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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: 9ele | |||||||||||||||||||||||||||
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| タイトル | Cryo-EM structure of SARS-CoV-2 Omicron KP.3.1.1 RBD in complex with human ACE2 (local refinement of RBD and hACE2) | |||||||||||||||||||||||||||
要素 |
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キーワード | VIRAL PROTEIN / SARS-CoV-2 / COVID-19 / hACE2 / RBD | |||||||||||||||||||||||||||
| 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 / viral life cycle / Attachment and Entry / receptor-mediated endocytosis of virus by host cell / metallocarboxypeptidase activity / 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 / symbiont-mediated disruption of host tissue / endopeptidase activity / Maturation of spike protein / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / viral translation / host extracellular space / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / Potential therapeutics for SARS / structural constituent of virion / membrane fusion / entry receptor-mediated virion attachment to host cell / 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 / receptor ligand activity / membrane raft / 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: 3.16 Å | |||||||||||||||||||||||||||
データ登録者 | Feng, Z. / Huang, J. / Ward, A.B. | |||||||||||||||||||||||||||
| 資金援助 | 米国, 1件
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引用 | ジャーナル: Cell Rep / 年: 2025タイトル: Structural and functional insights into the evolution of SARS-CoV-2 KP.3.1.1 spike protein. 著者: Ziqi Feng / Jiachen Huang / Sabyasachi Baboo / Jolene K Diedrich / Sandhya Bangaru / James C Paulson / John R Yates / Meng Yuan / Ian A Wilson / Andrew B Ward / ![]() 要旨: The JN.1-sublineage KP.3.1.1 recently emerged as the globally prevalent SARS-CoV-2 variant, demonstrating increased infectivity and antibody escape. We investigate how mutations and a deletion in the ...The JN.1-sublineage KP.3.1.1 recently emerged as the globally prevalent SARS-CoV-2 variant, demonstrating increased infectivity and antibody escape. We investigate how mutations and a deletion in the KP.3.1.1 spike protein (S) affect hACE2 binding and antibody escape. Mass spectrometry confirms a new glycan site at residue N30 that alters the glycoforms at neighboring N61. Cryoelectron microscopy (cryo-EM) structures show that the N30 glycan and rearrangement of adjacent residues do not significantly change the overall spike structure, up-down ratio of receptor-binding domains (RBDs), or hACE2 binding. Furthermore, a KP.3.1.1 S with hACE2 structure further confirms an epistatic effect between F456L and Q493E on hACE2 binding. Our analysis shows that SARS-CoV-2 variants that emerged after late 2023 are now incorporating reversions to residues found in other sarbecoviruses, including the N30 glycan, Q493E, and others. Overall, these results inform on the structural and functional consequences of the KP.3.1.1 mutations, the current SARS-CoV-2 evolutionary trajectory, and immune evasion. | |||||||||||||||||||||||||||
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構造の表示
| 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 | 9ele.cif.gz | 177.6 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb9ele.ent.gz | 136.7 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 9ele.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 | 9ele_validation.pdf.gz | 1.7 MB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 9ele_full_validation.pdf.gz | 1.7 MB | 表示 | |
| XML形式データ | 9ele_validation.xml.gz | 50.2 KB | 表示 | |
| CIF形式データ | 9ele_validation.cif.gz | 71.8 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/el/9ele ftp://data.pdbj.org/pub/pdb/validation_reports/el/9ele | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 48146MC ![]() 9elfC ![]() 9elgC ![]() 9elhC ![]() 9eliC ![]() 9eljC ![]() 9elkC ![]() 9ellC ![]() 9elmC ![]() 9elnC ![]() 9eloC ![]() 9elpC ![]() 9elqC 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 ( |
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| 類似構造データ | 類似検索 - 機能・相同性 F&H 検索 |
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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: 69982.562 Da / 分子数: 1 / 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 | ||||||||
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| #2: タンパク質 | 分子量: 23773.857 Da / 分子数: 1 / Fragment: receptor-binding domain (UNP residues 318-527) / 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 | ||||||||
| #3: 多糖 | | #4: 多糖 | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | #5: 糖 | ChemComp-NAG / 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: 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: KP.3.1.1 Spike RBD with human ACE2 / タイプ: COMPLEX / Entity ID: #1-#2 / 由来: MULTIPLE SOURCES |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 由来(組換発現) | 生物種: Homo sapiens (ヒト) |
| 緩衝液 | pH: 7.4 |
| 試料 | 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
| 顕微鏡 | モデル: TFS GLACIOS |
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| 電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 200 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): 1700 nm / 最小 デフォーカス(公称値): 700 nm |
| 撮影 | 電子線照射量: 44.84 e/Å2 フィルム・検出器のモデル: FEI FALCON IV (4k x 4k) |
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解析
| EMソフトウェア | 名称: PHENIX / バージョン: 1.20.1_4487 / カテゴリ: モデル精密化 |
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| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION |
| 3次元再構成 | 解像度: 3.16 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 440016 / 対称性のタイプ: POINT |
| 精密化 | 最高解像度: 3.16 Å 立体化学のターゲット値: REAL-SPACE (WEIGHTED MAP SUM AT ATOM CENTERS) |
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万見について




Homo sapiens (ヒト)

米国, 1件
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FIELD EMISSION GUN