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基本情報
登録情報 | データベース: PDB / ID: 5jsa | |||||||||
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タイトル | Uncleaved prefusion optimized gp140 trimer with an engineered 10-residue HR1 turn bound to broadly neutralizing antibodies 8ANC195 and PGT128 | |||||||||
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![]() | VIRAL PROTEIN/IMMUNE SYSTEM / HIV-1 trimer / UFO / SOSIP / vaccine / 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 | ![]() ![]() ![]() | |||||||||
![]() | Kong, L. / Wilson, I.A. | |||||||||
![]() | ![]() タイトル: Uncleaved prefusion-optimized gp140 trimers derived from analysis of HIV-1 envelope metastability. 著者: Leopold Kong / Linling He / Natalia de Val / Nemil Vora / Charles D Morris / Parisa Azadnia / Devin Sok / Bin Zhou / Dennis R Burton / Andrew B Ward / Ian A Wilson / Jiang Zhu / ![]() 要旨: The trimeric HIV-1 envelope glycoprotein (Env) is critical for host immune recognition and neutralization. Despite advances in trimer design, the roots of Env trimer metastability remain elusive. ...The trimeric HIV-1 envelope glycoprotein (Env) is critical for host immune recognition and neutralization. Despite advances in trimer design, the roots of Env trimer metastability remain elusive. Here we investigate the contribution of two Env regions to metastability. First, we computationally redesign a largely disordered bend in heptad region 1 (HR1) of SOSIP trimers that connects the long, central HR1 helix to the fusion peptide, substantially improving the yield of soluble, well-folded trimers. Structural and antigenic analyses of two distinct HR1 redesigns confirm that redesigned Env closely mimics the native, prefusion trimer with a more stable gp41. Next, we replace the cleavage site between gp120 and gp41 with various linkers in the context of an HR1 redesign. Electron microscopy reveals a potential fusion intermediate state for uncleaved trimers containing short but not long linkers. Together, these results outline a general approach for stabilization of Env trimers from diverse HIV-1 strains. | |||||||||
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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 | ![]() | 287.7 KB | 表示 | ![]() |
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PDB形式 | ![]() | 231.3 KB | 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 | ![]() 6590C ![]() 6591C ![]() 6592C ![]() 6593C ![]() 6621C ![]() 6622C ![]() 6623C ![]() 6624C ![]() 6625C ![]() 6626C ![]() 6627C ![]() 6628C ![]() 5js9C ![]() 5c7kS C: 同じ文献を引用 ( S: 精密化の開始モデル |
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類似構造データ |
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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
-タンパク質 , 2種, 2分子 CD
#3: タンパク質 | 分子量: 53907.148 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現) ![]() ![]() 株: BG505 / 細胞株 (発現宿主): HEK293 / 発現宿主: ![]() |
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#4: タンパク質 | 分子量: 15878.886 Da / 分子数: 1 / Fragment: modified HR1 / 由来タイプ: 組換発現 由来: (組換発現) ![]() ![]() 細胞株 (発現宿主): HEK293 / 発現宿主: ![]() |
-抗体 , 4種, 4分子 ABEF
#1: 抗体 | 分子量: 25580.701 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() |
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#2: 抗体 | 分子量: 22223.588 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: 25268.375 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: 23401.984 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() |
-糖 , 10種, 17分子 
#7: 多糖 | #8: 多糖 | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-[alpha-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[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 | #9: 多糖 | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[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 | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[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 | #11: 多糖 | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-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 | #12: 多糖 | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2- ...alpha-D-mannopyranose-(1-2)-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 | #13: 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 #14: 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 | #15: 多糖 | alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-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 | #16: 糖 | |
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-詳細
Has protein modification | Y |
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-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: 4.4 Å3/Da / 溶媒含有率: 72.02 % |
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結晶化 | 温度: 295 K / 手法: 蒸気拡散法 詳細: 0.05 M lithium sulfate, 0.05 M sodium sulfate, 20% w/v PEG400, 0.05 M Tris-HCl, pH 8.7 |
-データ収集
回折 | 平均測定温度: 100 K |
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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: 2015年3月23日 |
放射 | モノクロメーター: double crystal Si(111) / 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: 1.033 Å / 相対比: 1 |
反射 | 解像度: 6.3→50 Å / Num. obs: 6914 / % possible obs: 100 % / 冗長度: 15.1 % / CC1/2: 0.51 / Rsym value: 0.1 / Net I/σ(I): 17.9 |
反射 シェル | 解像度: 6.3→6.52 Å / % possible all: 100 |
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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: PDB entry 5C7K 解像度: 6.308→40.143 Å / SU ML: 1.12 / 交差検証法: FREE R-VALUE / σ(F): 1.34 / 位相誤差: 39.06
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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 | ||||||||||||||||||||||||||||||||||||||||||
精密化ステップ | サイクル: LAST / 解像度: 6.308→40.143 Å
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LS精密化 シェル |
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