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データを開く
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基本情報
| 登録情報 | データベース: PDB / ID: 8bfa | |||||||||
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| タイトル | Sarkosyl-extracted AppNL-G-F Abeta42 fibril structure | |||||||||
要素 | Amyloid-beta precursor protein | |||||||||
キーワード | PROTEIN FIBRIL / Amyloid / fibril / helical / cross-beta / beta amyloid / ex vivo / arctic mutant / alzheimers disease | |||||||||
| 機能・相同性 | 機能・相同性情報amyloid-beta complex / growth cone lamellipodium / cellular response to norepinephrine stimulus / growth cone filopodium / microglia development / collateral sprouting in absence of injury / Formyl peptide receptors bind formyl peptides and many other ligands / axo-dendritic transport / regulation of Wnt signaling pathway / regulation of synapse structure or activity ...amyloid-beta complex / growth cone lamellipodium / cellular response to norepinephrine stimulus / growth cone filopodium / microglia development / collateral sprouting in absence of injury / Formyl peptide receptors bind formyl peptides and many other ligands / axo-dendritic transport / regulation of Wnt signaling pathway / regulation of synapse structure or activity / axon midline choice point recognition / astrocyte activation involved in immune response / NMDA selective glutamate receptor signaling pathway / regulation of spontaneous synaptic transmission / mating behavior / growth factor receptor binding / peptidase activator activity / Golgi-associated vesicle / PTB domain binding / positive regulation of amyloid fibril formation / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / Lysosome Vesicle Biogenesis / astrocyte projection / neuron remodeling / Deregulated CDK5 triggers multiple neurodegenerative pathways in Alzheimer's disease models / nuclear envelope lumen / dendrite development / positive regulation of protein metabolic process / TRAF6 mediated NF-kB activation / Advanced glycosylation endproduct receptor signaling / signaling receptor activator activity / negative regulation of long-term synaptic potentiation / modulation of excitatory postsynaptic potential / The NLRP3 inflammasome / transition metal ion binding / main axon / regulation of multicellular organism growth / intracellular copper ion homeostasis / regulation of presynapse assembly / ECM proteoglycans / positive regulation of T cell migration / neuronal dense core vesicle / Purinergic signaling in leishmaniasis infection / positive regulation of chemokine production / cellular response to manganese ion / Notch signaling pathway / clathrin-coated pit / extracellular matrix organization / neuron projection maintenance / Mitochondrial protein degradation / astrocyte activation / ionotropic glutamate receptor signaling pathway / positive regulation of calcium-mediated signaling / positive regulation of mitotic cell cycle / response to interleukin-1 / axonogenesis / protein serine/threonine kinase binding / cellular response to copper ion / platelet alpha granule lumen / cellular response to cAMP / positive regulation of glycolytic process / central nervous system development / positive regulation of interleukin-1 beta production / endosome lumen / dendritic shaft / trans-Golgi network membrane / adult locomotory behavior / positive regulation of long-term synaptic potentiation / learning / positive regulation of JNK cascade / Post-translational protein phosphorylation / locomotory behavior / microglial cell activation / serine-type endopeptidase inhibitor activity / positive regulation of non-canonical NF-kappaB signal transduction / TAK1-dependent IKK and NF-kappa-B activation / regulation of long-term neuronal synaptic plasticity / cellular response to nerve growth factor stimulus / synapse organization / recycling endosome / visual learning / positive regulation of interleukin-6 production / response to lead ion / Golgi lumen / cognition / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / endocytosis / cellular response to amyloid-beta / positive regulation of inflammatory response / neuron projection development / positive regulation of tumor necrosis factor production / Platelet degranulation / heparin binding / regulation of translation / regulation of gene expression / early endosome membrane / perikaryon / G alpha (i) signalling events / G alpha (q) signalling events / dendritic spine 類似検索 - 分子機能 | |||||||||
| 生物種 | ![]() | |||||||||
| 手法 | 電子顕微鏡法 / らせん対称体再構成法 / クライオ電子顕微鏡法 / 解像度: 3 Å | |||||||||
データ登録者 | Wilkinson, M. / Leistner, C. / Burgess, A. / Goodfellow, S. / Deuchars, S. / Ranson, N.A. / Radford, S.E. / Frank, R.A.W. | |||||||||
| 資金援助 | 英国, 2件
