- EMDB-53573: Murine AA amyloid fibril morphology III (AA III) -
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基本情報
登録情報
データベース: EMDB / ID: EMD-53573
タイトル
Murine AA amyloid fibril morphology III (AA III)
マップデータ
試料
複合体: Amyloid fibril containing SAA peptides
タンパク質・ペプチド: Serum amyloid A-2 protein
キーワード
Amyloid fibril / AA amyloidosis / systemic amyloidosis / AApoAII amyloidosis / misfolfing disease / protein aggregation / PROTEIN FIBRIL
機能・相同性
Serum amyloid A protein / : / Serum amyloid A protein / Serum amyloid A proteins signature. / Serum amyloid A proteins / response to stilbenoid / high-density lipoprotein particle / acute-phase response / Serum amyloid A-2 protein
ジャーナル: J Mol Biol / 年: 2025 タイトル: Cryo-EM Observation of AA Amyloid Fibrils in Mouse Model of Systemic AApoAII Amyloidosis. 著者: Giada Andreotti / Keichii Higuchi / Matthias Schmidt / Marcus Fändrich / 要旨: The co-deposition of amyloid fibrils from different precursor proteins is a topic of increasing relevance for protein misfolding diseases. Using cryo-electron microscopy (cryo-EM), we here determined ...The co-deposition of amyloid fibrils from different precursor proteins is a topic of increasing relevance for protein misfolding diseases. Using cryo-electron microscopy (cryo-EM), we here determined the structures of two serum amyloid A (SAA) protein-derived amyloid fibril morphologies that were extracted from a mouse strain that is primarily known to be associated with apolipoprotein A-II-derived amyloid fibrils. The two fibril morphologies show the same protomer conformation as in previously reported ex vivo amyloid fibrils from SAA protein but a different relative arrangement of fibril protein stacks. These data establish that serum amyloid A-derived amyloid fibrils share the same fibril protein fold in different mouse strains and disease contexts.