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基本情報
登録情報 | データベース: EMDB / ID: EMD-4566 | |||||||||
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タイトル | Cryo-EM reconstruction of heparin-induced 2N3R tau filaments | |||||||||
![]() | The helical reconstruction of heparin-induced 2N3R tau filaments | |||||||||
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機能・相同性 | ![]() plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / negative regulation of establishment of protein localization to mitochondrion / neurofibrillary tangle / microtubule lateral binding / axonal transport / positive regulation of protein localization to synapse / main axon / phosphatidylinositol bisphosphate binding / regulation of long-term synaptic depression ...plus-end-directed organelle transport along microtubule / histone-dependent DNA binding / negative regulation of establishment of protein localization to mitochondrion / neurofibrillary tangle / microtubule lateral binding / axonal transport / positive regulation of protein localization to synapse / main axon / phosphatidylinositol bisphosphate binding / regulation of long-term synaptic depression / tubulin complex / negative regulation of tubulin deacetylation / generation of neurons / regulation of chromosome organization / rRNA metabolic process / axonal transport of mitochondrion / regulation of mitochondrial fission / axon development / central nervous system neuron development / intracellular distribution of mitochondria / regulation of microtubule polymerization / microtubule polymerization / lipoprotein particle binding / minor groove of adenine-thymine-rich DNA binding / dynactin binding / negative regulation of mitochondrial membrane potential / apolipoprotein binding / glial cell projection / axolemma / protein polymerization / negative regulation of mitochondrial fission / Caspase-mediated cleavage of cytoskeletal proteins / regulation of microtubule polymerization or depolymerization / positive regulation of axon extension / neurofibrillary tangle assembly / Activation of AMPK downstream of NMDARs / synapse assembly / regulation of cellular response to heat / supramolecular fiber organization / positive regulation of protein localization / regulation of calcium-mediated signaling / somatodendritic compartment / cellular response to brain-derived neurotrophic factor stimulus / cytoplasmic microtubule organization / axon cytoplasm / positive regulation of microtubule polymerization / stress granule assembly / phosphatidylinositol binding / regulation of microtubule cytoskeleton organization / nuclear periphery / protein phosphatase 2A binding / positive regulation of superoxide anion generation / cellular response to reactive oxygen species / astrocyte activation / Hsp90 protein binding / microglial cell activation / cellular response to nerve growth factor stimulus / synapse organization / response to lead ion / PKR-mediated signaling / regulation of synaptic plasticity / protein homooligomerization / SH3 domain binding / regulation of autophagy / memory / microtubule cytoskeleton organization / cytoplasmic ribonucleoprotein granule / neuron projection development / cell-cell signaling / single-stranded DNA binding / microtubule cytoskeleton / protein-folding chaperone binding / actin binding / cellular response to heat / cell body / growth cone / double-stranded DNA binding / microtubule binding / protein-macromolecule adaptor activity / dendritic spine / sequence-specific DNA binding / amyloid fibril formation / microtubule / learning or memory / neuron projection / nuclear speck / membrane raft / axon / negative regulation of gene expression / neuronal cell body / dendrite / DNA damage response / 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 | ![]() | |||||||||
手法 | らせん対称体再構成法 / クライオ電子顕微鏡法 / 解像度: 3.7 Å | |||||||||
