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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: 9ays | |||||||||||||||||||||||||||
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タイトル | HIV BG505.v5.2 (N289/N241) SOSIP Env in Complex with V5, gp120-Interface, and Anti-Immune Complex pAbs from Rh.33203 | |||||||||||||||||||||||||||
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![]() | VIRAL PROTEIN / HIV / Polyclonal / Antibodies / CryoEMPEM / NHP / Macaque / V5 / gp120-Interface / Anti-Immune Complex | |||||||||||||||||||||||||||
機能・相同性 | ![]() positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / host cell endosome membrane / clathrin-dependent endocytosis of virus by host cell / viral protein processing / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / host cell plasma membrane ...positive regulation of plasma membrane raft polarization / positive regulation of receptor clustering / host cell endosome membrane / clathrin-dependent endocytosis of virus by host cell / viral protein processing / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / host cell plasma membrane / virion membrane / structural molecule activity / identical protein binding / membrane 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: 4.6 Å | |||||||||||||||||||||||||||
![]() | Brown, S. / Antansijevic, A. / Ward, A.B. | |||||||||||||||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Anti-immune complex antibodies are elicited during repeated immunization with HIV Env immunogens. 著者: Sharidan Brown / Aleksandar Antanasijevic / Leigh M Sewall / Daniel Montiel Garcia / James Ferguson / Philip J M Brouwer / Rogier W Sanders / Andrew B Ward / ![]() ![]() ![]() 要旨: Vaccination strategies against HIV-1 aim to elicit broadly neutralizing antibodies (bnAbs) using prime-boost regimens with HIV envelope (Env) immunogens. Epitope mapping has shown that early antibody ...Vaccination strategies against HIV-1 aim to elicit broadly neutralizing antibodies (bnAbs) using prime-boost regimens with HIV envelope (Env) immunogens. Epitope mapping has shown that early antibody responses are directed to easily accessible nonneutralizing epitopes on Env instead of bnAb epitopes. Autologously neutralizing antibody responses appear upon boosting, once immunodominant epitopes are saturated. Here, we use electron microscopy-based polyclonal epitope mapping (EMPEM) to elucidate how repeated immunization with HIV Env SOSIP immunogens results in the generation of Ab2α anti-idiotypic antibodies in rabbits and rhesus macaques. We present the structures of six anti-immune complex antibodies and find that they target idiotopes composed of framework regions of antibodies bound to Env. Examination of cryo-electron microscopy density enabled prediction of sequences for an anti-immune complex antibody, the paratope of which is enriched with aromatic amino acids. This work sheds light on current vaccine development efforts for HIV, as well as for other pathogens in which repeated exposure to antigen is required. | |||||||||||||||||||||||||||
履歴 |
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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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 | ![]() | 419.2 KB | 表示 | ![]() |
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PDB形式 | ![]() | 表示 | ![]() | |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
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 | ![]() 43998MC ![]() 9atzC ![]() 9axdC ![]() 9axiC ![]() 9axkC ![]() 9ay6C ![]() 9ayvC 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
-NHP gp120-Interface Epitope pAb - Predicted ... , 2種, 2分子 HL
#1: タンパク質 | 分子量: 10315.707 Da / 分子数: 1 / 由来タイプ: 天然 詳細: The sequence of this polyclonal antibody is unknown and modeled as a poly-UNK chain. 由来: (天然) ![]() ![]() |
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#2: タンパク質 | 分子量: 8613.609 Da / 分子数: 1 / 由来タイプ: 天然 詳細: The sequence of this polyclonal antibody is unknown and modeled as a poly-UNK chain. 由来: (天然) ![]() ![]() |
-タンパク質 , 2種, 6分子 ACEBDF
#3: タンパク質 | 分子量: 57775.781 Da / 分子数: 3 / 由来タイプ: 組換発現 / 詳細: This sequence contains engineered SOSIP mutations. 由来: (組換発現) ![]() ![]() 遺伝子: env / 発現宿主: ![]() #4: タンパク質 | 分子量: 17506.963 Da / 分子数: 3 / 由来タイプ: 組換発現 / 詳細: This sequence contains engineered SOSIP mutations. 由来: (組換発現) ![]() ![]() 遺伝子: env / 発現宿主: ![]() |
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-NHP V5 Epitope pAb - Predicted ... , 2種, 2分子 GI
#5: タンパク質 | 分子量: 8698.714 Da / 分子数: 1 / 由来タイプ: 天然 詳細: The sequence of this polyclonal antibody is unknown and modeled as a poly-UNK chain. 由来: (天然) ![]() ![]() |
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#6: タンパク質 | 分子量: 9805.078 Da / 分子数: 1 / 由来タイプ: 天然 詳細: The sequence of this polyclonal antibody is unknown and modeled as a poly-UNK chain. 由来: (天然) ![]() ![]() |
-NHP Anti-Immune Complex pAb - Predicted ... , 2種, 2分子 JK
#7: タンパク質 | 分子量: 8868.924 Da / 分子数: 1 / 由来タイプ: 天然 詳細: The sequence of this polyclonal antibody is unknown and modeled as a poly-UNK chain. 由来: (天然) ![]() ![]() |
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#8: タンパク質 | 分子量: 8017.875 Da / 分子数: 1 / 由来タイプ: 天然 詳細: The sequence of this polyclonal antibody is unknown and modeled as a poly-UNK chain. 由来: (天然) ![]() ![]() |
-糖 , 7種, 65分子 
#9: 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 | ||||||||||
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#10: 多糖 | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose #11: 多糖 | #12: 多糖 | alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-4)][alpha-D-mannopyranose-(1-6)]beta-D- ...alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-4)][alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | タイプ: oligosaccharide / 分子量: 1072.964 Da / 分子数: 1 / 由来タイプ: 組換発現 #13: 多糖 | #14: 多糖 | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2- ...2-acetamido-2-deoxy-beta-D-glucopyranose-(1-3)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | #15: 糖 | ChemComp-NAG / |
-詳細
研究の焦点であるリガンドがあるか | N |
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Has protein modification | Y |
配列の詳細 | The polyclonal antibody has an unknown sequence and is modeled as a poly-UNK chains. |
-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: HIV-1 BG505 SOSIP Env in Complex with NHP Polyclonal Antibody - V5, gp120-Interface, and Anti-Immune Complex Epitopes タイプ: COMPLEX / Entity ID: #1-#8 / 由来: MULTIPLE SOURCES |
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分子量 | 実験値: NO |
由来(天然) | 生物種: ![]() ![]() |
緩衝液 | pH: 7.4 |
試料 | 濃度: 7.5 mg/ml / 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: COPPER / グリッドのサイズ: 400 divisions/in. / グリッドのタイプ: Quantifoil 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: 283 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: TFS 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): 1600 nm / 最小 デフォーカス(公称値): 800 nm |
試料ホルダ | 凍結剤: NITROGEN |
撮影 | 電子線照射量: 49.4 e/Å2 / 検出モード: COUNTING フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) 実像数: 5297 |
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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: 4.6 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 12893 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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