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Open data
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Basic information
| Entry | Database: PDB / ID: 8vml | |||||||||||||||||||||||||||||||||
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| Title | PRC2_AJ1-450 bound to H3K4me3 | |||||||||||||||||||||||||||||||||
Components |
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Keywords | GENE REGULATION / complex / methyltransferase / histone / epigenetics | |||||||||||||||||||||||||||||||||
| Function / homology | Function and homology informationregulation of kidney development / [histone H3]-lysine27 N-trimethyltransferase / CAF-1 complex / DRM complex / negative regulation of retinoic acid receptor signaling pathway / histone H3K27 trimethyltransferase activity / primary miRNA binding / histone H3K27 methyltransferase activity / pronucleus / ubiquitin-modified histone reader activity ...regulation of kidney development / [histone H3]-lysine27 N-trimethyltransferase / CAF-1 complex / DRM complex / negative regulation of retinoic acid receptor signaling pathway / histone H3K27 trimethyltransferase activity / primary miRNA binding / histone H3K27 methyltransferase activity / pronucleus / ubiquitin-modified histone reader activity / facultative heterochromatin formation / positive regulation of cell cycle G1/S phase transition / sex chromatin / NURF complex / NuRD complex / regulatory ncRNA-mediated heterochromatin formation / regulation of cell fate specification / negative regulation of stem cell population maintenance / regulation of stem cell differentiation / RSC-type complex / ESC/E(Z) complex / Transcription of E2F targets under negative control by p107 (RBL1) and p130 (RBL2) in complex with HDAC1 / DNA replication-dependent chromatin assembly / rhythmic process / protein-lysine N-methyltransferase activity / Polo-like kinase mediated events / Transcription of E2F targets under negative control by DREAM complex / chromatin silencing complex / positive regulation of dendrite development / histone H3K9me2/3 reader activity / positive regulation of protein serine/threonine kinase activity / spinal cord development / histone H3 methyltransferase activity / histone methyltransferase activity / synaptic transmission, GABAergic / negative regulation of gene expression, epigenetic / G1/S-Specific Transcription / ATPase complex / histone deacetylase complex / positive regulation of MAP kinase activity / positive regulation of stem cell population maintenance / Sin3-type complex / Transcriptional Regulation by E2F6 / lncRNA binding / histone methyltransferase complex / RNA Polymerase I Transcription Initiation / negative regulation of cell differentiation / G0 and Early G1 / subtelomeric heterochromatin formation / positive regulation of GTPase activity / positive regulation of epithelial to mesenchymal transition / ribonucleoprotein complex binding / Differentiation of naive CD4+ T cells to T helper 2 cells (Th2 cells) / Cyclin E associated events during G1/S transition / pericentric heterochromatin / Transcriptional regulation of brown and beige adipocyte differentiation by EBF2 / RNA polymerase II core promoter sequence-specific DNA binding / Cyclin A:Cdk2-associated events at S phase entry / Regulation of TP53 Activity through Acetylation / B cell differentiation / stem cell differentiation / Chromatin modifying enzymes / nucleosome binding / heterochromatin / negative regulation of cytokine production involved in inflammatory response / methylation / negative regulation of cell migration / telomere organization / ChAHP complex assembly / Interleukin-7 signaling / Deposition of new CENPA-containing nucleosomes at the centromere / negative regulation of transforming growth factor beta receptor signaling pathway / RNA Polymerase I Promoter Opening / hippocampus development / Regulation of PTEN gene transcription / transcription corepressor binding / Assembly of the ORC complex at the origin of replication / FXIIa activates plasma kallikrein-kinin system / SUMOylation of chromatin organization proteins / Regulation of endogenous retroelements by the Human Silencing Hub (HUSH) complex / central nervous system development / DNA methylation / Condensation of Prophase Chromosomes / Chromatin modifications during the maternal to zygotic transition (MZT) / HCMV Late Events / SIRT1 negatively regulates rRNA expression / NuRD complex assembly / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / Interaction of NuRD complexes with transcription factors / brain development / PRC2 methylates histones and DNA / Regulation of endogenous retroelements by KRAB-ZFP proteins / Defective pyroptosis / ubiquitin binding / CHD1 and CHD2 subfamily / HDACs deacetylate histones / CHD6, CHD7, CHD8, CHD9 subfamily / Transcriptional regulation by small RNAs / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / RNA Polymerase I Promoter Escape Similarity search - Function | |||||||||||||||||||||||||||||||||
| Biological species | Homo sapiens (human) | |||||||||||||||||||||||||||||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.5 Å | |||||||||||||||||||||||||||||||||
Authors | Cookis, T. / Nogales, E. | |||||||||||||||||||||||||||||||||
| Funding support | United States, 2items
