- PDB-8tdn: Cryo-EM structure of cardiac amyloid fibril from a variant ATTR I... -
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基本情報
登録情報
データベース: PDB / ID: 8tdn
タイトル
Cryo-EM structure of cardiac amyloid fibril from a variant ATTR I84S amyloidosis patient-3, wild-type morphology
要素
Transthyretin
キーワード
PROTEIN FIBRIL / ATTR / amyloidosis / cardiac fibril
機能・相同性
機能・相同性情報
Defective visual phototransduction due to STRA6 loss of function / negative regulation of glomerular filtration / The canonical retinoid cycle in rods (twilight vision) / purine nucleobase metabolic process / molecular sequestering activity / phototransduction, visible light / Non-integrin membrane-ECM interactions / retinoid metabolic process / Retinoid metabolism and transport / hormone activity ...Defective visual phototransduction due to STRA6 loss of function / negative regulation of glomerular filtration / The canonical retinoid cycle in rods (twilight vision) / purine nucleobase metabolic process / molecular sequestering activity / phototransduction, visible light / Non-integrin membrane-ECM interactions / retinoid metabolic process / Retinoid metabolism and transport / hormone activity / azurophil granule lumen / Amyloid fiber formation / Neutrophil degranulation / extracellular space / extracellular exosome / extracellular region / identical protein binding 類似検索 - 分子機能
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI)
DP2-HL163810
米国
American Heart Association
Career Development Award 847236
米国
Welch Foundation
Research Award I-2121-20220331
米国
引用
ジャーナル: Nat Commun / 年: 2024 タイトル: Structural polymorphism of amyloid fibrils in ATTR amyloidosis revealed by cryo-electron microscopy. 著者: Binh An Nguyen / Virender Singh / Shumaila Afrin / Anna Yakubovska / Lanie Wang / Yasmin Ahmed / Rose Pedretti / Maria Del Carmen Fernandez-Ramirez / Preeti Singh / Maja Pękała / Luis O ...著者: Binh An Nguyen / Virender Singh / Shumaila Afrin / Anna Yakubovska / Lanie Wang / Yasmin Ahmed / Rose Pedretti / Maria Del Carmen Fernandez-Ramirez / Preeti Singh / Maja Pękała / Luis O Cabrera Hernandez / Siddharth Kumar / Andrew Lemoff / Roman Gonzalez-Prieto / Michael R Sawaya / David S Eisenberg / Merrill Douglas Benson / Lorena Saelices / 要旨: ATTR amyloidosis is caused by the deposition of transthyretin in the form of amyloid fibrils in virtually every organ of the body, including the heart. This systemic deposition leads to a phenotypic ...ATTR amyloidosis is caused by the deposition of transthyretin in the form of amyloid fibrils in virtually every organ of the body, including the heart. This systemic deposition leads to a phenotypic variability that has not been molecularly explained yet. In brain amyloid conditions, previous studies suggest an association between clinical phenotype and the molecular structures of their amyloid fibrils. Here we investigate whether there is such an association in ATTRv amyloidosis patients carrying the mutation I84S. Using cryo-electron microscopy, we determined the structures of cardiac fibrils extracted from three ATTR amyloidosis patients carrying the ATTRv-I84S mutation, associated with a consistent clinical phenotype. We found that in each ATTRv-I84S patient, the cardiac fibrils exhibited different local conformations, and these variations can co-exist within the same fibril. Our finding suggests that one amyloid disease may associate with multiple fibril structures in systemic amyloidoses, calling for further studies.
履歴
登録
2023年7月4日
登録サイト: RCSB / 処理サイト: RCSB
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2023年12月13日
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2023年12月13日
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Data content type: EM metadata / Data content type: EM metadata / EM metadata / Group: Data processing / Experimental summary / Data content type: EM metadata / EM metadata / カテゴリ: em_admin / em_software / Data content type: EM metadata / EM metadata / Item: _em_admin.last_update / _em_software.name