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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: 8bfb | |||||||||
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| タイトル | Sarkosyl-extracted AppNL-G-F Abeta42 fibril structure (Methoxy-X04-labelled mice) | |||||||||
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 / hippocampal neuron apoptotic process ...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 / hippocampal neuron apoptotic process / axon midline choice point recognition / astrocyte activation involved in immune response / regulation of synapse structure or activity / 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 / astrocyte projection / Lysosome Vesicle Biogenesis / 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 / signaling receptor activator activity / negative regulation of long-term synaptic potentiation / Advanced glycosylation endproduct receptor signaling / modulation of excitatory postsynaptic potential / transition metal ion binding / main axon / The NLRP3 inflammasome / regulation of multicellular organism growth / intracellular copper ion homeostasis / ECM proteoglycans / regulation of presynapse assembly / positive regulation of T cell migration / neuronal dense core vesicle / response to insulin-like growth factor stimulus / Purinergic signaling in leishmaniasis infection / positive regulation of chemokine production / Notch signaling pathway / cellular response to manganese ion / swimming behavior / clathrin-coated pit / extracellular matrix organization / neuron projection maintenance / astrocyte activation / Mitochondrial protein degradation / ionotropic glutamate receptor signaling pathway / positive regulation of calcium-mediated signaling / positive regulation of mitotic cell cycle / protein serine/threonine kinase binding / axonogenesis / response to interleukin-1 / regulation of neuron apoptotic process / platelet alpha granule lumen / cellular response to copper ion / cellular response to cAMP / positive regulation of glycolytic process / central nervous system development / dendritic shaft / trans-Golgi network membrane / endosome lumen / positive regulation of long-term synaptic potentiation / positive regulation of interleukin-1 beta production / adult locomotory behavior / learning / Post-translational protein phosphorylation / locomotory behavior / serine-type endopeptidase inhibitor activity / microglial cell activation / positive regulation of non-canonical NF-kappaB signal transduction / cellular response to nerve growth factor stimulus / TAK1-dependent IKK and NF-kappa-B activation / recycling endosome / regulation of long-term neuronal synaptic plasticity / synapse organization / visual learning / positive regulation of JNK cascade / response to lead ion / Golgi lumen / positive regulation of interleukin-6 production / cognition / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / cellular response to amyloid-beta / endocytosis / neuron projection development / positive regulation of tumor necrosis factor production / positive regulation of inflammatory response / calcium ion transport / Platelet degranulation / regulation of translation / heparin binding / regulation of gene expression 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: 3.2 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 | 8bfb.cif.gz | 70.3 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb8bfb.ent.gz | 53.7 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 8bfb.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
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/bf/8bfb ftp://data.pdbj.org/pub/pdb/validation_reports/bf/8bfb | HTTPS FTP |
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-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: Humanised Abeta42 from App^NL-G-F mice with arctic mutation (E22G) 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 labelled with Methoxy-X04 Entity ID: all / 由来: NATURAL | |||||||||||||||
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| 分子量 | 値: 4.441 kDa/nm / 実験値: NO | |||||||||||||||
| 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 labelled with Methoxy-X04 | |||||||||||||||
| 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): 130000 X / 最大 デフォーカス(公称値): 2900 nm / 最小 デフォーカス(公称値): 1400 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: 6 sec. / 電子線照射量: 41 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: 4165 詳細: 1442 raw EER frames were collected per image and combined into 40 fractions for processing |
| 電子光学装置 | エネルギーフィルター名称: TFS Selectris / エネルギーフィルタースリット幅: 10 eV |
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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: 179.355 ° / 軸方向距離/サブユニット: 2.414 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: 136214 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: 3.2 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 3640 / 対称性のタイプ: HELICAL | ||||||||||||||||||||||||||||||||||||||||
| 原子モデル構築 | B value: 52 / 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



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FIELD EMISSION GUN