- PDB-4den: Structural insightsinto potent, specific anti-HIV property of act... -
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基本情報
登録情報
データベース: PDB / ID: 4den
タイトル
Structural insightsinto potent, specific anti-HIV property of actinohivin; Crystal structure of actinohivin in complex with alpha(1-2) mannobiose moiety of high-mannose type glycan of gp120
要素
Actinohivin
キーワード
ANTIVIRAL PROTEIN / anti-HIV lectin / molecular recognition / high-mannose type glycan
機能・相同性
機能・相同性情報
regulation of defense response to virus / carbohydrate binding 類似検索 - 分子機能
解像度: 1.6→39.75 Å / Cor.coef. Fo:Fc: 0.972 / Cor.coef. Fo:Fc free: 0.928 / SU B: 1.914 / SU ML: 0.073 / 交差検証法: THROUGHOUT / ESU R: 0.126 / ESU R Free: 0.12 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: THE CRYSTAL HABIT SHOWS THE SPACE GROUP TO BE P213 APPARENTLY AT THE HIGHEST CONFIDENCE. IN THE CRYSTAL STRUCTURE, HOWEVER, AUTHORS HAVE FOUND THAT THREE ACTINOHIVIN MOLECULES (IN COMPLEX ...詳細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
Rfactor
反射数
%反射
Selection details
Rfree
0.20167
370
4.6 %
RANDOM
Rwork
0.14473
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obs
0.14721
7647
99.16 %
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溶媒の処理
イオンプローブ半径: 0.8 Å / 減衰半径: 0.8 Å / VDWプローブ半径: 1.4 Å / 溶媒モデル: MASK