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データを開く
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基本情報
登録情報 | ![]() | |||||||||
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タイトル | PRC2 monomer bound to nucleosome | |||||||||
![]() | PRC2 monomer bound to nucleosome, 3DFlex reconstruction, locally filtered | |||||||||
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![]() | Histone methyl transferase / gene repression / epigenetics / chromatin / GENE REGULATION | |||||||||
機能・相同性 | ![]() hepatocyte homeostasis / cellular response to trichostatin A / regulation of gliogenesis / negative regulation of striated muscle cell differentiation / regulation of kidney development / [histone H3]-lysine27 N-trimethyltransferase / response to tetrachloromethane / CAF-1 complex / negative regulation of keratinocyte differentiation / histone H3K27 trimethyltransferase activity ...hepatocyte homeostasis / cellular response to trichostatin A / regulation of gliogenesis / negative regulation of striated muscle cell differentiation / regulation of kidney development / [histone H3]-lysine27 N-trimethyltransferase / response to tetrachloromethane / CAF-1 complex / negative regulation of keratinocyte differentiation / histone H3K27 trimethyltransferase activity / negative regulation of retinoic acid receptor signaling pathway / cerebellar cortex development / primary miRNA binding / random inactivation of X chromosome / regulation of adaxial/abaxial pattern formation / skeletal muscle satellite cell maintenance involved in skeletal muscle regeneration / regulatory ncRNA-mediated heterochromatin formation / histone H3K27 methyltransferase activity / sex chromatin / positive regulation of cell cycle G1/S phase transition / NURF complex / facultative heterochromatin formation / NuRD complex / regulation of cell fate specification / negative regulation of stem cell population maintenance / genomic imprinting / DNA replication-dependent chromatin assembly / Transcription of E2F targets under negative control by p107 (RBL1) and p130 (RBL2) in complex with HDAC1 / ESC/E(Z) complex / negative regulation of stem cell differentiation / regulation of stem cell differentiation / RSC-type complex / protein-lysine N-methyltransferase activity / Polo-like kinase mediated events / cardiac muscle hypertrophy in response to stress / chromatin silencing complex / histone H3K9me2/3 reader activity / Transcription of E2F targets under negative control by DREAM complex / pronucleus / positive regulation of dendrite development / G1 to G0 transition / histone H3 methyltransferase activity / histone methyltransferase activity / DNA methylation-dependent constitutive heterochromatin formation / negative regulation of G1/S transition of mitotic cell cycle / ATPase complex / spinal cord development / lncRNA binding / negative regulation of gene expression, epigenetic / synaptic transmission, GABAergic / Sin3-type complex / G1/S-Specific Transcription / Transcriptional Regulation by E2F6 / : / positive regulation of stem cell population maintenance / positive regulation of MAP kinase activity / oligodendrocyte differentiation / histone deacetylase complex / RNA Polymerase I Transcription Initiation / negative regulation of transcription elongation by RNA polymerase II / G0 and Early G1 / positive regulation of GTPase activity / positive regulation of protein serine/threonine kinase activity / negative regulation of cell differentiation / positive regulation of epithelial to mesenchymal transition / ribonucleoprotein complex binding / subtelomeric heterochromatin formation / pericentric heterochromatin / RNA polymerase II core promoter sequence-specific DNA binding / Cyclin E associated events during G1/S transition / Transcriptional regulation of brown and beige adipocyte differentiation by EBF2 / nucleosome binding / Cyclin A:Cdk2-associated events at S phase entry / keratinocyte differentiation / Regulation of TP53 Activity through Acetylation / protein localization to chromatin / Deposition of new CENPA-containing nucleosomes at the centromere / liver regeneration / negative regulation of cytokine production involved in inflammatory response / SUMOylation of chromatin organization proteins / negative regulation of cell migration / cellular response to leukemia inhibitory factor / B cell differentiation / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / Regulation of PTEN gene transcription / transcription corepressor binding / PRC2 methylates histones and DNA / Regulation of endogenous retroelements by KRAB-ZFP proteins / Defective pyroptosis / transcription coregulator activity / hippocampus development / HDACs deacetylate histones / stem cell differentiation / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / enzyme activator activity / promoter-specific chromatin binding / negative regulation of transforming growth factor beta receptor signaling pathway / G1/S transition of mitotic cell cycle / protein-DNA complex / regulation of circadian rhythm 類似検索 - 分子機能 | |||||||||
生物種 | ![]() ![]() | |||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 4.1 Å | |||||||||
