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データを開く
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基本情報
登録情報 | データベース: PDB / ID: 7asu | ||||||||||||
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タイトル | Crystal structure of tWHD1 of Rpc5 subunit of human RNA Polymerase III | ||||||||||||
![]() | DNA-directed RNA polymerase III subunit RPC5 | ||||||||||||
![]() | TRANSCRIPTION / RNA Pol III / RNA Polymerase III / Rpc5 | ||||||||||||
機能・相同性 | ![]() RNA Polymerase III Chain Elongation / RNA Polymerase III Transcription Termination / RNA Polymerase III Transcription Initiation From Type 1 Promoter / RNA Polymerase III Transcription Initiation From Type 2 Promoter / RNA Polymerase III Transcription Initiation From Type 3 Promoter / Cytosolic sensors of pathogen-associated DNA / RNA Polymerase III Abortive And Retractive Initiation / RNA polymerase III complex / defense response to virus / innate immune response ...RNA Polymerase III Chain Elongation / RNA Polymerase III Transcription Termination / RNA Polymerase III Transcription Initiation From Type 1 Promoter / RNA Polymerase III Transcription Initiation From Type 2 Promoter / RNA Polymerase III Transcription Initiation From Type 3 Promoter / Cytosolic sensors of pathogen-associated DNA / RNA Polymerase III Abortive And Retractive Initiation / RNA polymerase III complex / defense response to virus / innate immune response / DNA-templated transcription / nucleoplasm / cytosol 類似検索 - 分子機能 | ||||||||||||
生物種 | ![]() | ||||||||||||
手法 | ![]() ![]() ![]() | ||||||||||||
![]() | Vannini, A. / Abascal-Palacios, G. / Ramsay, E.P. | ||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structure of human RNA polymerase III. 著者: Ewan Phillip Ramsay / Guillermo Abascal-Palacios / Julia L Daiß / Helen King / Jerome Gouge / Michael Pilsl / Fabienne Beuron / Edward Morris / Philip Gunkel / Christoph Engel / Alessandro Vannini / ![]() ![]() ![]() 要旨: In eukaryotes, RNA Polymerase (Pol) III is specialized for the transcription of tRNAs and other short, untranslated RNAs. Pol III is a determinant of cellular growth and lifespan across eukaryotes. ...In eukaryotes, RNA Polymerase (Pol) III is specialized for the transcription of tRNAs and other short, untranslated RNAs. Pol III is a determinant of cellular growth and lifespan across eukaryotes. Upregulation of Pol III transcription is observed in cancer and causative Pol III mutations have been described in neurodevelopmental disorders and hypersensitivity to viral infection. Here, we report a cryo-EM reconstruction at 4.0 Å of human Pol III, allowing mapping and rationalization of reported genetic mutations. Mutations causing neurodevelopmental defects cluster in hotspots affecting Pol III stability and/or biogenesis, whereas mutations affecting viral sensing are located in proximity to DNA binding regions, suggesting an impairment of Pol III cytosolic viral DNA-sensing. Integrating x-ray crystallography and SAXS, we also describe the structure of the higher eukaryote specific RPC5 C-terminal extension. Surprisingly, experiments in living cells highlight a role for this module in the assembly and stability of human Pol III. | ||||||||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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ダウンロードとリンク
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ダウンロード
PDBx/mmCIF形式 | ![]() | 104.4 KB | 表示 | ![]() |
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PDB形式 | ![]() | 69.9 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 425.1 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 425 KB | 表示 | |
XML形式データ | ![]() | 9.6 KB | 表示 | |
CIF形式データ | ![]() | 13 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
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リンク
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集合体
登録構造単位 | ![]()
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単位格子 |
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要素
#1: タンパク質 | 分子量: 80004.031 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() | ||||||
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#2: 化合物 | ChemComp-ZN / #3: 水 | ChemComp-HOH / | 研究の焦点であるリガンドがあるか | N | Has protein modification | Y | |
-実験情報
-実験
実験 | 手法: ![]() |
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試料調製
結晶化 | 温度: 277 K / 手法: 蒸気拡散法, ハンギングドロップ法 詳細: 3.2 M NaCl, 100 mM Sodium Acetate pH 4.6 and 10 mM ZnCl2 |
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-データ収集
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放射光源 |
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放射波長 |
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反射 | 解像度: 2.23→48.01 Å / Num. obs: 13725 / % possible obs: 100 % / 冗長度: 27.4 % / Rmerge(I) obs: 0.05 / Net I/σ(I): 26.9 | |||||||||||||||
反射 シェル | 解像度: 2.23→2.31 Å / Rmerge(I) obs: 0.749 / Num. unique obs: 959 | |||||||||||||||
Serial crystallography sample delivery | 手法: fixed target |
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解析
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精密化 | 構造決定の手法: ![]() 立体化学のターゲット値: GeoStd + Monomer Library + CDL v1.2
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原子変位パラメータ | Biso mean: 50.97 Å2 | ||||||||||||||||||||||||
精密化ステップ | サイクル: LAST / 解像度: 2.23→45.97 Å
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拘束条件 |
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