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- EMDB-43625: Human PRC2 - RvLEAM (short) (1:6 molar ratio), cross-linked 10 min -

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Basic information

Entry
Database: EMDB / ID: EMD-43625
TitleHuman PRC2 - RvLEAM (short) (1:6 molar ratio), cross-linked 10 min
Map data
Sample
  • Complex: Human polycomb-repressive complex 2 (PRC2)
KeywordsHuman polycomb repressive complex 2 / RvLEAM / air-water-interface / DNA BINDING PROTEIN
Function / homology
Function and homology information


protein localization to pericentric heterochromatin / hepatocyte homeostasis / regulation of kidney development / cellular response to trichostatin A / regulation of gliogenesis / negative regulation of striated muscle cell differentiation / [histone H3]-lysine27 N-trimethyltransferase / sex chromatin / negative regulation of keratinocyte differentiation / CAF-1 complex ...protein localization to pericentric heterochromatin / hepatocyte homeostasis / regulation of kidney development / cellular response to trichostatin A / regulation of gliogenesis / negative regulation of striated muscle cell differentiation / [histone H3]-lysine27 N-trimethyltransferase / sex chromatin / negative regulation of keratinocyte differentiation / CAF-1 complex / histone H3K27 trimethyltransferase activity / negative regulation of retinoic acid receptor signaling pathway / ubiquitin-modified histone reader activity / response to tetrachloromethane / skeletal muscle satellite cell maintenance involved in skeletal muscle regeneration / cerebellar cortex development / random inactivation of X chromosome / primary miRNA binding / regulatory ncRNA-mediated heterochromatin formation / histone H3K27 methyltransferase activity / facultative heterochromatin formation / negative regulation of cardiac muscle hypertrophy / negative regulation of cardiac muscle cell proliferation / positive regulation of cell cycle G1/S phase transition / NURF complex / NuRD complex / regulation of cell fate specification / negative regulation of stem cell population maintenance / DNA replication-dependent chromatin assembly / ESC/E(Z) complex / Transcription of E2F targets under negative control by p107 (RBL1) and p130 (RBL2) in complex with HDAC1 / chromatin silencing complex / regulation of stem cell differentiation / protein-lysine N-methyltransferase activity / RSC-type complex / negative regulation of stem cell differentiation / Transcription of E2F targets under negative control by DREAM complex / pronucleus / cardiac muscle hypertrophy in response to stress / Polo-like kinase mediated events / synaptic transmission, GABAergic / positive regulation of dendrite development / histone H3 methyltransferase activity / cardiac muscle cell proliferation / lncRNA binding / histone methyltransferase complex / negative regulation of G1/S transition of mitotic cell cycle / spinal cord development / G1 to G0 transition / negative regulation of gene expression, epigenetic / G1/S-Specific Transcription / positive regulation of stem cell population maintenance / ATPase complex / histone methyltransferase activity / Sin3-type complex / negative regulation of transcription elongation by RNA polymerase II / Transcriptional Regulation by E2F6 / oligodendrocyte differentiation / RNA Polymerase I Transcription Initiation / histone deacetylase complex / negative regulation of cell differentiation / G0 and Early G1 / subtelomeric heterochromatin formation / negative regulation of cytokine production involved in inflammatory response / RNA polymerase II core promoter sequence-specific DNA binding / ribonucleoprotein complex binding / pericentric heterochromatin / Cyclin E associated events during G1/S transition / Transcriptional regulation of brown and beige adipocyte differentiation by EBF2 / positive regulation of epithelial to mesenchymal transition / Cyclin A:Cdk2-associated events at S phase entry / spleen development / keratinocyte differentiation / Deposition of new CENPA-containing nucleosomes at the centromere / protein localization to chromatin / Regulation of TP53 Activity through Acetylation / enzyme activator activity / methylated histone binding / SUMOylation of chromatin organization proteins / B cell differentiation / liver development / positive regulation of GTPase activity / transcription corepressor binding / thymus development / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / negative regulation of cell migration / PRC2 methylates histones and DNA / cellular response to leukemia inhibitory factor / Regulation of PTEN gene transcription / ubiquitin binding / Regulation of endogenous retroelements by KRAB-ZFP proteins / Defective pyroptosis / hippocampus development / central nervous system development / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / stem cell differentiation / HDACs deacetylate histones / promoter-specific chromatin binding / liver regeneration / transcription coregulator activity
Similarity search - Function
: / EZH2, SET domain / Polycomb protein, VEFS-Box / VEFS-Box of polycomb protein / Histone-lysine N-methyltransferase EZH1/EZH2 / Polycomb repressive complex 2 subunit EZH1/EZH2, tri-helical domain / Pre-SET CXC domain / : / WD repeat binding protein EZH2 / Polycomb repressive complex 2 tri-helical domain ...: / EZH2, SET domain / Polycomb protein, VEFS-Box / VEFS-Box of polycomb protein / Histone-lysine N-methyltransferase EZH1/EZH2 / Polycomb repressive complex 2 subunit EZH1/EZH2, tri-helical domain / Pre-SET CXC domain / : / WD repeat binding protein EZH2 / Polycomb repressive complex 2 tri-helical domain / CXC domain / Ezh2, MCSS domain / Tesmin/TSO1-like CXC domain / Tesmin/TSO1-like CXC domain / CXC domain / Histone-lysine N-methyltransferase EZH1/2-like / CXC domain profile. / Histone-binding protein RBBP4, N-terminal / Histone-binding protein RBBP4 or subunit C of CAF1 complex / : / : / Zinc finger, C5HC2-type / C5HC2 zinc finger / ARID DNA-binding domain / ARID DNA-binding domain superfamily / ARID/BRIGHT DNA binding domain / ARID domain profile. / BRIGHT, ARID (A/T-rich interaction domain) domain / ARID/BRIGHT DNA binding domain / JmjN domain / jmjN domain / JmjN domain profile. / Small domain found in the jumonji family of transcription factors / SET (Su(var)3-9, Enhancer-of-zeste, Trithorax) domain / SET domain / SET domain superfamily / SET domain profile. / SET domain / SANT SWI3, ADA2, N-CoR and TFIIIB'' DNA-binding domains / JmjC domain, hydroxylase / SANT/Myb domain / A domain family that is part of the cupin metalloenzyme superfamily. / zinc finger / JmjC domain / JmjC domain profile. / Zinc finger C2H2 type domain profile. / Zinc finger C2H2 superfamily / Zinc finger C2H2 type domain signature. / Zinc finger C2H2-type / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD domain, G-beta repeat / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily
Similarity search - Domain/homology
Polycomb protein EED / Histone-binding protein RBBP4 / Polycomb protein SUZ12 / Histone-lysine N-methyltransferase EZH2 / Zinc finger protein AEBP2 / Protein Jumonji
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.1 Å
AuthorsAbe KM / Li G / Grant T / Lim CJ
Funding support United States, 3 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)T32 GM130550 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R00GM131023 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)DP2GM150023 United States
CitationJournal: To Be Published
Title: Human PRC2 - AavLEA1 (1:40 molar ratio)
Authors: Abe KM / Li G / Grant T / Lim CJ
History
DepositionFeb 5, 2024-
Header (metadata) releaseSep 4, 2024-
Map releaseSep 4, 2024-
UpdateSep 4, 2024-
Current statusSep 4, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_43625.png

