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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: 7dte | ||||||||||||||||||||||||
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タイトル | SARS-CoV-2 RdRP catalytic complex with T33-1 RNA | ||||||||||||||||||||||||
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![]() | VIRAL PROTEIN/RNA / COVID-19 / SARS-CoV-2 / Virus / RdRp / nsp12 / nsp7 / nsp8 / RTC / cryo-EM / Viral protein / RNA polymerase / drug target / antiviral / VIRAL PROTEIN-RNA complex | ||||||||||||||||||||||||
機能・相同性 | ![]() protein guanylyltransferase activity / RNA endonuclease activity, producing 3'-phosphomonoesters / mRNA guanylyltransferase activity / 5'-3' RNA helicase activity / 付加脱離酵素(リアーゼ); P-Oリアーゼ類; - / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of TBK1 activity / Assembly of the SARS-CoV-2 Replication-Transcription Complex (RTC) / Maturation of replicase proteins / ISG15-specific peptidase activity / Transcription of SARS-CoV-2 sgRNAs ...protein guanylyltransferase activity / RNA endonuclease activity, producing 3'-phosphomonoesters / mRNA guanylyltransferase activity / 5'-3' RNA helicase activity / 付加脱離酵素(リアーゼ); P-Oリアーゼ類; - / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of TBK1 activity / Assembly of the SARS-CoV-2 Replication-Transcription Complex (RTC) / Maturation of replicase proteins / ISG15-specific peptidase activity / Transcription of SARS-CoV-2 sgRNAs / Translation of Replicase and Assembly of the Replication Transcription Complex / TRAF3-dependent IRF activation pathway / Replication of the SARS-CoV-2 genome / snRNP Assembly / double membrane vesicle viral factory outer membrane / 加水分解酵素; エステル加水分解酵素; 5'-リン酸モノエステル産生エキソリボヌクレアーゼ / 5'-3' DNA helicase activity / SARS coronavirus main proteinase / host cell endosome / host cell endoplasmic reticulum-Golgi intermediate compartment / 3'-5'-RNA exonuclease activity / symbiont-mediated suppression of host toll-like receptor signaling pathway / symbiont-mediated degradation of host mRNA / mRNA guanylyltransferase / symbiont-mediated suppression of host ISG15-protein conjugation / G-quadruplex RNA binding / SARS-CoV-2 modulates host translation machinery / omega peptidase activity / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF3 activity / mRNA (guanine-N7)-methyltransferase / host cell Golgi apparatus / methyltransferase cap1 / symbiont-mediated perturbation of host ubiquitin-like protein modification / DNA helicase / mRNA (nucleoside-2'-O-)-methyltransferase activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / ubiquitinyl hydrolase 1 / cysteine-type deubiquitinase activity / 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; システインプロテアーゼ / single-stranded RNA binding / host cell perinuclear region of cytoplasm / host cell endoplasmic reticulum membrane / viral protein processing / lyase activity / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / RNA helicase / induction by virus of host autophagy / copper ion binding / RNA-directed RNA polymerase / viral RNA genome replication / cysteine-type endopeptidase activity / RNA-dependent RNA polymerase activity / virus-mediated perturbation of host defense response / DNA-templated transcription / lipid binding / host cell nucleus / SARS-CoV-2 activates/modulates innate and adaptive immune responses / ATP hydrolysis activity / proteolysis / RNA binding / zinc ion binding / ATP binding / membrane 類似検索 - 分子機能 | ||||||||||||||||||||||||
生物種 | ![]() ![]() ![]() ![]() | ||||||||||||||||||||||||
手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3 Å | ||||||||||||||||||||||||
