+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 8dv2 | ||||||||||||
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タイトル | SARS-CoV-2 Wuhan-hu-1-Spike-RBD bound to computationally engineered ACE2 mimetic CVD293 | ||||||||||||
要素 |
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キーワード | VIRAL PROTEIN/ANTIVIRAL PROTEIN / SARS-CoV-2 / Spike / Receptor-binding domain / ACE2 receptor traps / ANTIVIRAL PROTEIN / VIRAL PROTEIN-ANTIVIRAL PROTEIN complex | ||||||||||||
機能・相同性 | 機能・相同性情報 positive regulation of amino acid transport / angiotensin-converting enzyme 2 / immunoglobulin complex / 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 / regulation of systemic arterial blood pressure by renin-angiotensin / tryptophan transport / positive regulation of gap junction assembly / regulation of cardiac conduction ...positive regulation of amino acid transport / angiotensin-converting enzyme 2 / immunoglobulin complex / 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 / regulation of systemic arterial blood pressure by renin-angiotensin / tryptophan transport / positive regulation of gap junction assembly / regulation of cardiac conduction / regulation of vasoconstriction / peptidyl-dipeptidase activity / maternal process involved in female pregnancy / angiotensin maturation / Metabolism of Angiotensinogen to Angiotensins / negative regulation of signaling receptor activity / carboxypeptidase activity / Attachment and Entry / positive regulation of cardiac muscle contraction / viral life cycle / regulation of cytokine production / blood vessel diameter maintenance / negative regulation of smooth muscle cell proliferation / brush border membrane / regulation of transmembrane transporter activity / cilium / negative regulation of ERK1 and ERK2 cascade / metallopeptidase activity / positive regulation of reactive oxygen species metabolic process / endocytic vesicle membrane / virus receptor activity / regulation of cell population proliferation / regulation of inflammatory response / endopeptidase activity / Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / suppression by virus of host tetherin activity / adaptive immune response / Potential therapeutics for SARS / Induction of Cell-Cell Fusion / structural constituent of virion / entry receptor-mediated virion attachment to host cell / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / membrane fusion / receptor-mediated endocytosis of virus by host cell / Attachment and Entry / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / receptor ligand activity / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / symbiont entry into host cell / membrane raft / apical plasma membrane / endoplasmic reticulum lumen / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / SARS-CoV-2 activates/modulates innate and adaptive immune responses / host cell plasma membrane / virion membrane / cell surface / extracellular space / extracellular exosome / zinc ion binding / extracellular region / identical protein binding / membrane / plasma membrane 類似検索 - 分子機能 | ||||||||||||
生物種 | Severe acute respiratory syndrome coronavirus 2 (ウイルス) 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: 3.5 Å | ||||||||||||
データ登録者 | QCRG Structural Biology Consortium / Remesh, S.G. / Merz, G.E. / Brilot, A.F. / Chio, U. / Verba, K.A. | ||||||||||||
資金援助 | 米国, 3件
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引用 | ジャーナル: Structure / 年: 2023 タイトル: Computational pipeline provides mechanistic understanding of Omicron variant of concern neutralizing engineered ACE2 receptor traps. 著者: Soumya G Remesh / Gregory E Merz / Axel F Brilot / Un Seng Chio / Alexandrea N Rizo / Thomas H Pospiech / Irene Lui / Mathew T Laurie / Jeff Glasgow / Chau Q Le / Yun Zhang / Devan Diwanji / ...