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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: 7ucf | ||||||||||||
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タイトル | Structure of the BG505 SOSIP.664 trimer in complex with neutralizing antibody Fab fragments 10-1074 and BG24 | ||||||||||||
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![]() | VIRAL PROTEIN/IMMUNE SYSTEM / broadly neutralizing antibody / bNAb / HIV-1 / CD4 binding site / VH1-2 / VRC01-class / antiviral protein / VIRAL PROTEIN-IMMUNE SYSTEM 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 | ![]() ![]() ![]() | ||||||||||||
![]() | Barnes, C.O. / Bjorkman, P.J. | ||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: A naturally arising broad and potent CD4-binding site antibody with low somatic mutation. 著者: Christopher O Barnes / Till Schoofs / Priyanthi N P Gnanapragasam / Jovana Golijanin / Kathryn E Huey-Tubman / Henning Gruell / Philipp Schommers / Nina Suh-Toma / Yu Erica Lee / Julio C ...著者: Christopher O Barnes / Till Schoofs / Priyanthi N P Gnanapragasam / Jovana Golijanin / Kathryn E Huey-Tubman / Henning Gruell / Philipp Schommers / Nina Suh-Toma / Yu Erica Lee / Julio C Cetrulo Lorenzi / Alicja Piechocka-Trocha / Johannes F Scheid / Anthony P West / Bruce D Walker / Michael S Seaman / Florian Klein / Michel C Nussenzweig / Pamela J Bjorkman / ![]() ![]() 要旨: The induction of broadly neutralizing antibodies (bNAbs) is a potential strategy for a vaccine against HIV-1. However, most bNAbs exhibit features such as unusually high somatic hypermutation, ...The induction of broadly neutralizing antibodies (bNAbs) is a potential strategy for a vaccine against HIV-1. However, most bNAbs exhibit features such as unusually high somatic hypermutation, including insertions and deletions, which make their induction challenging. VRC01-class bNAbs not only exhibit extraordinary breadth and potency but also rank among the most highly somatically mutated bNAbs. Here, we describe a VRC01-class antibody isolated from a viremic controller, BG24, that is much less mutated than most relatives of its class while achieving comparable breadth and potency. A 3.8-Å x-ray crystal structure of a BG24-BG505 Env trimer complex revealed conserved contacts at the gp120 interface characteristic of the VRC01-class Abs, despite lacking common CDR3 sequence motifs. The existence of moderately mutated CD4-binding site (CD4bs) bNAbs such as BG24 provides a simpler blueprint for CD4bs antibody induction by a vaccine, raising the prospect that such an induction might be feasible with a germline-targeting approach. | ||||||||||||
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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PDBx/mmCIF形式 | ![]() | 350.8 KB | 表示 | ![]() |
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PDB形式 | ![]() | 241.6 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 4.7 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 4.7 MB | 表示 | |
XML形式データ | ![]() | 65 KB | 表示 | |
CIF形式データ | ![]() | 87 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
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リンク
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集合体
登録構造単位 | ![]()
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単位格子 |
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要素
-Envelope glycoprotein ... , 2種, 2分子 BG
#1: タンパク質 | 分子量: 17146.482 Da / 分子数: 1 / 断片: UNP residues 509-661 / 由来タイプ: 組換発現 / 詳細: Env mimic BG505 由来: (組換発現) ![]() ![]() 遺伝子: env / Cell (発現宿主): Expi293 / 発現宿主: ![]() |
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#4: タンパク質 | 分子量: 55774.395 Da / 分子数: 1 / 断片: UNP residues 29-505 / 由来タイプ: 組換発現 / 詳細: Env mimic BG505 SOSIP.664 v3.2 由来: (組換発現) ![]() ![]() 遺伝子: env / Cell (発現宿主): Expi293 / 発現宿主: ![]() |
-抗体 , 4種, 4分子 DEHL
#2: 抗体 | 分子量: 25370.445 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() |
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#3: 抗体 | 分子量: 21897.195 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() |
#5: 抗体 | 分子量: 26389.465 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() |
#6: 抗体 | 分子量: 23180.760 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() |
-糖 , 16種, 22分子 


#7: 多糖 | alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose | ||||||||||||||||||||||||||||
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#8: 多糖 | #9: 多糖 | alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2- ...alpha-D-mannopyranose-(1-3)-[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 | #10: 多糖 | beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose- ...beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]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: 1276.157 Da / 分子数: 1 / 由来タイプ: 組換発現 #11: 多糖 | alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1- ...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 | #12: 多糖 | alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-beta-D- ...alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-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 | #15: 多糖 | alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1- ...alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | #16: 多糖 | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2- ...2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | #17: 多糖 | alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-beta-D- ...alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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 | #18: 多糖 | alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D- ...alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | #19: 多糖 | beta-D-mannopyranose-(1-4)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D- ...beta-D-mannopyranose-(1-4)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]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 #20: 多糖 | beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose | #21: 糖 | #22: 糖 | ChemComp-FUC / | |
-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 |
-実験情報
-実験
実験 | 手法: ![]() |
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試料調製
結晶 | マシュー密度: 3.86 Å3/Da / 溶媒含有率: 68.13 % |
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結晶化 | 温度: 295 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 6.5 / 詳細: 0.1 M Bis-Tris pH 6.5, 20% PEG1500 |
-データ収集
回折 | 平均測定温度: 100 K / Serial crystal experiment: N |
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放射光源 | 由来: ![]() ![]() ![]() |
検出器 | タイプ: DECTRIS PILATUS 6M / 検出器: PIXEL / 日付: 2019年1月27日 |
放射 | プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray |
放射波長 | 波長: 0.987 Å / 相対比: 1 |
反射 | 解像度: 3.8→39.49 Å / Num. obs: 24941 / % possible obs: 99.6 % / 冗長度: 11.3 % / Biso Wilson estimate: 215.96 Å2 / CC1/2: 0.998 / Rmerge(I) obs: 0.143 / Rpim(I) all: 0.066 / Net I/σ(I): 7.4 |
反射 シェル | 解像度: 3.8→4.06 Å / Rmerge(I) obs: 7.29 / Mean I/σ(I) obs: 0.3 / Num. unique obs: 4480 / CC1/2: 0.21 / Rpim(I) all: 2.36 |
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解析
ソフトウェア |
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精密化 | 構造決定の手法: ![]() 開始モデル: 5CEZ 解像度: 4→39.49 Å / SU ML: 0.6465 / 交差検証法: FREE R-VALUE / σ(F): 1.96 / 位相誤差: 42.7504 立体化学のターゲット値: GeoStd + Monomer Library + CDL v1.2
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溶媒の処理 | 減衰半径: 0.9 Å / VDWプローブ半径: 1.11 Å / 溶媒モデル: FLAT BULK SOLVENT MODEL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
原子変位パラメータ | Biso mean: 264.86 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
精密化ステップ | サイクル: LAST / 解像度: 4→39.49 Å
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LS精密化 シェル |
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