![]() | Wang, Q. / Gong, P. | ||||||||||||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Remdesivir overcomes the S861 roadblock in SARS-CoV-2 polymerase elongation complex. 著者: Jiqin Wu / Haofeng Wang / Qiaojie Liu / Rui Li / Yan Gao / Xiang Fang / Yao Zhong / Meihua Wang / Quan Wang / Zihe Rao / Peng Gong / ![]() 要旨: Remdesivir (RDV), a nucleotide analog with broad-spectrum features, has exhibited effectiveness in COVID-19 treatment. However, the precise working mechanism of RDV when targeting the viral RNA- ...Remdesivir (RDV), a nucleotide analog with broad-spectrum features, has exhibited effectiveness in COVID-19 treatment. However, the precise working mechanism of RDV when targeting the viral RNA-dependent RNA polymerase (RdRP) has not been fully elucidated. Here, we solve a 3.0-Å structure of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RdRP elongation complex (EC) and assess RDV intervention in polymerase elongation phase. Although RDV could induce an "i+3" delayed termination in meta-stable complexes, only pausing and subsequent elongation are observed in the EC. A comparative investigation using an enterovirus RdRP further confirms similar delayed intervention and demonstrates that steric hindrance of the RDV-characteristic 1'-cyano at the -4 position is responsible for the "i+3" intervention, although two representative Flaviviridae RdRPs do not exhibit similar behavior. A comparison of representative viral RdRP catalytic complex structures indicates that the product RNA backbone encounters highly conserved structural elements, highlighting the broad-spectrum intervention potential of 1'-modified nucleotide analogs in anti-RNA virus drug development. | ||||||||||||||||||||||||
履歴 |
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構造の表示
ムービー |
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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 | ![]() | 284.1 KB | 表示 | ![]() |
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PDB形式 | ![]() | 220.1 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 | ![]() | 873.6 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 888.1 KB | 表示 | |
XML形式データ | ![]() | 41.3 KB | 表示 | |
CIF形式データ | ![]() | 65.1 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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要素
-Non-structural protein ... , 2種, 3分子 BDC
#2: タンパク質 | 分子量: 22057.213 Da / 分子数: 2 / 由来タイプ: 組換発現 由来: (組換発現) ![]() ![]() 発現宿主: ![]() ![]() #3: タンパク質 | | 分子量: 9402.971 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現) ![]() ![]() 発現宿主: ![]() ![]() |
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-RNA鎖 , 2種, 2分子 FG
#4: RNA鎖 | 分子量: 18282.904 Da / 分子数: 1 / 由来タイプ: 合成 由来: (合成) ![]() ![]() |
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#5: RNA鎖 | 分子量: 10892.487 Da / 分子数: 1 / 由来タイプ: 合成 由来: (合成) ![]() ![]() |
-タンパク質 / 非ポリマー , 2種, 3分子 A![](data/chem/img/ZN.gif)
![](data/chem/img/ZN.gif)
#1: タンパク質 | 分子量: 108350.703 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現) ![]() ![]() 発現宿主: ![]() ![]() |
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#6: 化合物 |
-詳細
研究の焦点であるリガンドがあるか | Y |
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-実験情報
-実験
実験 | 手法: 電子顕微鏡法 |
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EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
構成要素 |
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由来(天然) | 生物種: ![]() ![]() | ||||||||||||||||||||||||
由来(組換発現) | 生物種: ![]() ![]() | ||||||||||||||||||||||||
緩衝液 | pH: 7 | ||||||||||||||||||||||||
試料 | 濃度: 5 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | ||||||||||||||||||||||||
急速凍結 | 凍結剤: ETHANE |
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電子顕微鏡撮影
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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顕微鏡 | モデル: FEI TITAN KRIOS |
電子銃 | 電子線源: ![]() |
電子レンズ | モード: BRIGHT FIELD |
撮影 | 電子線照射量: 60 e/Å2 / 検出モード: SUPER-RESOLUTION フィルム・検出器のモデル: GATAN K2 QUANTUM (4k x 4k) |
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解析
ソフトウェア | 名称: PHENIX / バージョン: 1.16_3549: / 分類: 精密化 | ||||||||||||||||||||||||
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CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3次元再構成 | 解像度: 3 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 339595 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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