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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: 7yv8 | ||||||
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タイトル | Cryo-EM structure of SARS-CoV-2 Omicron BA.2 RBD in complex with golden hamster ACE2 (local refinement) | ||||||
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![]() | HYDROLASE/VIRAL PROTEIN / SARS-CoV-2 / Omicron BA.2 / spike protein / VIRAL PROTEIN / HYDROLASE-VIRAL PROTEIN complex | ||||||
機能・相同性 | ![]() 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素 / positive regulation of L-proline import across plasma membrane / angiotensin-mediated drinking behavior / positive regulation of gap junction assembly / tryptophan transport / regulation of cardiac conduction / peptidyl-dipeptidase activity / angiotensin maturation / metallocarboxypeptidase activity / positive regulation of cardiac muscle contraction ...加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素 / positive regulation of L-proline import across plasma membrane / angiotensin-mediated drinking behavior / positive regulation of gap junction assembly / tryptophan transport / regulation of cardiac conduction / peptidyl-dipeptidase activity / angiotensin maturation / metallocarboxypeptidase activity / positive regulation of cardiac muscle contraction / brush border membrane / virus receptor activity / endopeptidase activity / Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / symbiont-mediated-mediated suppression of host tetherin activity / 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 / receptor ligand activity / endocytosis involved in viral entry into host cell / 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 / metal ion binding / identical protein binding / membrane / plasma membrane / cytoplasm 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: 2.94 Å | ||||||
![]() | Zhao, Z.N. / Xie, Y.F. / Chai, Y. / Qi, J.X. / Gao, G.F. | ||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structural basis for receptor binding and broader interspecies receptor recognition of currently circulating Omicron sub-variants. 著者: Zhennan Zhao / Yufeng Xie / Bin Bai / Chunliang Luo / Jingya Zhou / Weiwei Li / Yumin Meng / Linjie Li / Dedong Li / Xiaomei Li / Xiaoxiong Li / Xiaoyun Wang / Junqing Sun / Zepeng Xu / ...著者: Zhennan Zhao / Yufeng Xie / Bin Bai / Chunliang Luo / Jingya Zhou / Weiwei Li / Yumin Meng / Linjie Li / Dedong Li / Xiaomei Li / Xiaoxiong Li / Xiaoyun Wang / Junqing Sun / Zepeng Xu / Yeping Sun / Wei Zhang / Zheng Fan / Xin Zhao / Linhuan Wu / Juncai Ma / Odel Y Li / Guijun Shang / Yan Chai / Kefang Liu / Peiyi Wang / George F Gao / Jianxun Qi / ![]() 要旨: Multiple SARS-CoV-2 Omicron sub-variants, such as BA.2, BA.2.12.1, BA.4, and BA.5, emerge one after another. BA.5 has become the dominant strain worldwide. Additionally, BA.2.75 is significantly ...Multiple SARS-CoV-2 Omicron sub-variants, such as BA.2, BA.2.12.1, BA.4, and BA.5, emerge one after another. BA.5 has become the dominant strain worldwide. Additionally, BA.2.75 is significantly increasing in some countries. Exploring their receptor binding and interspecies transmission risk is urgently needed. Herein, we examine the binding capacities of human and other 28 animal ACE2 orthologs covering nine orders towards S proteins of these sub-variants. The binding affinities between hACE2 and these sub-variants remain in the range as that of previous variants of concerns (VOCs) or interests (VOIs). Notably, R493Q reverse mutation enhances the bindings towards ACE2s from humans and many animals closely related to human life, suggesting an increased risk of cross-species transmission. Structures of S/hACE2 or RBD/hACE2 complexes for these sub-variants and BA.2 S binding to ACE2 of mouse, rat or golden hamster are determined to reveal the molecular basis for receptor binding and broader interspecies recognition. | ||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 184.5 KB | 表示 | ![]() |
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PDB形式 | ![]() | 142.8 KB | 表示 | ![]() |
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その他 | ![]() |
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アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
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-関連構造データ
関連構造データ | ![]() 34120MC ![]() 7yhwC ![]() 7yj3C ![]() 7yvuC ![]() 8gryC ![]() 8h06C ![]() 8h5cC 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 ![]() |
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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: 68943.328 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() 参照: UniProt: A0A1U7QTA1, 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素 | ||||
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#2: タンパク質 | 分子量: 22282.211 Da / 分子数: 1 / Fragment: RBD / 由来タイプ: 組換発現 / 詳細: Omicron BA.2 由来: (組換発現) ![]() ![]() 遺伝子: S, 2 / 発現宿主: ![]() | ||||
#3: 化合物 | ChemComp-ZN / | ||||
#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 | |
-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) |
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由来(組換発現) |
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緩衝液 | pH: 8 | ||||||||||||||||||||||||
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
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 / 最大 デフォーカス(公称値): 2000 nm / 最小 デフォーカス(公称値): 1000 nm |
撮影 | 電子線照射量: 50 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: 1.19.2_4158: / 分類: 精密化 | ||||||||||||||||||||||||
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CTF補正 | タイプ: NONE | ||||||||||||||||||||||||
3次元再構成 | 解像度: 2.94 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 224458 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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