6 mediated IRF7 activation in TLR7/8 or 9 signaling / TRAF6-mediated induction of TAK1 complex within TLR4 complex / Regulation of pyruvate metabolism / Regulation of innate immune responses to cytosolic DNA / 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 / DNA methylation / Synthesis of active ubiquitin: roles of E1 and E2 enzymes / Transferases; Transferring one-carbon groups; Methyltransferases / Regulation of BACH1 activity / MAP3K8 (TPL2)-dependent MAPK1/3 activation / TICAM1, RIP1-mediated IKK complex recruitment / Translesion synthesis by REV1 / Activation of IRF3, IRF7 mediated by TBK1, IKKε (IKBKE) / Translesion synthesis by POLK / InlB-mediated entry of Listeria monocytogenes into host cell / Downregulation of TGF-beta receptor signaling / Josephin domain DUBs / JNK (c-Jun kinases) phosphorylation and activation mediated by activated human TAK1 / Regulation of activated PAK-2p34 by proteasome mediated degradation / Translesion synthesis by POLI / IKK complex recruitment mediated by RIP1 / Gap-filling DNA repair synthesis and ligation in GG-NER / PRC2 methylates histones and DNA / PINK1-PRKN Mediated Mitophagy / TGF-beta receptor signaling in EMT (epithelial to mesenchymal transition) / TNFR1-induced NF-kappa-B signaling pathway / Defective pyroptosis / Autodegradation of Cdh1 by Cdh1:APC/C / post-embryonic development / APC/C:Cdc20 mediated degradation of Securin / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / TCF dependent signaling in response to WNT / Asymmetric localization of PCP proteins / Regulation of NF-kappa B signaling / Ubiquitin-dependent degradation of Cyclin D / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / activated TAK1 mediates p38 MAPK activation / Negative regulators of DDX58/IFIH1 signaling / TNFR2 non-canonical NF-kB pathway / AUF1 (hnRNP D0) binds and destabilizes mRNA / Regulation of signaling by CBL / cellular response to amino acid stimulus / 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 / Ubiquitin domain / Core histone H2A/H2B/H3/H4 / 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
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)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.23 Å
AuthorsChen X / Song J
Funding support United States, 1 items
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, 2023-
Header (metadata) releaseJun 12, 2024-
Map releaseJun 12, 2024-
UpdateMay 21, 2025-
Current statusMay 21, 2025Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_41922.png

Downloads & links

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Map

FileDownload / File: emd_41922.map.gz / Format: CCP4 / Size: 27 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationmain map
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesX (Sec.)Y (Row.)Z (Col.)
1.23 Å/pix.
x 192 pix.
= 237.062 Å		1.23 Å/pix.
x 192 pix.
= 237.062 Å		1.23 Å/pix.
x 192 pix.
= 237.062 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.2347 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 6.3
Minimum - Maximum-36.475200000000001 - 61.582479999999997
Average (Standard dev.)0.0044112154 (±2.0507336)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderZYX
Origin000
Dimensions192192192
Spacing192192192
CellA=B=C: 237.0624 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: additional map

Fileemd_41922_additional_1.map
Annotationadditional 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 N-terminal domain and H2AK119Ub nucleosome complex

EntireName: DNMT3A N-terminal domain and H2AK119Ub nucleosome complex
Components
  • Complex: DNMT3A N-terminal domain and H2AK119Ub nucleosome complex
    • Protein or peptide: DNA (cytosine-5)-methyltransferase 3A
    • DNA: nucleosome DNA
    • Protein or peptide: Ubiquitin
    • DNA: nucleosome DNA
    • Protein or peptide: Histone H3.3C
    • Protein or peptide: Histone H4
    • Protein or peptide: Histone H2A
    • Protein or peptide: Histone H2B 1.1

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Supramolecule #1: DNMT3A N-terminal domain and H2AK119Ub nucleosome complex

SupramoleculeName: DNMT3A N-terminal domain and H2AK119Ub nucleosome complex
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#8
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: DNA (cytosine-5)-methyltransferase 3A

