+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 8xuu | ||||||
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タイトル | BA.2.86-T356K Spike Trimer in complex with heparan sulfate (Local refinement) | ||||||
要素 | Spike glycoprotein | ||||||
キーワード | VIRAL PROTEIN / Complex / Spike / SARS-CoV-2 | ||||||
機能・相同性 | 機能・相同性情報 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 / Induction of Cell-Cell Fusion / structural constituent of virion / entry receptor-mediated virion attachment to host cell ...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 / 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 / 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 / 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) | ||||||
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: 3.69 Å | ||||||
データ登録者 | Yue, C. / Liu, P. | ||||||
資金援助 | 1件
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引用 | ジャーナル: Natl Sci Rev / 年: 2024 タイトル: Spike N354 glycosylation augments SARS-CoV-2 fitness for human adaptation through structural plasticity. 著者: Pan Liu / Can Yue / Bo Meng / Tianhe Xiao / Sijie Yang / Shuo Liu / Fanchong Jian / Qianhui Zhu / Yuanling Yu / Yanyan Ren / Peng Wang / Yixin Li / Jinyue Wang / Xin Mao / Fei Shao / Youchun ...著者: Pan Liu / Can Yue / Bo Meng / Tianhe Xiao / Sijie Yang / Shuo Liu / Fanchong Jian / Qianhui Zhu / Yuanling Yu / Yanyan Ren / Peng Wang / Yixin Li / Jinyue Wang / Xin Mao / Fei Shao / Youchun Wang / Ravindra Kumar Gupta / Yunlong Cao / Xiangxi Wang / 要旨: Selective pressures have given rise to a number of SARS-CoV-2 variants during the prolonged course of the COVID-19 pandemic. Recently evolved variants differ from ancestors in additional ...Selective pressures have given rise to a number of SARS-CoV-2 variants during the prolonged course of the COVID-19 pandemic. Recently evolved variants differ from ancestors in additional glycosylation within the spike protein receptor-binding domain (RBD). Details of how the acquisition of glycosylation impacts viral fitness and human adaptation are not clearly understood. Here, we dissected the role of N354-linked glycosylation, acquired by BA.2.86 sub-lineages, as a RBD conformational control element in attenuating viral infectivity. The reduced infectivity is recovered in the presence of heparin sulfate, which targets the 'N354 pocket' to ease restrictions of conformational transition resulting in a 'RBD-up' state, thereby conferring an adjustable infectivity. Furthermore, N354 glycosylation improved spike cleavage and cell-cell fusion, and in particular escaped one subset of ADCC antibodies. Together with reduced immunogenicity in hybrid immunity background, these indicate a single spike amino acid glycosylation event provides selective advantage in humans through multiple mechanisms. | ||||||
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 | 8xuu.cif.gz | 121.8 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb8xuu.ent.gz | 82.9 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 8xuu.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 | 8xuu_validation.pdf.gz | 527.4 KB | 表示 | wwPDB検証レポート |
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文書・詳細版 | 8xuu_full_validation.pdf.gz | 538.3 KB | 表示 | |
XML形式データ | 8xuu_validation.xml.gz | 12 KB | 表示 | |
CIF形式データ | 8xuu_validation.cif.gz | 17.7 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/xu/8xuu ftp://data.pdbj.org/pub/pdb/validation_reports/xu/8xuu | HTTPS FTP |
-関連構造データ
関連構造データ | 38684MC 8whsC 8whuC 8whvC 8whwC 8whzC 8x4hC 8x4zC 8x50C 8x55C 8x56C 8x5qC 8x5rC 8xurC 8xusC 8xutC 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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-要素
#1: タンパク質 | 分子量: 134069.234 Da / 分子数: 1 / 変異: T356K / 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) 株: Omicron/BA.2.86 / 遺伝子: S, 2 / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: P0DTC2 | ||||
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#2: 多糖 | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | ||||
#3: 糖 | ChemComp-NAG / #4: 糖 | ChemComp-IDU / | 研究の焦点であるリガンドがあるか | 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 | 名称: BA.2.86-T356K Spike Trimer in complex with heparan sulfate (Local refinement) タイプ: COMPLEX / Entity ID: #1 / 由来: RECOMBINANT |
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由来(天然) | 生物種: Severe acute respiratory syndrome coronavirus 2 (ウイルス) 株: Omicron/BA.2.86 |
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 |
-電子顕微鏡撮影
顕微鏡 | モデル: FEI TITAN |
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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: DARK FIELD / 最大 デフォーカス(公称値): 2000 nm / 最小 デフォーカス(公称値): 1200 nm |
撮影 | 電子線照射量: 30 e/Å2 フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) |
-解析
CTF補正 | タイプ: PHASE FLIPPING ONLY |
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3次元再構成 | 解像度: 3.69 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 315172 / 対称性のタイプ: POINT |