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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: 7kj3 | |||||||||||||||
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| タイトル | SARS-CoV-2 Spike Glycoprotein with two ACE2 Bound | |||||||||||||||
要素 |
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キーワード | VIRAL PROTEIN/HYDROLASE / VIRAL PROTEIN / VIRAL PROTEIN-HYDROLASE complex | |||||||||||||||
| 機能・相同性 | 機能・相同性情報positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; 金属プロテアーゼ / angiotensin-mediated drinking behavior / positive regulation of gap junction assembly / regulation of systemic arterial blood pressure by renin-angiotensin / tryptophan transport / regulation of cardiac conduction / maternal process involved in female pregnancy ...positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; 金属プロテアーゼ / angiotensin-mediated drinking behavior / positive regulation of gap junction assembly / regulation of systemic arterial blood pressure by renin-angiotensin / tryptophan transport / regulation of cardiac conduction / maternal process involved in female pregnancy / peptidyl-dipeptidase activity / regulation of vasoconstriction / transporter activator activity / Metabolism of Angiotensinogen to Angiotensins / carboxypeptidase activity / angiotensin maturation / Attachment and Entry / receptor-mediated endocytosis of virus by host cell / metallocarboxypeptidase activity / viral life cycle / positive regulation of cardiac muscle contraction / regulation of cytokine production / blood vessel diameter maintenance / negative regulation of smooth muscle cell proliferation / brush border membrane / negative regulation of ERK1 and ERK2 cascade / positive regulation of reactive oxygen species metabolic process / metallopeptidase activity / endocytic vesicle membrane / regulation of cell population proliferation / virus receptor activity / regulation of inflammatory response / endopeptidase activity / symbiont-mediated disruption of host tissue / Maturation of spike protein / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / viral translation / symbiont-mediated-mediated suppression of host tetherin activity / Potential therapeutics for SARS / Induction of Cell-Cell Fusion / structural constituent of virion / entry receptor-mediated virion attachment to host cell / membrane fusion / Attachment and Entry / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / host cell surface receptor binding / cilium / symbiont-mediated suppression of host innate immune response / apical plasma membrane / membrane raft / receptor ligand activity / endocytosis involved in viral entry into host cell / endoplasmic reticulum lumen / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / symbiont entry into host cell / virion attachment to host cell / SARS-CoV-2 activates/modulates innate and adaptive immune responses / host cell plasma membrane / virion membrane / cell surface / negative regulation of transcription by RNA polymerase II / extracellular space / extracellular exosome / extracellular region / zinc ion binding / identical protein binding / membrane / plasma membrane 類似検索 - 分子機能 | |||||||||||||||
| 生物種 | ![]() Homo sapiens (ヒト) | |||||||||||||||
| 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: 3.7 Å | |||||||||||||||
データ登録者 | Zhang, J. / Xiao, T.S. / Cai, Y.F. / Chen, B. | |||||||||||||||
| 資金援助 | 米国, 4件
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引用 | ジャーナル: Nat Struct Mol Biol / 年: 2021タイトル: A trimeric human angiotensin-converting enzyme 2 as an anti-SARS-CoV-2 agent. 著者: Tianshu Xiao / Jianming Lu / Jun Zhang / Rebecca I Johnson / Lindsay G A McKay / Nadia Storm / Christy L Lavine / Hanqin Peng / Yongfei Cai / Sophia Rits-Volloch / Shen Lu / Brian D Quinlan / ...著者: Tianshu Xiao / Jianming Lu / Jun Zhang / Rebecca I Johnson / Lindsay G A McKay / Nadia Storm / Christy L Lavine / Hanqin Peng / Yongfei Cai / Sophia Rits-Volloch / Shen Lu / Brian D Quinlan / Michael Farzan / Michael S Seaman / Anthony Griffiths / Bing Chen / ![]() 要旨: Effective intervention strategies are urgently needed to control the COVID-19 pandemic. Human angiotensin-converting enzyme 2 (ACE2) is a membrane-bound carboxypeptidase that forms a dimer and serves ...Effective intervention strategies are urgently needed to control the COVID-19 pandemic. Human angiotensin-converting enzyme 2 (ACE2) is a membrane-bound carboxypeptidase that forms a dimer and serves as the cellular receptor for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). ACE2 is also a key negative regulator of the renin-angiotensin system that modulates vascular functions. We report here the properties of a trimeric ACE2 ectodomain variant, engineered using a structure-based approach. The trimeric ACE2 variant has a binding affinity of ~60 pM for the spike protein of SARS‑CoV‑2 (compared with 77 nM for monomeric ACE2 and 12-22 nM for dimeric ACE2 constructs), and its peptidase activity and the ability to block activation of angiotensin II receptor type 1 in the renin-angiotensin system are preserved. Moreover, the engineered ACE2 potently inhibits SARS‑CoV‑2 infection in cell culture. These results suggest that engineered, trimeric ACE2 may be a promising anti-SARS-CoV-2 agent for treating COVID-19. #1: ジャーナル: bioRxiv / 年: 2020 タイトル: A trimeric human angiotensin-converting enzyme 2 as an anti-SARS-CoV-2 agent in vitro. 