MacromoleculeName: DNA (cytosine-5)-methyltransferase 3A / type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.070631 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
PEASRAVENG CCTPKEGRGA PAEAGKEQKE TNIESMKMEG SRGRLRGGLG WESSLRQRPM PRLTFQAGDP YYISKRKRDE WLARWKREA EKKAKVIAG

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

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Macromolecule #3: Ubiquitin

MacromoleculeName: Ubiquitin / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 8.576831 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
MQIFVKTLTG KTITLEVEPS DTIENVKAKI QDKEGIPPDQ QRLIFAGKQL EDGRTLSDYN IQKESTLHLV LRLRGG

UniProtKB: Polyubiquitin-C

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Macromolecule #5: Histone H3.3C

MacromoleculeName: Histone H3.3C / type: protein_or_peptide / ID: 5 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Xenopus laevis (African clawed frog)
Molecular weightTheoretical: 15.521349 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
MARTKQTARK STGGKAPRKQ LVTKAAKKCA PATGGVKKPH RYRPGTVALR EIRRYQKSTE LLIRKLPFQR LVREIAQDFK TDLRFQRSA VMALQEASEA YLVALFEDTN LCAIHAKRVT IMPKDIQLAR RIRGERA

UniProtKB: Histone H3.3C

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Macromolecule #6: Histone H4

MacromoleculeName: Histone H4 / type: protein_or_peptide / ID: 6 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Xenopus laevis (African clawed frog)
Molecular weightTheoretical: 11.394426 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
MSGRGKGGKG LGKGGAKRHR KVLRDNIQGI TKPAIRRLAR RGGVKRISGL IYEETRGVLK VFLENVIRDA VTYTEHAKRK TVTAMDVVY ALKRQGRTLY GFGG

UniProtKB: Histone H4

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Macromolecule #7: Histone H2A

MacromoleculeName: Histone H2A / type: protein_or_peptide / ID: 7 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Xenopus laevis (African clawed frog)
Molecular weightTheoretical: 14.083398 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
MSGRGKQGGK TRAKAKTRSS RAGLQFPVGR VHRLLRKGNY AERVGAGAPV YLAAVLEYLT AEILELAGNA ARDNKKTRII PRHLQLAVR NDEELNKLLG RVTIAQGGVL PNIQSVLLPK CTESSKSAKS K

UniProtKB: Histone H2A

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Macromolecule #8: Histone H2B 1.1

MacromoleculeName: Histone H2B 1.1 / type: protein_or_peptide / ID: 8 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Xenopus laevis (African clawed frog)
Molecular weightTheoretical: 13.655948 KDa
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString:
MAKSAPAPKK GSKKAVTKTQ KKDGKKRRKT RKESYAIYVY KVLKQVHPDT GISSKAMSIM NSFVNDVFER IAGEASRLAH YNKRSTITS REIQTAVRLL LPGELAKHAV SEGTKAVTKY TSAK

UniProtKB: Histone H2B 1.1

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Macromolecule #2: nucleosome DNA

