- PDB-4ut7: CRYSTAL STRUCTURE OF THE SCFV FRAGMENT OF THE BROADLY NEUTRALIZIN... -
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基本情報
登録情報
データベース: PDB / ID: 4ut7
タイトル
CRYSTAL STRUCTURE OF THE SCFV FRAGMENT OF THE BROADLY NEUTRALIZING HUMAN ANTIBODY EDE2 A11
要素
(BROADLY NEUTRALIZING HUMAN ANTIBODY EDE2 A11) x 2
キーワード
IMMUNE SYSTEM / BROADLY NEUTRALIZING ANTIBODY / IMMUNE SYSTEM-VIRAL PROTEIN COMPLEX / VIRAL PROTEIN / MEMBRANE FUSION / CLASS 2 FUSION PROTEIN / DENGUE VIRUS / SCFV FRAGMENT
#1: ジャーナル: Nat Immunol / 年: 2015 タイトル: A new class of highly potent, broadly neutralizing antibodies isolated from viremic patients infected with dengue virus. 著者: Wanwisa Dejnirattisai / Wiyada Wongwiwat / Sunpetchuda Supasa / Xiaokang Zhang / Xinghong Dai / Alexander Rouvinski / Amonrat Jumnainsong / Carolyn Edwards / Nguyen Than Ha Quyen / Thaneeya ...著者: Wanwisa Dejnirattisai / Wiyada Wongwiwat / Sunpetchuda Supasa / Xiaokang Zhang / Xinghong Dai / Alexander Rouvinski / Amonrat Jumnainsong / Carolyn Edwards / Nguyen Than Ha Quyen / Thaneeya Duangchinda / Jonathan M Grimes / Wen-Yang Tsai / Chih-Yun Lai / Wei-Kung Wang / Prida Malasit / Jeremy Farrar / Cameron P Simmons / Z Hong Zhou / Felix A Rey / Juthathip Mongkolsapaya / Gavin R Screaton / 要旨: Dengue is a rapidly emerging, mosquito-borne viral infection, with an estimated 400 million infections occurring annually. To gain insight into dengue immunity, we characterized 145 human monoclonal ...Dengue is a rapidly emerging, mosquito-borne viral infection, with an estimated 400 million infections occurring annually. To gain insight into dengue immunity, we characterized 145 human monoclonal antibodies (mAbs) and identified a previously unknown epitope, the envelope dimer epitope (EDE), that bridges two envelope protein subunits that make up the 90 repeating dimers on the mature virion. The mAbs to EDE were broadly reactive across the dengue serocomplex and fully neutralized virus produced in either insect cells or primary human cells, with 50% neutralization in the low picomolar range. Our results provide a path to a subunit vaccine against dengue virus and have implications for the design and monitoring of future vaccine trials in which the induction of antibody to the EDE should be prioritized.
モノクロメーター: CHANNEL CUT CRYOGENICALLY COOLED MONOCHROMATOR CRYSTAL 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: 0.97857 Å / 相対比: 1
反射
解像度: 1.7→29.52 Å / Num. obs: 28835 / % possible obs: 99.3 % / Observed criterion σ(I): 0 / 冗長度: 3.2 % / Biso Wilson estimate: 18.2 Å2 / Rmerge(I) obs: 0.07 / Net I/σ(I): 8.9
反射 シェル
解像度: 1.7→1.73 Å / 冗長度: 1.9 % / Rmerge(I) obs: 0.44 / Mean I/σ(I) obs: 1.6 / % possible all: 95.5
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解析
ソフトウェア
名称
バージョン
分類
BUSTER
2.11.4
精密化
XDS
データ削減
Aimless
データスケーリング
PHASER
位相決定
精密化
構造決定の手法: 分子置換 開始モデル: FAB A11 FROM THE COMPLEX DENGUE 2 FAB A11 解像度: 1.7→20 Å / Cor.coef. Fo:Fc: 0.9321 / Cor.coef. Fo:Fc free: 0.9128 / SU R Cruickshank DPI: 0.092 / 交差検証法: THROUGHOUT / σ(F): 0 / SU R Blow DPI: 0.096 / SU Rfree Blow DPI: 0.093 / SU Rfree Cruickshank DPI: 0.091