著者: Tianshu Xiao / Jianming Lu / Jun Zhang / Rebecca I Johnson / Lindsay G A McKay / Nadia Storm / Christy L Lavine / Hanqin Peng / Yongfei Cai / Sophia Rits-Volloch / Shen Lu / Brian D Quinlan / ...著者: Tianshu Xiao / Jianming Lu / Jun Zhang / Rebecca I Johnson / Lindsay G A McKay / Nadia Storm / Christy L Lavine / Hanqin Peng / Yongfei Cai / Sophia Rits-Volloch / Shen Lu / Brian D Quinlan / Michael Farzan / Michael S Seaman / Anthony Griffiths / Bing Chen 要旨: Effective intervention strategies are urgently needed to control the COVID-19 pandemic. Human angiotensin-converting enzyme 2 (ACE2) is a carboxypeptidase that forms a dimer and serves as the ...Effective intervention strategies are urgently needed to control the COVID-19 pandemic. Human angiotensin-converting enzyme 2 (ACE2) is a carboxypeptidase that forms a dimer and serves as the cellular receptor for SARS-CoV-2. It is also a key negative regulator of the renin-angiotensin system (RAS), conserved in mammals, which modulates vascular functions. We report here the properties of a trimeric ACE2 variant, created by a structure-based approach, with binding affinity of ~60 pM for the spike (S) protein of SARS-CoV-2, while preserving the wildtype peptidase activity as well as the ability to block activation of angiotensin II receptor type 1 in the RAS. Moreover, the engineered ACE2 potently inhibits infection of SARS-CoV-2 in cell culture. These results suggest that engineered, trimeric ACE2 may be a promising anti-SARS-CoV-2 agent for treating COVID-19. | |||||||||||||||
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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 | 分子: Molmil Jmol/JSmol |
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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 | 7kj3.cif.gz | 810.3 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb7kj3.ent.gz | 653.3 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 7kj3.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
| その他 | その他のダウンロード |
-検証レポート
| 文書・要旨 | 7kj3_validation.pdf.gz | 3.6 MB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 7kj3_full_validation.pdf.gz | 3.7 MB | 表示 | |
| XML形式データ | 7kj3_validation.xml.gz | 107.1 KB | 表示 | |
| CIF形式データ | 7kj3_validation.cif.gz | 163.9 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/kj/7kj3 ftp://data.pdbj.org/pub/pdb/validation_reports/kj/7kj3 | 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
| #1: タンパク質 | 分子量: 136559.938 Da / 分子数: 3 / 変異: K986P,V987P / 由来タイプ: 組換発現 由来: (組換発現) ![]() 遺伝子: S, 2 / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: P0DTC2#2: タンパク質 | 分子量: 71024.711 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: ACE2, UNQ868/PRO1885 / 発現宿主: Homo sapiens (ヒト)参照: UniProt: Q9BYF1, angiotensin-converting enzyme 2, 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; 金属プロテアーゼ #3: 多糖 | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose #4: 糖 | ChemComp-NAG / 研究の焦点であるリガンドがあるか | Y | Has protein modification | 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 | 名称: SARS-CoV-2 Spike Glycoprotein with two ACE2 Bound / タイプ: COMPLEX / 詳細: SARS-CoV-2 Spike Glycoprotein with two ACE2 Bound / Entity ID: #1-#2 / 由来: RECOMBINANT | |||||||||||||||
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| 分子量 | 値: 540 kDa/nm / 実験値: NO | |||||||||||||||
| 由来(天然) |
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| 由来(組換発現) | 生物種: Homo sapiens (ヒト) | |||||||||||||||
| 緩衝液 | pH: 7.5 | |||||||||||||||
| 緩衝液成分 |
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| 試料 | 濃度: 1 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | |||||||||||||||
| 急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 277.15 K |
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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: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
| 電子レンズ | モード: BRIGHT FIELD |
| 撮影 | 電子線照射量: 50.05 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) |
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解析
| ソフトウェア | 名称: PHENIX / バージョン: 1.18.2_3874: / 分類: 精密化 | ||||||||||||||||||||||||
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| EMソフトウェア |
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| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
| 粒子像の選択 | 選択した粒子像数: 407761 | ||||||||||||||||||||||||
| 3次元再構成 | 解像度: 3.7 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 13515 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
| 原子モデル構築 | プロトコル: AB INITIO MODEL | ||||||||||||||||||||||||
| 原子モデル構築 | 3D fitting-ID: 1 / Source name: PDB / タイプ: experimental model
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| 拘束条件 |
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コントローラー
万見について





Homo sapiens (ヒト)
米国, 4件
引用
UCSF Chimera














PDBj