![]() | Zhang W / Falcon B / Murzin AG / Fan J / Crowther RA / Goedert M / Scheres SHW | |||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Heparin-induced tau filaments are polymorphic and differ from those in Alzheimer's and Pick's diseases. 著者: Wenjuan Zhang / Benjamin Falcon / Alexey G Murzin / Juan Fan / R Anthony Crowther / Michel Goedert / Sjors Hw Scheres / ![]() 要旨: Assembly of microtubule-associated protein tau into filamentous inclusions underlies a range of neurodegenerative diseases. Tau filaments adopt different conformations in Alzheimer's and Pick's ...Assembly of microtubule-associated protein tau into filamentous inclusions underlies a range of neurodegenerative diseases. Tau filaments adopt different conformations in Alzheimer's and Pick's diseases. Here, we used cryo- and immuno- electron microscopy to characterise filaments that were assembled from recombinant full-length human tau with four (2N4R) or three (2N3R) microtubule-binding repeats in the presence of heparin. 2N4R tau assembles into multiple types of filaments, and the structures of three types reveal similar 'kinked hairpin' folds, in which the second and third repeats pack against each other. 2N3R tau filaments are structurally homogeneous, and adopt a dimeric core, where the third repeats of two tau molecules pack in a parallel manner. The heparin-induced tau filaments differ from those of Alzheimer's or Pick's disease, which have larger cores with different repeat compositions. Our results illustrate the structural versatility of amyloid filaments, and raise questions about the relevance of in vitro assembly. | |||||||||
履歴 |
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構造の表示
ムービー |
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構造ビューア | EMマップ: ![]() ![]() ![]() |
添付画像 |
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ダウンロードとリンク
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マップデータ | ![]() | 21.6 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 20.7 KB 20.7 KB | 表示 表示 | ![]() |
FSC (解像度算出) | ![]() | 9.1 KB | 表示 | ![]() |
画像 | ![]() | 82.3 KB | ||
マスクデータ | ![]() | 64 MB | ![]() | |
その他 | ![]() ![]() | 48.4 MB 48.9 MB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-検証レポート
文書・要旨 | ![]() | 366.6 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 365.7 KB | 表示 | |
XML形式データ | ![]() | 15.1 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
関連構造データ | ![]() 6qjqMC ![]() 4563C ![]() 4564C ![]() 4565C ![]() 6qjhC ![]() 6qjmC ![]() 6qjpC M: このマップから作成された原子モデル C: 同じ文献を引用 ( |
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類似構造データ | |
電子顕微鏡画像生データ | ![]() Data size: 4.8 TB / Data #1: Aligned micrographs [micrographs - single frame] / Data #2: Raw movies [micrographs - multiframe]) |
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リンク
EMDBのページ | ![]() ![]() |
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「今月の分子」の関連する項目 |
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マップ
ファイル | ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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注釈 | The helical reconstruction of heparin-induced 2N3R tau filaments | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
投影像・断面図 | 画像のコントロール
画像は Spider により作成 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 1.04 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
CCP4マップ ヘッダ情報:
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-添付データ
-マスク #1
ファイル | ![]() | ||||||||||||
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投影像・断面図 |
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密度ヒストグラム |
-ハーフマップ: The other half map of helical reconstruction of...
ファイル | emd_4566_half_map_1.map | ||||||||||||
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注釈 | The other half map of helical reconstruction of heparin-induced 2N3R tau filaments | ||||||||||||
投影像・断面図 |
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密度ヒストグラム |
-ハーフマップ: Half map of helical reconstruction of heparin-induced 2N3R...