![]() | Sauer PV / Pavlenko E / Nogales E / Poepsel S | |||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Activation of automethylated PRC2 by dimerization on chromatin. 著者: Paul V Sauer / Egor Pavlenko / Trinity Cookis / Linda C Zirden / Juliane Renn / Ankush Singhal / Pascal Hunold / Michaela N Hoehne-Wiechmann / Olivia van Ray / Farnusch Kaschani / Markus ...著者: Paul V Sauer / Egor Pavlenko / Trinity Cookis / Linda C Zirden / Juliane Renn / Ankush Singhal / Pascal Hunold / Michaela N Hoehne-Wiechmann / Olivia van Ray / Farnusch Kaschani / Markus Kaiser / Robert Hänsel-Hertsch / Karissa Y Sanbonmatsu / Eva Nogales / Simon Poepsel / ![]() ![]() 要旨: Polycomb repressive complex 2 (PRC2) is an epigenetic regulator that trimethylates lysine 27 of histone 3 (H3K27me3) and is essential for embryonic development and cellular differentiation. H3K27me3 ...Polycomb repressive complex 2 (PRC2) is an epigenetic regulator that trimethylates lysine 27 of histone 3 (H3K27me3) and is essential for embryonic development and cellular differentiation. H3K27me3 is associated with transcriptionally repressed chromatin and is established when PRC2 is allosterically activated upon methyl-lysine binding by the regulatory subunit EED. Automethylation of the catalytic subunit enhancer of zeste homolog 2 (EZH2) stimulates its activity by an unknown mechanism. Here, we show that human PRC2 forms a dimer on chromatin in which an inactive, automethylated PRC2 protomer is the allosteric activator of a second PRC2 that is poised to methylate H3 of a substrate nucleosome. Functional assays support our model of allosteric trans-autoactivation via EED, suggesting a previously unknown mechanism mediating context-dependent activation of PRC2. Our work showcases the molecular mechanism of auto-modification-coupled dimerization in the regulation of chromatin-modifying complexes. | |||||||||
履歴 |
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構造の表示
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マップデータ | ![]() | 2 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 42.4 KB 42.4 KB | 表示 表示 | ![]() |
画像 | ![]() | 51.9 KB | ||
マスクデータ | ![]() | 137.1 MB | ![]() | |
Filedesc metadata | ![]() | 9.1 KB | ||
その他 | ![]() ![]() ![]() ![]() ![]() ![]() ![]() | 69.2 MB 2.4 MB 2.4 MB 1.2 MB 1.2 MB 127.1 MB 127.2 MB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-検証レポート
文書・要旨 | ![]() | 708.5 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 708.1 KB | 表示 | |
XML形式データ | ![]() | 13.8 KB | 表示 | |
CIF形式データ | ![]() | 16.4 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
関連構造データ | ![]() 8tasMC ![]() 8t9gC ![]() 8tb9C C: 同じ文献を引用 ( M: このマップから作成された原子モデル |
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類似構造データ | 類似検索 - 機能・相同性 ![]() |
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リンク
EMDBのページ | ![]() ![]() |
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「今月の分子」の関連する項目 |
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マップ
ファイル | ![]() | ||||||||||||||||||||||||||||||||||||
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注釈 | PRC2 monomer bound to nucleosome, 3DFlex reconstruction, locally filtered | ||||||||||||||||||||||||||||||||||||
投影像・断面図 | 画像のコントロール
画像は Spider により作成 | ||||||||||||||||||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 1.533 Å | ||||||||||||||||||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
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-添付データ
-マスク #1
ファイル | ![]() | ||||||||||||
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投影像・断面図 |
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密度ヒストグラム |
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試料の構成要素
+全体 : PRC2 monomer bound to nucleosome
+超分子 #1: PRC2 monomer bound to nucleosome
+超分子 #2: Nucleosome
+超分子 #3: PRC2
+分子 #1: Polycomb protein SUZ12
+分子 #2: Histone-lysine N-methyltransferase EZH2
+分子 #3: Polycomb protein EED
+分子 #4: Histone H3.2
+分子 #6: Histone H4
+分子 #7: Histone H2A
+分子 #8: Histone H2B 1.1
+分子 #10: Histone-binding protein RBBP4
+分子 #11: Zinc finger protein AEBP2
+分子 #5: DNA (226-MER)
+分子 #9: DNA (226-MER)
+分子 #12: S-ADENOSYL-L-HOMOCYSTEINE
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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![]() | 単粒子再構成法 |
試料の集合状態 | particle |
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試料調製
緩衝液 | pH: 7.8 |
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グリッド | 材質: COPPER / 支持フィルム - 材質: CARBON / 支持フィルム - トポロジー: HOLEY |
凍結 | 凍結剤: ETHANE |
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電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
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撮影 | フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) 検出モード: SUPER-RESOLUTION / 平均電子線量: 40.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 3.5 µm / 最小 デフォーカス(公称値): 1.5 µm |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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画像解析
初期モデル | モデルのタイプ: EMDB MAP EMDB ID: |
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最終 再構成 | 解像度のタイプ: BY AUTHOR / 解像度: 4.1 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 使用した粒子像数: 69000 |
初期 角度割当 | タイプ: MAXIMUM LIKELIHOOD |
最終 角度割当 | タイプ: MAXIMUM LIKELIHOOD |
-原子モデル構築 1
精密化 | 空間: REAL / プロトコル: FLEXIBLE FIT |
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得られたモデル | ![]() PDB-8tas: |