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引用 | ジャーナル: Nat Commun / 年: 2023タイトル: The in-tissue molecular architecture of β-amyloid pathology in the mammalian brain. 著者: Conny Leistner / Martin Wilkinson / Ailidh Burgess / Megan Lovatt / Stanley Goodbody / Yong Xu / Susan Deuchars / Sheena E Radford / Neil A Ranson / René A W Frank / ![]() 要旨: Amyloid plaques composed of Aβ fibrils are a hallmark of Alzheimer's disease (AD). However, the molecular architecture of amyloid plaques in the context of fresh mammalian brain tissue is unknown. ...Amyloid plaques composed of Aβ fibrils are a hallmark of Alzheimer's disease (AD). However, the molecular architecture of amyloid plaques in the context of fresh mammalian brain tissue is unknown. Here, using cryogenic correlated light and electron tomography we report the in situ molecular architecture of Aβ fibrils in the App familial AD mouse model containing the Arctic mutation and an atomic model of ex vivo purified Arctic Aβ fibrils. We show that in-tissue Aβ fibrils are arranged in a lattice or parallel bundles, and are interdigitated by subcellular compartments, extracellular vesicles, extracellular droplets and extracellular multilamellar bodies. The Arctic Aβ fibril differs significantly from an earlier App fibril structure, indicating a striking effect of the Arctic mutation. These structural data also revealed an ensemble of additional fibrillar species, including thin protofilament-like rods and branched fibrils. Together, these results provide a structural model for the dense network architecture that characterises β-amyloid plaque pathology. | |||||||||
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 8bfa.cif.gz | 70.3 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb8bfa.ent.gz | 53.6 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 8bfa.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
| その他 | その他のダウンロード |
-検証レポート
| 文書・要旨 | 8bfa_validation.pdf.gz | 1.3 MB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 8bfa_full_validation.pdf.gz | 1.3 MB | 表示 | |
| XML形式データ | 8bfa_validation.xml.gz | 21.8 KB | 表示 | |
| CIF形式データ | 8bfa_validation.cif.gz | 29.9 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/bf/8bfa ftp://data.pdbj.org/pub/pdb/validation_reports/bf/8bfa | HTTPS FTP |
-関連構造データ
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リンク
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集合体
| 登録構造単位 | ![]()
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要素
| #1: タンパク質・ペプチド | 分子量: 4448.025 Da / 分子数: 10 / 由来タイプ: 天然 詳細: App^NL-G-F, humanised abeta42 with arctic mutation (E22G), processed form of APP cleaved in the brain 由来: (天然) ![]() |
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-実験情報
-実験
| 実験 | 手法: 電子顕微鏡法 |
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| EM実験 | 試料の集合状態: FILAMENT / 3次元再構成法: らせん対称体再構成法 |
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試料調製
| 構成要素 | 名称: Sarkosyl-extracted AppNL-G-F Abeta42 fibril / タイプ: COMPLEX / 詳細: Fibrils purified from mouse brain / Entity ID: all / 由来: NATURAL | |||||||||||||||
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| 分子量 | 値: 4.441 kDa/nm / 実験値: YES | |||||||||||||||
| 由来(天然) | 生物種: ![]() | |||||||||||||||
| 緩衝液 | pH: 7.4 | |||||||||||||||
| 緩衝液成分 |
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| 試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES 詳細: Sarkosyl-insoluble fibrils from App^NL-G-F mouse brain | |||||||||||||||
| 試料支持 | グリッドの材料: COPPER / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: C-flat-1.2/1.3 | |||||||||||||||
| 急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 湿度: 90 % / 凍結前の試料温度: 277 K / 詳細: 6s blot |
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電子顕微鏡撮影
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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| 顕微鏡 | モデル: FEI TITAN KRIOS |
| 電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
| 電子レンズ | モード: BRIGHT FIELD / 倍率(公称値): 96000 X / 最大 デフォーカス(公称値): 3100 nm / 最小 デフォーカス(公称値): 1600 nm / Cs: 2.7 mm / C2レンズ絞り径: 50 µm / アライメント法: COMA FREE |
| 試料ホルダ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
| 撮影 | 平均露光時間: 8 sec. / 電子線照射量: 52 e/Å2 フィルム・検出器のモデル: FEI FALCON IV (4k x 4k) 撮影したグリッド数: 1 / 実像数: 2428 詳細: 1925 raw EER frames were collected per image and combined into 40 fractions for processing |
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解析
| EMソフトウェア |
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| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||||||||||
| らせん対称 | 回転角度/サブユニット: 179.352 ° / 軸方向距離/サブユニット: 2.418 Å / らせん対称軸の対称性: C1 | ||||||||||||||||||||||||||||||||||||||||
| 粒子像の選択 | 選択した粒子像数: 63680 詳細: Manually picked a subset of images to train a model for automatic fibril segment picking in crYOLO | ||||||||||||||||||||||||||||||||||||||||
| 3次元再構成 | 解像度: 3 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 2568 / 対称性のタイプ: HELICAL | ||||||||||||||||||||||||||||||||||||||||
| 原子モデル構築 | B value: 89 / プロトコル: AB INITIO MODEL / 空間: REAL / Target criteria: Correlation coefficient |
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万見について






英国, 2件
引用



PDBj
















FIELD EMISSION GUN