著者: Soumya G Remesh / Gregory E Merz / Axel F Brilot / Un Seng Chio / Alexandrea N Rizo / Thomas H Pospiech / Irene Lui / Mathew T Laurie / Jeff Glasgow / Chau Q Le / Yun Zhang / Devan Diwanji / Evelyn Hernandez / Jocelyne Lopez / Hevatib Mehmood / Komal Ishwar Pawar / Sergei Pourmal / Amber M Smith / Fengbo Zhou / / Joseph DeRisi / Tanja Kortemme / Oren S Rosenberg / Anum Glasgow / Kevin K Leung / James A Wells / Kliment A Verba / 要旨: The SARS-CoV-2 Omicron variant, with 15 mutations in Spike receptor-binding domain (Spike-RBD), renders virtually all clinical monoclonal antibodies against WT SARS-CoV-2 ineffective. We recently ...The SARS-CoV-2 Omicron variant, with 15 mutations in Spike receptor-binding domain (Spike-RBD), renders virtually all clinical monoclonal antibodies against WT SARS-CoV-2 ineffective. We recently engineered the SARS-CoV-2 host entry receptor, ACE2, to tightly bind WT-RBD and prevent viral entry into host cells ("receptor traps"). Here we determine cryo-EM structures of our receptor traps in complex with stabilized Spike ectodomain. We develop a multi-model pipeline combining Rosetta protein modeling software and cryo-EM to allow interface energy calculations even at limited resolution and identify interface side chains that allow for high-affinity interactions between our ACE2 receptor traps and Spike-RBD. Our structural analysis provides a mechanistic rationale for the high-affinity (0.53-4.2 nM) binding of our ACE2 receptor traps to Omicron-RBD confirmed with biolayer interferometry measurements. Finally, we show that ACE2 receptor traps potently neutralize Omicron and Delta pseudotyped viruses, providing alternative therapeutic routes to combat this evolving virus. | ||||||||||||
履歴 |
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-構造の表示
構造ビューア | 分子: MolmilJmol/JSmol |
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-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 8dv2.cif.gz | 208.6 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb8dv2.ent.gz | 144 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 8dv2.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 | 8dv2_validation.pdf.gz | 1.4 MB | 表示 | wwPDB検証レポート |
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文書・詳細版 | 8dv2_full_validation.pdf.gz | 1.4 MB | 表示 | |
XML形式データ | 8dv2_validation.xml.gz | 45.7 KB | 表示 | |
CIF形式データ | 8dv2_validation.cif.gz | 66.4 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/dv/8dv2 ftp://data.pdbj.org/pub/pdb/validation_reports/dv/8dv2 | HTTPS FTP |
-関連構造データ
関連構造データ | 27731MC 8dv1C M: このデータのモデリングに利用したマップデータ C: 同じ文献を引用 (文献) |
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類似構造データ | 類似検索 - 機能・相同性F&H 検索 |
-リンク
-集合体
登録構造単位 |
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1 |
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-要素
#1: タンパク質 | 分子量: 133753.250 Da / 分子数: 1 / 変異: R682G, R683S, R685S, K986P, V987P / 由来タイプ: 組換発現 由来: (組換発現) Severe acute respiratory syndrome coronavirus 2 (ウイルス) 遺伝子: S, 2 / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: P0DTC2 | ||
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#2: 抗体 | 分子量: 113869.250 Da / 分子数: 1 / 変異: K31F,H34I,E35Q / 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 / 細胞株 (発現宿主): Expi293F / 発現宿主: Homo sapiens (ヒト) 参照: UniProt: Q9BYF1, UniProt: P0DOX5, 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: 糖 | ChemComp-NAG / Has protein modification | Y | |
-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 |
-試料調製
構成要素 |
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由来(天然) |
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由来(組換発現) |
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緩衝液 | pH: 8 | ||||||||||||||||||||||||
緩衝液成分 |
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試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | ||||||||||||||||||||||||
試料支持 | グリッドの材料: GOLD / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: UltrAuFoil R1.2/1.3 | ||||||||||||||||||||||||
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 K |
-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: TFS 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 / 最大 デフォーカス(公称値): 1800 nm / 最小 デフォーカス(公称値): 800 nm / Cs: 2.7 mm |
試料ホルダ | 凍結剤: NITROGEN 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
撮影 | 電子線照射量: 66 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) 撮影したグリッド数: 3 / 実像数: 10685 |
電子光学装置 | エネルギーフィルター名称: GIF Bioquantum / エネルギーフィルタースリット幅: 20 eV |
-解析
EMソフトウェア |
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CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||
対称性 | 点対称性: C1 (非対称) | ||||||||||||||||||||
3次元再構成 | 解像度: 3.5 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 61033 / 対称性のタイプ: POINT |