+データを開く
-基本情報
登録情報 | データベース: EMDB / ID: EMD-12667 | |||||||||||||||
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タイトル | RNA polymerase II-Spt4/5-nucleosome-Chd1 structure - Map B | |||||||||||||||
マップデータ | Map B | |||||||||||||||
試料 |
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機能・相同性 | 機能・相同性情報 Regulation of TP53 Activity through Phosphorylation / regulation of sister chromatid cohesion / FACT complex / regulation of chromatin organization / DSIF complex / regulation of transcription elongation by RNA polymerase II / nucleosome organization / RPB4-RPB7 complex / replication fork protection complex / RNA Polymerase I Transcription Initiation ...Regulation of TP53 Activity through Phosphorylation / regulation of sister chromatid cohesion / FACT complex / regulation of chromatin organization / DSIF complex / regulation of transcription elongation by RNA polymerase II / nucleosome organization / RPB4-RPB7 complex / replication fork protection complex / RNA Polymerase I Transcription Initiation / Processing of Capped Intron-Containing Pre-mRNA / nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / RNA Polymerase III Transcription Initiation From Type 2 Promoter / transcription elongation-coupled chromatin remodeling / RNA Pol II CTD phosphorylation and interaction with CE / Formation of the Early Elongation Complex / mRNA Capping / RNA polymerase II transcribes snRNA genes / TP53 Regulates Transcription of DNA Repair Genes / termination of RNA polymerase II transcription / RNA Polymerase II Promoter Escape / RNA Polymerase II Transcription Pre-Initiation And Promoter Opening / RNA Polymerase II Transcription Initiation / RNA Polymerase II Transcription Initiation And Promoter Clearance / RNA-templated transcription / RNA Polymerase II Pre-transcription Events / termination of RNA polymerase III transcription / Formation of TC-NER Pre-Incision Complex / transcription initiation at RNA polymerase III promoter / maintenance of transcriptional fidelity during transcription elongation by RNA polymerase II / termination of RNA polymerase I transcription / RNA Polymerase I Promoter Escape / nucleolar large rRNA transcription by RNA polymerase I / RNA polymerase II complex binding / Gap-filling DNA repair synthesis and ligation in TC-NER / transcription by RNA polymerase I / transcription initiation at RNA polymerase I promoter / Estrogen-dependent gene expression / nuclear-transcribed mRNA catabolic process / positive regulation of nuclear-transcribed mRNA poly(A) tail shortening / transcription by RNA polymerase III / RNA polymerase II activity / chromosome, centromeric region / Dual incision in TC-NER / positive regulation of RNA polymerase II transcription preinitiation complex assembly / transcription elongation by RNA polymerase I / positive regulation of transcription initiation by RNA polymerase II / transcription-coupled nucleotide-excision repair / tRNA transcription by RNA polymerase III / RNA polymerase I activity / RNA polymerase I complex / RNA polymerase III complex / positive regulation of translational initiation / translesion synthesis / RNA polymerase II, core complex / translation initiation factor binding / regulation of DNA-templated transcription elongation / DNA-templated transcription initiation / transcription initiation at RNA polymerase II promoter / transcription elongation by RNA polymerase II / P-body / ribonucleoside binding / DNA-templated DNA replication / DNA-directed 5'-3' RNA polymerase activity / DNA-directed RNA polymerase / cytoplasmic stress granule / mRNA processing / structural constituent of chromatin / nucleosome / peroxisome / nucleosome assembly / ribosome biogenesis / chromatin organization / single-stranded DNA binding / chromosome / transcription by RNA polymerase II / DNA replication / nucleic acid binding / single-stranded RNA binding / protein dimerization activity / protein heterodimerization activity / DNA repair / mRNA binding / nucleotide binding / chromatin / regulation of transcription by RNA polymerase II / nucleolus / mitochondrion / DNA binding / zinc ion binding / nucleoplasm / nucleus / metal ion binding / cytoplasm 類似検索 - 分子機能 | |||||||||||||||
生物種 | Saccharomyces cerevisiae (パン酵母) | |||||||||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 2.7 Å | |||||||||||||||
データ登録者 | Farnung L / Ochmann M / Engeholm M / Cramer P | |||||||||||||||
資金援助 | European Union, ドイツ, 4件