MacromoleculeName: nucleosome DNA / type: dna / ID: 2 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 55.176137 KDa
SequenceString: (DG)(DC)(DT)(DC)(DT)(DC)(DT)(DA)(DC)(DG) (DT)(DA)(DA)(DA)(DC)(DA)(DT)(DC)(DC)(DT) (DG)(DG)(DA)(DG)(DA)(DA)(DT)(DC)(DC) (DC)(DG)(DG)(DT)(DG)(DC)(DC)(DG)(DA)(DG) (DG) (DC)(DC)(DG)(DC)(DT)(DC) ...String:
(DG)(DC)(DT)(DC)(DT)(DC)(DT)(DA)(DC)(DG) (DT)(DA)(DA)(DA)(DC)(DA)(DT)(DC)(DC)(DT) (DG)(DG)(DA)(DG)(DA)(DA)(DT)(DC)(DC) (DC)(DG)(DG)(DT)(DG)(DC)(DC)(DG)(DA)(DG) (DG) (DC)(DC)(DG)(DC)(DT)(DC)(DA)(DA) (DT)(DT)(DG)(DG)(DT)(DC)(DG)(DT)(DA)(DG) (DA)(DC) (DA)(DG)(DC)(DT)(DC)(DT)(DA) (DG)(DC)(DA)(DC)(DC)(DG)(DC)(DT)(DT)(DA) (DA)(DA)(DC) (DG)(DC)(DA)(DC)(DG)(DT) (DA)(DC)(DG)(DC)(DG)(DC)(DT)(DG)(DT)(DC) (DC)(DC)(DC)(DC) (DG)(DC)(DG)(DT)(DT) (DT)(DT)(DA)(DA)(DC)(DC)(DG)(DC)(DC)(DA) (DA)(DG)(DG)(DG)(DG) (DA)(DT)(DT)(DA) (DC)(DT)(DC)(DC)(DC)(DT)(DA)(DG)(DT)(DC) (DT)(DC)(DC)(DA)(DG)(DG) (DC)(DA)(DC) (DG)(DT)(DG)(DT)(DC)(DA)(DG)(DA)(DT)(DA) (DT)(DA)(DT)(DA)(DC)(DA)(DT) (DC)(DC) (DT)(DG)(DT)(DG)(DA)(DC)(DT)(DT)(DA)(DC) (DC)(DC)(DA)(DC)(DT)(DT)(DC)(DG)

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Macromolecule #4: nucleosome DNA

MacromoleculeName: nucleosome DNA / type: dna / ID: 4 / Number of copies: 1 / Classification: DNA
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 55.963656 KDa
SequenceString: (DC)(DG)(DA)(DA)(DG)(DT)(DG)(DG)(DG)(DT) (DA)(DA)(DG)(DT)(DC)(DA)(DC)(DA)(DG)(DG) (DA)(DT)(DG)(DT)(DA)(DT)(DA)(DT)(DA) (DT)(DC)(DT)(DG)(DA)(DC)(DA)(DC)(DG)(DT) (DG) (DC)(DC)(DT)(DG)(DG)(DA) ...String:
(DC)(DG)(DA)(DA)(DG)(DT)(DG)(DG)(DG)(DT) (DA)(DA)(DG)(DT)(DC)(DA)(DC)(DA)(DG)(DG) (DA)(DT)(DG)(DT)(DA)(DT)(DA)(DT)(DA) (DT)(DC)(DT)(DG)(DA)(DC)(DA)(DC)(DG)(DT) (DG) (DC)(DC)(DT)(DG)(DG)(DA)(DG)(DA) (DC)(DT)(DA)(DG)(DG)(DG)(DA)(DG)(DT)(DA) (DA)(DT) (DC)(DC)(DC)(DC)(DT)(DT)(DG) (DG)(DC)(DG)(DG)(DT)(DT)(DA)(DA)(DA)(DA) (DC)(DG)(DC) (DG)(DG)(DG)(DG)(DG)(DA) (DC)(DA)(DG)(DC)(DG)(DC)(DG)(DT)(DA)(DC) (DG)(DT)(DG)(DC) (DG)(DT)(DT)(DT)(DA) (DA)(DG)(DC)(DG)(DG)(DT)(DG)(DC)(DT)(DA) (DG)(DA)(DG)(DC)(DT) (DG)(DT)(DC)(DT) (DA)(DC)(DG)(DA)(DC)(DC)(DA)(DA)(DT)(DT) (DG)(DA)(DG)(DC)(DG)(DG) (DC)(DC)(DT) (DC)(DG)(DG)(DC)(DA)(DC)(DC)(DG)(DG)(DG) (DA)(DT)(DT)(DC)(DT)(DC)(DC) (DA)(DG) (DG)(DA)(DT)(DG)(DT)(DT)(DT)(DA)(DC)(DG) (DT)(DA)(DG)(DA)(DG)(DA)(DG)(DC)

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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: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.5 µm / Nominal defocus min: 0.8 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.23 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 86685
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION

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