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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 | Automethylated PRC2 dimer bound to nucleosome | |||||||||
マップデータ | Automethylated PRC2 dimer bound to nucleosome 3DFlex reconstruction locally filtered | |||||||||
試料 |
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キーワード | Histone methyl transferase / gene repression / epigenetics / chromatin / GENE REGULATION | |||||||||
| 機能・相同性 | 機能・相同性情報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 / negative regulation of retinoic acid receptor signaling pathway ...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 / negative regulation of retinoic acid receptor signaling pathway / histone H3K27 trimethyltransferase activity / cerebellar cortex development / primary miRNA binding / regulation of adaxial/abaxial pattern formation / skeletal muscle satellite cell maintenance involved in skeletal muscle regeneration / histone H3K27 methyltransferase activity / sex chromatin / random inactivation of X chromosome / positive regulation of cell cycle G1/S phase transition / NURF complex / regulatory ncRNA-mediated heterochromatin formation / facultative heterochromatin formation / NuRD complex / regulation of cell fate specification / negative regulation of stem cell population maintenance / genomic imprinting / 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 / negative regulation of stem cell differentiation / regulation of stem cell differentiation / protein-lysine N-methyltransferase activity / RSC-type complex / Polo-like kinase mediated events / cardiac muscle hypertrophy in response to stress / Transcription of E2F targets under negative control by DREAM complex / chromatin silencing complex / pronucleus / positive regulation of dendrite development / histone H3K9me2/3 reader activity / histone H3 methyltransferase activity / G1 to G0 transition / histone methyltransferase activity / ATPase complex / negative regulation of G1/S transition of mitotic cell cycle / DNA methylation-dependent constitutive heterochromatin formation / negative regulation of gene expression, epigenetic / spinal cord development / G1/S-Specific Transcription / positive regulation of MAP kinase activity / lncRNA binding / Sin3-type complex / histone deacetylase complex / Transcriptional Regulation by E2F6 / synaptic transmission, GABAergic / positive regulation of stem cell population maintenance / positive regulation of protein serine/threonine kinase activity / oligodendrocyte differentiation / RNA Polymerase I Transcription Initiation / negative regulation of transcription elongation by RNA polymerase II / G0 and Early G1 / positive regulation of GTPase activity / negative regulation of cell differentiation / positive regulation of epithelial to mesenchymal transition / ribonucleoprotein complex binding / subtelomeric heterochromatin formation / Cyclin E associated events during G1/S transition / RNA polymerase II core promoter sequence-specific DNA binding / pericentric heterochromatin / Transcriptional regulation of brown and beige adipocyte differentiation by EBF2 / Cyclin A:Cdk2-associated events at S phase entry / nucleosome binding / keratinocyte differentiation / Regulation of TP53 Activity through Acetylation / heterochromatin / protein localization to chromatin / negative regulation of cytokine production involved in inflammatory response / Deposition of new CENPA-containing nucleosomes at the centromere / liver regeneration / B cell differentiation / negative regulation of cell migration / SUMOylation of chromatin organization proteins / Regulation of PTEN gene transcription / transcription corepressor binding / stem cell differentiation / cellular response to leukemia inhibitory factor / ERCC6 (CSB) and EHMT2 (G9a) positively regulate rRNA expression / PRC2 methylates histones and DNA / Regulation of endogenous retroelements by KRAB-ZFP proteins / Defective pyroptosis / hippocampus development / transcription coregulator activity / HDACs deacetylate histones / Regulation of endogenous retroelements by Piwi-interacting RNAs (piRNAs) / promoter-specific chromatin binding / negative regulation of transforming growth factor beta receptor signaling pathway / G1/S transition of mitotic cell cycle / protein-DNA complex / chromatin DNA binding / regulation of circadian rhythm 類似検索 - 分子機能 | |||||||||
| 生物種 | Homo sapiens (ヒト) / | |||||||||
| 手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 6.2 Å | |||||||||
データ登録者 | Sauer PV / Pavlenko E / Nogales E / Poepsel S | |||||||||
| 資金援助 | 米国, 1件
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引用 | ジャーナル: Mol Cell / 年: 2024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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ダウンロードとリンク
-EMDBアーカイブ
| マップデータ | emd_41110.map.gz | 1.3 MB | EMDBマップデータ形式 | |
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| ヘッダ (付随情報) | emd-41110-v30.xml emd-41110.xml | 46.3 KB 46.3 KB | 表示 表示 | EMDBヘッダ |
| 画像 | emd_41110.png | 41.5 KB | ||
| マスクデータ | emd_41110_msk_1.map | 30.5 MB | マスクマップ | |
| Filedesc metadata | emd-41110.cif.gz | 9.5 KB | ||
| その他 | emd_41110_additional_1.map.gz emd_41110_additional_2.map.gz emd_41110_additional_3.map.gz emd_41110_additional_4.map.gz emd_41110_additional_5.map.gz emd_41110_additional_6.map.gz emd_41110_half_map_1.map.gz emd_41110_half_map_2.map.gz | 67.8 MB 1.2 MB 1.2 MB 1.2 MB 474.5 KB 1.1 MB 127.2 MB 127.1 MB | ||
| アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-41110 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-41110 | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 8t9gMC ![]() 8tasC ![]() 8tb9C M: このマップから作成された原子モデル C: 同じ文献を引用 ( |
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| 類似構造データ | 類似検索 - 機能・相同性 F&H 検索 |
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リンク
| EMDBのページ | EMDB (EBI/PDBe) / EMDataResource |
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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 | ダウンロード / ファイル: emd_41110.map.gz / 形式: CCP4 / 大きさ: 30.5 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| 注釈 | Automethylated PRC2 dimer 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: 2.3 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 | emd_41110_msk_1.map | ||||||||||||
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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 : Automethylated PRC2 dimer bound to nucleosome
+超分子 #1: Automethylated PRC2 dimer bound to nucleosome
+超分子 #2: Nucleosome
+超分子 #3: Proximal PRC2
+超分子 #4: Distal 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-binding protein RBBP4
+分子 #5: Zinc finger protein AEBP2
+分子 #6: Histone H3.2
+分子 #8: Histone H4
+分子 #9: Histone H2A type 1
+分子 #10: Histone H2B 1.1
+分子 #12: activating methylated peptide
+分子 #7: DNA (226-MER)
+分子 #11: DNA (226-MER)
+分子 #13: 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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解析 | 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 / メッシュ: 300 / 支持フィルム - 材質: CARBON / 支持フィルム - トポロジー: HOLEY / 詳細: Streptavidin affinity grid |
| 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: FIELD EMISSION GUN |
| 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: 6.2 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 使用した粒子像数: 34000 |
| 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-8t9g: |
ムービー
コントローラー
万見について




キーワード
Homo sapiens (ヒト)
データ登録者
米国, 1件
引用


























Z (Sec.)
Y (Row.)
X (Col.)




























Trichoplusia ni (イラクサキンウワバ)

FIELD EMISSION GUN