Downloads & links

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Map

FileDownload / File: emd_43625.map.gz / Format: CCP4 / Size: 125 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.06 Å/pix.
x 320 pix.
= 340.48 Å		1.06 Å/pix.
x 320 pix.
= 340.48 Å		1.06 Å/pix.
x 320 pix.
= 340.48 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.064 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.0967
Minimum - Maximum-1.0502152 - 1.3645388
Average (Standard dev.)0.000021419106 (±0.02087896)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions320320320
Spacing320320320
CellA=B=C: 340.48 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #1

Fileemd_43625_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_43625_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 : Human polycomb-repressive complex 2 (PRC2)

EntireName: Human polycomb-repressive complex 2 (PRC2)
Components
  • Complex: Human polycomb-repressive complex 2 (PRC2)

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Supramolecule #1: Human polycomb-repressive complex 2 (PRC2)

SupramoleculeName: Human polycomb-repressive complex 2 (PRC2) / type: complex / ID: 1 / Parent: 0
Source (natural)Organism: Homo sapiens (human)

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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

Concentration0.33 mg/mL
BufferpH: 7.5
Component:
ConcentrationFormulaName
25.0 mMHEPESHEPES
150.0 mMNaClsodium chloride
1.0 mMTCEPTCEP
GridModel: C-flat-1.2/1.3 / Material: GOLD / Mesh: 300
VitrificationCryogen name: ETHANE / Chamber humidity: 95 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TALOS ARCTICA
Specialist opticsEnergy filter - Slit width: 20 eV
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 70.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.5 µm / Nominal defocus min: 1.0 µm
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

Startup modelType of model: NONE
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 366459
Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE
FSC plot (resolution estimation)

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