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引用 | ジャーナル: Nat Struct Mol Biol / 年: 2021 タイトル: Structural basis of nucleosome transcription mediated by Chd1 and FACT. 著者: Lucas Farnung / Moritz Ochmann / Maik Engeholm / Patrick Cramer / 要旨: Efficient transcription of RNA polymerase II (Pol II) through nucleosomes requires the help of various factors. Here we show biochemically that Pol II transcription through a nucleosome is ...Efficient transcription of RNA polymerase II (Pol II) through nucleosomes requires the help of various factors. Here we show biochemically that Pol II transcription through a nucleosome is facilitated by the chromatin remodeler Chd1 and the histone chaperone FACT when the elongation factors Spt4/5 and TFIIS are present. We report cryo-EM structures of transcribing Saccharomyces cerevisiae Pol II-Spt4/5-nucleosome complexes with bound Chd1 or FACT. In the first structure, Pol II transcription exposes the proximal histone H2A-H2B dimer that is bound by Spt5. Pol II has also released the inhibitory DNA-binding region of Chd1 that is poised to pump DNA toward Pol II. In the second structure, Pol II has generated a partially unraveled nucleosome that binds FACT, which excludes Chd1 and Spt5. These results suggest that Pol II progression through a nucleosome activates Chd1, enables FACT binding and eventually triggers transfer of FACT together with histones to upstream DNA. | |||||||||||||||
履歴 |
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-構造の表示
ムービー |
ムービービューア |
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構造ビューア | EMマップ: SurfViewMolmilJmol/JSmol |
添付画像 |
-ダウンロードとリンク
-EMDBアーカイブ
マップデータ | emd_12667.map.gz | 194.6 MB | EMDBマップデータ形式 | |
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ヘッダ (付随情報) | emd-12667-v30.xml emd-12667.xml | 17.5 KB 17.5 KB | 表示 表示 | EMDBヘッダ |
FSC (解像度算出) | emd_12667_fsc.xml | 14.1 KB | 表示 | FSCデータファイル |
画像 | emd_12667.png | 46.3 KB | ||
その他 | emd_12667_additional_1.map.gz emd_12667_half_map_1.map.gz emd_12667_half_map_2.map.gz | 227.8 MB 195 MB 194 MB | ||
アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-12667 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-12667 | HTTPS FTP |
-検証レポート
文書・要旨 | emd_12667_validation.pdf.gz | 430.5 KB | 表示 | EMDB検証レポート |
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文書・詳細版 | emd_12667_full_validation.pdf.gz | 429.7 KB | 表示 | |
XML形式データ | emd_12667_validation.xml.gz | 20.1 KB | 表示 | |
アーカイブディレクトリ | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-12667 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-12667 | HTTPS FTP |
-関連構造データ
-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 |
-マップ
ファイル | ダウンロード / ファイル: emd_12667.map.gz / 形式: CCP4 / 大きさ: 244.1 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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注釈 | Map B | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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: 1.05 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
CCP4マップ ヘッダ情報:
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-添付データ
-追加マップ: Map B - Post-processed map
ファイル | emd_12667_additional_1.map | ||||||||||||
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注釈 | Map B - Post-processed map | ||||||||||||
投影像・断面図 |
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密度ヒストグラム |
-ハーフマップ: Map B - Half map 1
ファイル | emd_12667_half_map_1.map | ||||||||||||
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注釈 | Map B - Half map 1 | ||||||||||||
投影像・断面図 |
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密度ヒストグラム |
-ハーフマップ: Map B - Half map 2
ファイル | emd_12667_half_map_2.map | ||||||||||||
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注釈 | Map B - Half map 2 | ||||||||||||
投影像・断面図 |
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密度ヒストグラム |
-試料の構成要素
-全体 : RNA polymerase II-Spt4/5-Chd1-nucleosome
全体 | 名称: RNA polymerase II-Spt4/5-Chd1-nucleosome |
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要素 |
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-超分子 #1: RNA polymerase II-Spt4/5-Chd1-nucleosome
超分子 | 名称: RNA polymerase II-Spt4/5-Chd1-nucleosome / タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#22 |
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由来(天然) | 生物種: Saccharomyces cerevisiae (パン酵母) |
組換発現 | 生物種: Escherichia coli (大腸菌) |
-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 |
-試料調製
緩衝液 | pH: 7.4 |
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凍結 | 凍結剤: ETHANE |
-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 K3 BIOQUANTUM (6k x 4k) 平均電子線量: 39.0 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: SPOT SCAN / 撮影モード: BRIGHT FIELD |
実験機器 | モデル: Titan Krios / 画像提供: FEI Company |