ファイル | emd_4566_half_map_2.map | ||||||||||||
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注釈 | Half map of helical reconstruction of heparin-induced 2N3R tau filaments | ||||||||||||
投影像・断面図 |
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密度ヒストグラム |
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試料の構成要素
-全体 : heparin-induced 2N3R tau filaments
全体 | 名称: heparin-induced 2N3R tau filaments |
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要素 |
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-超分子 #1: heparin-induced 2N3R tau filaments
超分子 | 名称: heparin-induced 2N3R tau filaments / タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: all 詳細: Recombinant 2N3R tau protein was induced into filaments by adding heparin |
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由来(天然) | 生物種: ![]() |
組換発現 | 生物種: ![]() ![]() |
分子量 | 理論値: 42.6 kDa/nm |
-分子 #1: Isoform Tau-C of Microtubule-associated protein tau
分子 | 名称: Isoform Tau-C of Microtubule-associated protein tau / タイプ: protein_or_peptide / ID: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MAEPRQEFEV MEDHAGTYGL GDRKDQGGYT MHQDQEGDTD AGLKESPLQT PTEDGSEEPG SETSDAKST PTAEDVTAPL VDEGAPGKQA AAQPHTEIPE GTTAEEAGIG DTPSLEDEAA G HVTQARMV SKSKDGTGSD DKKAKGADGK TKIATPRGAA PPGQKGQANA ...文字列: MAEPRQEFEV MEDHAGTYGL GDRKDQGGYT MHQDQEGDTD AGLKESPLQT PTEDGSEEPG SETSDAKST PTAEDVTAPL VDEGAPGKQA AAQPHTEIPE GTTAEEAGIG DTPSLEDEAA G HVTQARMV SKSKDGTGSD DKKAKGADGK TKIATPRGAA PPGQKGQANA TRIPAKTPPA PK TPPSSGE PPKSGDRSGY SSPGSPGTPG SRSRTPSLPT PPTREPKKVA VVRTPPKSPS SAK SRLQTA PVPMPDLKNV KSKIGSTENL KHQPGGGKVQ IVYKPVDLSK VTSKCGSLGN IHHK PGGGQ VEVKSEKLDF KDRVQSKIGS LDNITHVPGG GNKKIETHKL TFRENAKAKT DHGAE IVYK SPVVSGDTSP RHLSNVSSTG SIDMVDSPQL ATLADEVSAS LAKQGL |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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![]() | らせん対称体再構成法 |
試料の集合状態 | filament |
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試料調製
濃度 | 2.0 mg/mL | |||||||||
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緩衝液 | pH: 7.4 構成要素:
詳細: 20 mM Tris, pH 7.4, 100mM NaCl | |||||||||
グリッド | モデル: Quantifoil R1.2/1.3 / 材質: GOLD / メッシュ: 300 / 支持フィルム - 材質: CARBON / 支持フィルム - トポロジー: HOLEY / 支持フィルム - Film thickness: 10.0 nm / 前処理 - タイプ: GLOW DISCHARGE | |||||||||
凍結 | 凍結剤: ETHANE / チャンバー内湿度: 100 % / チャンバー内温度: 277 K / 装置: FEI VITROBOT MARK IV / 詳細: Blot force: -12 ; Blot time: 4s. | |||||||||
詳細 | Recombinant tau protein was induced into filaments by incubation with heparin at 37 degree celsius for 3 days |
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電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
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特殊光学系 | エネルギーフィルター - 名称: GIF Quantum LS / エネルギーフィルター - スリット幅: 20 eV |
撮影 | フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) 検出モード: COUNTING / デジタル化 - サイズ - 横: 3838 pixel / デジタル化 - サイズ - 縦: 3710 pixel / デジタル化 - サンプリング間隔: 5.0 µm / デジタル化 - 画像ごとのフレーム数: 1-44 / 撮影したグリッド数: 1 / 実像数: 2051 / 平均露光時間: 11.0 sec. / 平均電子線量: 1.134 e/Å2 詳細: Images were collected in movie-mode at 44 frames every 11 seconds |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | C2レンズ絞り径: 70.0 µm / 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / Cs: 2.7 mm / 最大 デフォーカス(公称値): 2.2 µm / 最小 デフォーカス(公称値): 0.8 µm |
試料ステージ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER ホルダー冷却材: NITROGEN |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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画像解析
-原子モデル構築 1
詳細 | A stack of three consecutive monomers was refined to preserve nearest-neighbour interactions for the middle chain. Side-chain clashes were detected using MOLPROBITY, and corrected by iterative cycles of real-space refinement in COOT and Fourier-space refinement in REFMAC and PHENIX. For each refined structure, separate model refinements were performed against a single half-map, and the resulting model was compared to the other half-map to confirm the absence of overfitting. |
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精密化 | 空間: RECIPROCAL / プロトコル: AB INITIO MODEL / 温度因子: 95.9 / 当てはまり具合の基準: Fourier shell correlation |
得られたモデル | ![]() PDB-6qjq: |