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Citation | Journal: Nat Struct Mol Biol / Year: 2025Title: Structural basis for the inhibition of PRC2 by active transcription histone posttranslational modifications. Authors: Trinity Cookis / Alexandria Lydecker / Paul Sauer / Vignesh Kasinath / Eva Nogales / ![]() Abstract: Polycomb repressive complex 2 (PRC2) trimethylates histone H3 on K27 (H3K27me3) leading to gene silencing that is essential for embryonic development and maintenance of cell identity. PRC2 is ...Polycomb repressive complex 2 (PRC2) trimethylates histone H3 on K27 (H3K27me3) leading to gene silencing that is essential for embryonic development and maintenance of cell identity. PRC2 is regulated by protein cofactors and their crosstalk with histone modifications. Trimethylated histone H3 on K4 (H3K4me3) and K36 (H3K36me3) localize to sites of active transcription and inhibit PRC2 activity through unknown mechanisms. Using cryo-electron microscopy, we reveal that histone H3 tails containing H3K36me3 engage poorly with PRC2 and preclude its effective interaction with chromatin, while H3K4me3 binds to the allosteric site in the EED subunit, acting as an antagonist that competes with activators required for spreading of the H3K27me3 repressive mark. Thus, the location of the H3K4me3 and H3K36me3 modifications along the H3 tail allows them to target two requirements for efficient trimethylation of H3K27 by PRC2. We further show that the JARID2 cofactor modulates PRC2 activity in the presence of these histone modifications. | |||||||||||||||||||||||||||||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 8vml.cif.gz | 406.5 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb8vml.ent.gz | 297.4 KB | Display | PDB format |
| PDBx/mmJSON format | 8vml.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/vm/8vml ftp://data.pdbj.org/pub/pdb/validation_reports/vm/8vml | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 43359MC ![]() 8vmiC ![]() 8vmjC ![]() 8vmnC ![]() 8vnvC ![]() 8vnzC ![]() 8vo0C ![]() 8vobC M: map data used to model this data C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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Components
-Protein , 6 types, 6 molecules ABCLNP
| #1: Protein | Mass: 83181.922 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: SUZ12, CHET9, JJAZ1, KIAA0160 / Cell line (production host): Sf9 / Production host: ![]() |
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| #2: Protein | Mass: 139021.812 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: JARID2, JMJ / Cell line (production host): Sf9 / Production host: ![]() |
| #3: Protein | Mass: 85492.297 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: EZH2, KMT6 / Cell line (production host): Sf9 / Production host: ![]() References: UniProt: Q15910, [histone H3]-lysine27 N-trimethyltransferase |
| #5: Protein | Mass: 50267.691 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: EED / Production host: ![]() |
| #6: Protein | Mass: 47709.527 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: RBBP4, RBAP48 / Production host: ![]() |
| #7: Protein | Mass: 34042.133 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Gene: AEBP2 / Production host: ![]() |
-Protein/peptide , 1 types, 1 molecules I
| #4: Protein/peptide | Mass: 2280.694 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human)Gene: H3C1, H3FA, HIST1H3A, H3C2, H3FL, HIST1H3B, H3C3, H3FC HIST1H3C, H3C4, H3FB, HIST1H3D, H3C6, H3FD, HIST1H3E, H3C7, H3FI, HIST1H3F, H3C8, H3FH, HIST1H3G, H3C10, H3FK, HIST1H3H, H3C11, H3FF, ...Gene: H3C1, H3FA, HIST1H3A, H3C2, H3FL, HIST1H3B, H3C3, H3FC HIST1H3C, H3C4, H3FB, HIST1H3D, H3C6, H3FD, HIST1H3E, H3C7, H3FI, HIST1H3F, H3C8, H3FH, HIST1H3G, H3C10, H3FK, HIST1H3H, H3C11, H3FF, HIST1H3I, H3C12, H3FJ, HIST1H3J Production host: ![]() |
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-Details
| Has ligand of interest | N |
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| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: ELECTRON MICROSCOPY |
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| EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
| Component | Name: PRC2_AJ1-450 bound to H3K4me3-modified nucleosome / Type: COMPLEX / Entity ID: all / Source: RECOMBINANT |
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| Molecular weight | Value: 0.35 MDa / Experimental value: NO |
| Source (natural) | Organism: Homo sapiens (human) |
| Source (recombinant) | Organism: ![]() |
| Buffer solution | pH: 7.5 |
| Specimen | Conc.: 0.28 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
| Vitrification | Instrument: LEICA EM GP / Cryogen name: ETHANE / Humidity: 95 % / Chamber temperature: 291 K |
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Electron microscopy imaging
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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| Microscopy | Model: TFS KRIOS |
| Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 1800 nm / Nominal defocus min: 800 nm / Cs: 2.7 mm |
| Image recording | Electron dose: 50 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
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Processing
| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
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| 3D reconstruction | Resolution: 3.5 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 102257 / Symmetry type: POINT |
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Homo sapiens (human)
United States, 2items
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FIELD EMISSION GUN