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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: 8bgv | ||||||
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| タイトル | Tau Paired Helical Filament from Cellular Fraction of Alzheimer's disease brain | ||||||
要素 | Microtubule-associated protein tau | ||||||
キーワード | PROTEIN FIBRIL / AMYLOID | ||||||
| 機能・相同性 | 機能・相同性情報plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / negative regulation of protein localization to mitochondrion / neurofibrillary tangle / microtubule lateral binding / axonal transport / tubulin complex / positive regulation of protein localization to synapse / phosphatidylinositol bisphosphate binding / generation of neurons ...plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / negative regulation of protein localization to mitochondrion / neurofibrillary tangle / microtubule lateral binding / axonal transport / tubulin complex / positive regulation of protein localization to synapse / phosphatidylinositol bisphosphate binding / generation of neurons / axon development / axonal transport of mitochondrion / rRNA metabolic process / central nervous system neuron development / regulation of mitochondrial fission / regulation of microtubule-based movement / intracellular distribution of mitochondria / regulation of chromosome organization / minor groove of adenine-thymine-rich DNA binding / lipoprotein particle binding / microtubule polymerization / negative regulation of mitochondrial membrane potential / regulation of microtubule polymerization / dynactin binding / apolipoprotein binding / protein polymerization / main axon / Caspase-mediated cleavage of cytoskeletal proteins / glial cell projection / regulation of microtubule polymerization or depolymerization / negative regulation of mitochondrial fission / axolemma / positive regulation of axon extension / neurofibrillary tangle assembly / regulation of cellular response to heat / positive regulation of microtubule polymerization / positive regulation of protein localization / Activation of AMPK downstream of NMDARs / positive regulation of superoxide anion generation / regulation of calcium-mediated signaling / cytoplasmic microtubule organization / cellular response to brain-derived neurotrophic factor stimulus / regulation of long-term synaptic depression / axon cytoplasm / supramolecular fiber organization / somatodendritic compartment / synapse assembly / astrocyte activation / nuclear periphery / phosphatidylinositol binding / protein phosphatase 2A binding / enzyme inhibitor activity / stress granule assembly / regulation of autophagy / regulation of microtubule cytoskeleton organization / cellular response to reactive oxygen species / microglial cell activation / cellular response to nerve growth factor stimulus / Hsp90 protein binding / memory / regulation of synaptic plasticity / SH3 domain binding / synapse organization / protein homooligomerization / PKR-mediated signaling / microtubule cytoskeleton organization / response to lead ion / neuron projection development / cytoplasmic ribonucleoprotein granule / microtubule cytoskeleton / cell-cell signaling / cellular response to heat / single-stranded DNA binding / growth cone / protein-folding chaperone binding / actin binding / cell body / double-stranded DNA binding / sequence-specific DNA binding / microtubule binding / amyloid fibril formation / dendritic spine / microtubule / learning or memory / protein-macromolecule adaptor activity / neuron projection / membrane raft / negative regulation of gene expression / axon / neuronal cell body / DNA damage response / dendrite / protein kinase binding / enzyme binding / mitochondrion / DNA binding / RNA binding / extracellular region / identical protein binding / nucleus 類似検索 - 分子機能 | ||||||
| 生物種 | Homo sapiens (ヒト) | ||||||
| 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: 3.27 Å | ||||||
データ登録者 | Behr, T.S. / Ryskeldi-Falcon, B. | ||||||
| 資金援助 | 英国, 1件
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引用 | ジャーナル: bioRxiv / 年: 2023タイトル: Tau filaments are tethered within brain extracellular vesicles in Alzheimer's disease. 著者: S L Fowler / T S Behr / E Turkes / P Maglio Cauhy / M S Foiani / A Schaler / G Crowley / S Bez / E Ficulle / E Tsefou / D P O'Brien / R Fischer / B Geary / P Gaur / C Miller / P D'Acunzo / E ...著者: S L Fowler / T S Behr / E Turkes / P Maglio Cauhy / M S Foiani / A Schaler / G Crowley / S Bez / E Ficulle / E Tsefou / D P O'Brien / R Fischer / B Geary / P Gaur / C Miller / P D'Acunzo / E Levy / K E Duff / B Ryskeldi-Falcon 要旨: The abnormal assembly of tau protein in neurons is the pathological hallmark of multiple neurodegenerative diseases, including Alzheimer's disease (AD). In addition, assembled tau associates with ...The abnormal assembly of tau protein in neurons is the pathological hallmark of multiple neurodegenerative diseases, including Alzheimer's disease (AD). In addition, assembled tau associates with extracellular vesicles (EVs) in the central nervous system of patients with AD, which is linked to its clearance and prion-like propagation between neurons. However, the identities of the assembled tau species and the EVs, as well as how they associate, are not known. Here, we combined quantitative mass spectrometry, cryo-electron tomography and single-particle cryo-electron microscopy to study brain EVs from AD patients. We found filaments of truncated tau enclosed within EVs enriched in endo-lysosomal proteins. We observed multiple filament interactions, including with molecules that tethered filaments to the EV limiting membrane, suggesting selective packaging. Our findings will guide studies into the molecular mechanisms of EV-mediated secretion of assembled tau and inform the targeting of EV-associated tau as potential therapeutic and biomarker strategies for AD. | ||||||
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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 | 8bgv.cif.gz | 145.2 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb8bgv.ent.gz | 95.9 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 8bgv.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/bg/8bgv ftp://data.pdbj.org/pub/pdb/validation_reports/bg/8bgv | 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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| 非結晶学的対称性 (NCS) | NCS oper:
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要素
| #1: タンパク質 | 分子量: 45919.871 Da / 分子数: 7 / 由来タイプ: 天然 / 由来: (天然) Homo sapiens (ヒト) / 器官: Brain / 組織: Brain / 参照: UniProt: P10636 |
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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: Tau Paired Helical Filament / タイプ: TISSUE 詳細: Tau Paired Helical Filament extracted from the cellular fraction of the brain of an individual who had Alzheimer's disease. Entity ID: all / 由来: NATURAL |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) / 細胞内の位置: Cytoplasm / 器官: Brain / Organelle: Cytoplasm / 組織: Brain |
| 緩衝液 | pH: 7.4 |
| 試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
| 急速凍結 | 凍結剤: ETHANE |
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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 / 最大 デフォーカス(公称値): 2400 nm / 最小 デフォーカス(公称値): 1000 nm |
| 撮影 | 電子線照射量: 40 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
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解析
| ソフトウェア | 名称: REFMAC / バージョン: 5.8.0387 / 分類: 精密化 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| CTF補正 | タイプ: NONE | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| らせん対称 | 回転角度/サブユニット: 174.454 ° / 軸方向距離/サブユニット: 2.413 Å / らせん対称軸の対称性: C1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 3次元再構成 | 解像度: 3.27 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 9347 / 対称性のタイプ: HELICAL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 精密化 | 解像度: 3.27→155.12 Å / Cor.coef. Fo:Fc: 0.779 / SU B: 27.188 / SU ML: 0.42 / ESU R: 0.173 立体化学のターゲット値: MAXIMUM LIKELIHOOD WITH PHASES 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
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| 溶媒の処理 | 溶媒モデル: PARAMETERS FOR MASK CACLULATION | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 原子変位パラメータ | Biso mean: 66.433 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 精密化ステップ | サイクル: 1 / 合計: 587 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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ムービー
コントローラー
万見について




Homo sapiens (ヒト)
英国, 1件
引用



PDBj







FIELD EMISSION GUN