- EMDB-28160: The complex of phosphorylated human delta F508 cystic fibrosis tr... -
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データベース: EMDB / ID: EMD-28160
タイトル
The complex of phosphorylated human delta F508 cystic fibrosis transmembrane conductance regulator (CFTR) with elexacaftor (VX-445), lumacaftor (VX-809) and ATP/Mg
マップデータ
Delta 508 cystic fibrosis transmembrane conductance regulator (d508CFTR) in complex with lumacaftor, elexacaftor and ATP/Mg
試料
複合体: The complex of phosphorylated human delta F508 cystic fibrosis transmembrane conductance regulator (CFTR) with elexacaftor (VX-445), lumacaftor (VX-809) and ATP/Mg
ジャーナル: Science / 年: 2022 タイトル: Molecular structures reveal synergistic rescue of Δ508 CFTR by Trikafta modulators. 著者: Karol Fiedorczuk / Jue Chen / 要旨: The predominant mutation causing cystic fibrosis, a deletion of phenylalanine 508 (Δ508) in the cystic fibrosis transmembrane conductance regulator (CFTR), leads to severe defects in CFTR biogenesis ...The predominant mutation causing cystic fibrosis, a deletion of phenylalanine 508 (Δ508) in the cystic fibrosis transmembrane conductance regulator (CFTR), leads to severe defects in CFTR biogenesis and function. The advanced therapy Trikafta combines the folding corrector tezacaftor (VX-661), the channel potentiator ivacaftor (VX-770), and the dual-function modulator elexacaftor (VX-445). However, it is unclear how elexacaftor exerts its effects, in part because the structure of Δ508 CFTR is unknown. Here, we present cryo-electron microscopy structures of Δ508 CFTR in the absence and presence of CFTR modulators. When used alone, elexacaftor partially rectified interdomain assembly defects in Δ508 CFTR, but when combined with a type I corrector, did so fully. These data illustrate how the different modulators in Trikafta synergistically rescue Δ508 CFTR structure and function.
全体 : The complex of phosphorylated human delta F508 cystic fibrosis tr...
全体
名称: The complex of phosphorylated human delta F508 cystic fibrosis transmembrane conductance regulator (CFTR) with elexacaftor (VX-445), lumacaftor (VX-809) and ATP/Mg
要素
複合体: The complex of phosphorylated human delta F508 cystic fibrosis transmembrane conductance regulator (CFTR) with elexacaftor (VX-445), lumacaftor (VX-809) and ATP/Mg