+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 8q8m | ||||||
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タイトル | Tau - AD-PHF long crossover | ||||||
要素 | Isoform Tau-D of Microtubule-associated protein tau | ||||||
キーワード | PROTEIN FIBRIL / Amyloid / tau | ||||||
機能・相同性 | 機能・相同性情報 plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / neurofibrillary tangle assembly / positive regulation of diacylglycerol kinase activity / axonal transport / negative regulation of establishment of protein localization to mitochondrion / neurofibrillary tangle / positive regulation of protein localization to synapse / microtubule lateral binding / tubulin complex ...plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / neurofibrillary tangle assembly / positive regulation of diacylglycerol kinase activity / axonal transport / negative regulation of establishment of protein localization to mitochondrion / neurofibrillary tangle / positive regulation of protein localization to synapse / microtubule lateral binding / tubulin complex / phosphatidylinositol bisphosphate binding / main axon / negative regulation of kinase activity / regulation of long-term synaptic depression / negative regulation of tubulin deacetylation / generation of neurons / rRNA metabolic process / internal protein amino acid acetylation / regulation of chromosome organization / regulation of mitochondrial fission / axonal transport of mitochondrion / intracellular distribution of mitochondria / axon development / central nervous system neuron development / regulation of microtubule polymerization / apolipoprotein binding / microtubule polymerization / lipoprotein particle binding / minor groove of adenine-thymine-rich DNA binding / dynactin binding / negative regulation of mitochondrial membrane potential / glial cell projection / protein polymerization / axolemma / negative regulation of mitochondrial fission / regulation of microtubule polymerization or depolymerization / Caspase-mediated cleavage of cytoskeletal proteins / positive regulation of axon extension / regulation of microtubule cytoskeleton organization / Activation of AMPK downstream of NMDARs / regulation of cellular response to heat / cytoplasmic microtubule organization / positive regulation of protein localization / supramolecular fiber organization / stress granule assembly / regulation of calcium-mediated signaling / axon cytoplasm / somatodendritic compartment / positive regulation of microtubule polymerization / synapse assembly / cellular response to brain-derived neurotrophic factor stimulus / nuclear periphery / phosphatidylinositol binding / cellular response to nerve growth factor stimulus / positive regulation of superoxide anion generation / protein phosphatase 2A binding / regulation of autophagy / astrocyte activation / response to lead ion / microglial cell activation / synapse organization / Hsp90 protein binding / protein homooligomerization / PKR-mediated signaling / regulation of synaptic plasticity / : / memory / SH3 domain binding / microtubule cytoskeleton organization / cytoplasmic ribonucleoprotein granule / cellular response to reactive oxygen species / microtubule cytoskeleton / neuron projection development / cell-cell signaling / protein-folding chaperone binding / single-stranded DNA binding / actin binding / cellular response to heat / protein-macromolecule adaptor activity / double-stranded DNA binding / growth cone / cell body / microtubule binding / sequence-specific DNA binding / microtubule / amyloid fibril formation / dendritic spine / learning or memory / nuclear speck / neuron projection / membrane raft / axon / negative regulation of gene expression / neuronal cell body / DNA damage response / dendrite / protein kinase binding / enzyme binding / mitochondrion / DNA binding 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: 2.95 Å | ||||||
データ登録者 | Lovestam, S. / Li, D. / Scheres, S.H.W. / Goedert, M. | ||||||
資金援助 | 英国, 1件
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引用 | ジャーナル: Nature / 年: 2024 タイトル: Disease-specific tau filaments assemble via polymorphic intermediates. 著者: Sofia Lövestam / David Li / Jane L Wagstaff / Abhay Kotecha / Dari Kimanius / Stephen H McLaughlin / Alexey G Murzin / Stefan M V Freund / Michel Goedert / Sjors H W Scheres / 要旨: Intermediate species in the assembly of amyloid filaments are believed to play a central role in neurodegenerative diseases and may constitute important targets for therapeutic intervention. However, ...Intermediate species in the assembly of amyloid filaments are believed to play a central role in neurodegenerative diseases and may constitute important targets for therapeutic intervention. However, structural information about intermediate species has been scarce and the molecular mechanisms by which amyloids assemble remain largely unknown. Here we use time-resolved cryogenic electron microscopy to study the in vitro assembly of recombinant truncated tau (amino acid residues 297-391) into paired helical filaments of Alzheimer's disease or into filaments of chronic traumatic encephalopathy. We report the formation of a shared first intermediate amyloid filament, with an ordered core comprising residues 302-316. Nuclear magnetic resonance indicates that the same residues adopt rigid, β-strand-like conformations in monomeric tau. At later time points, the first intermediate amyloid disappears and we observe many different intermediate amyloid filaments, with structures that depend on the reaction conditions. At the end of both assembly reactions, most intermediate amyloids disappear and filaments with the same ordered cores as those from human brains remain. Our results provide structural insights into the processes of primary and secondary nucleation of amyloid assembly, with implications for the design of new therapies. | ||||||
履歴 |
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-構造の表示
構造ビューア | 分子: MolmilJmol/JSmol |
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-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 8q8m.cif.gz | 177.7 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb8q8m.ent.gz | 131.4 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 8q8m.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 | 8q8m_validation.pdf.gz | 1.3 MB | 表示 | wwPDB検証レポート |
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文書・詳細版 | 8q8m_full_validation.pdf.gz | 1.3 MB | 表示 | |
XML形式データ | 8q8m_validation.xml.gz | 32.5 KB | 表示 | |
CIF形式データ | 8q8m_validation.cif.gz | 46.2 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/q8/8q8m ftp://data.pdbj.org/pub/pdb/validation_reports/q8/8q8m | HTTPS FTP |
-関連構造データ
関連構造データ | 18255MC 8ppoC 8q27C 8q2jC 8q2kC 8q2lC 8q7fC 8q7lC 8q7mC 8q7pC 8q7tC 8q88C 8q8cC 8q8dC 8q8eC 8q8fC 8q8lC 8q8rC 8q8sC 8q8uC 8q8vC 8q8wC 8q8xC 8q8yC 8q8zC 8q97C 8q98C 8q99C 8q9aC 8q9bC 8q9cC 8q9dC 8q9eC 8q9fC 8q9gC 8q9hC 8q9iC 8q9jC 8q9kC 8q9lC 8q9mC 8q9oC 8qcpC 8qcrC 8qjjC M: このデータのモデリングに利用したマップデータ C: 同じ文献を引用 (文献) |
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類似構造データ | 類似検索 - 機能・相同性F&H 検索 |
-リンク
-集合体
登録構造単位 |
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1 |
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-要素
#1: タンパク質 | 分子量: 40002.773 Da / 分子数: 6 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: MAPT / 発現宿主: Escherichia coli (大腸菌) / 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 |
-試料調製
構成要素 | 名称: Amyloid / タイプ: COMPLEX / Entity ID: all / 由来: RECOMBINANT |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
由来(組換発現) | 生物種: Escherichia coli (大腸菌) |
緩衝液 | pH: 7.2 |
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 |
-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): 2500 nm / 最小 デフォーカス(公称値): 500 nm |
撮影 | 電子線照射量: 40 e/Å2 フィルム・検出器のモデル: FEI FALCON IV (4k x 4k) |
-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: 179.86 ° / 軸方向距離/サブユニット: 2.394 Å / らせん対称軸の対称性: C1 | ||||||||||||||||
3次元再構成 | 解像度: 2.95 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 109455 / 対称性のタイプ: HELICAL |