+データを開く
-基本情報
登録情報 | データベース: EMDB / ID: EMD-10305 | ||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
タイトル | cryo-em structure of alpha-synuclein fibril polymorph 2B | ||||||||||||||||||||||||||||||||||||||||||
マップデータ | cryo-em structure of alpha-synuclein fibril polymorph 2B | ||||||||||||||||||||||||||||||||||||||||||
試料 |
| ||||||||||||||||||||||||||||||||||||||||||
キーワード | amyloid / parkinson / PROTEIN FIBRIL | ||||||||||||||||||||||||||||||||||||||||||
機能・相同性 | 機能・相同性情報 regulation of phospholipase activity / negative regulation of monooxygenase activity / negative regulation of mitochondrial electron transport, NADH to ubiquinone / positive regulation of glutathione peroxidase activity / neutral lipid metabolic process / regulation of acyl-CoA biosynthetic process / negative regulation of dopamine uptake involved in synaptic transmission / negative regulation of norepinephrine uptake / positive regulation of SNARE complex assembly / positive regulation of hydrogen peroxide catabolic process ...regulation of phospholipase activity / negative regulation of monooxygenase activity / negative regulation of mitochondrial electron transport, NADH to ubiquinone / positive regulation of glutathione peroxidase activity / neutral lipid metabolic process / regulation of acyl-CoA biosynthetic process / negative regulation of dopamine uptake involved in synaptic transmission / negative regulation of norepinephrine uptake / positive regulation of SNARE complex assembly / positive regulation of hydrogen peroxide catabolic process / supramolecular fiber / negative regulation of transporter activity / mitochondrial membrane organization / negative regulation of chaperone-mediated autophagy / regulation of reactive oxygen species biosynthetic process / regulation of synaptic vesicle recycling / negative regulation of platelet-derived growth factor receptor signaling pathway / positive regulation of protein localization to cell periphery / negative regulation of exocytosis / regulation of glutamate secretion / response to iron(II) ion / regulation of norepinephrine uptake / SNARE complex assembly / positive regulation of neurotransmitter secretion / dopamine biosynthetic process / regulation of locomotion / positive regulation of inositol phosphate biosynthetic process / synaptic vesicle priming / regulation of macrophage activation / negative regulation of microtubule polymerization / synaptic vesicle transport / dynein complex binding / dopamine uptake involved in synaptic transmission / positive regulation of receptor recycling / regulation of dopamine secretion / protein kinase inhibitor activity / negative regulation of thrombin-activated receptor signaling pathway / response to type II interferon / cuprous ion binding / response to magnesium ion / positive regulation of exocytosis / synaptic vesicle exocytosis / positive regulation of endocytosis / kinesin binding / cysteine-type endopeptidase inhibitor activity involved in apoptotic process / mitochondrial ATP synthesis coupled electron transport / synaptic vesicle endocytosis / regulation of presynapse assembly / negative regulation of serotonin uptake / alpha-tubulin binding / phospholipid metabolic process / supramolecular fiber organization / axon terminus / inclusion body / cellular response to copper ion / cellular response to epinephrine stimulus / Hsp70 protein binding / response to interleukin-1 / : / adult locomotory behavior / positive regulation of release of sequestered calcium ion into cytosol / SNARE binding / excitatory postsynaptic potential / fatty acid metabolic process / long-term synaptic potentiation / phosphoprotein binding / protein tetramerization / regulation of transmembrane transporter activity / protein destabilization / negative regulation of protein kinase activity / microglial cell activation / synapse organization / regulation of long-term neuronal synaptic plasticity / ferrous iron binding / positive regulation of protein serine/threonine kinase activity / tau protein binding / PKR-mediated signaling / receptor internalization / : / phospholipid binding / synaptic vesicle membrane / positive regulation of inflammatory response / actin cytoskeleton / positive regulation of peptidyl-serine phosphorylation / actin binding / cell cortex / cellular response to oxidative stress / histone binding / growth cone / chemical synaptic transmission / neuron apoptotic process / negative regulation of neuron apoptotic process / postsynapse / response to lipopolysaccharide / amyloid fibril formation / molecular adaptor activity / lysosome / transcription cis-regulatory region binding / oxidoreductase activity / positive regulation of apoptotic process 類似検索 - 分子機能 | ||||||||||||||||||||||||||||||||||||||||||
生物種 | Homo sapiens (ヒト) | ||||||||||||||||||||||||||||||||||||||||||
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: 3.4 Å | ||||||||||||||||||||||||||||||||||||||||||
データ登録者 | Guerrero-Ferreira R / Taylor NMI | ||||||||||||||||||||||||||||||||||||||||||
資金援助 | スイス, フランス, デンマーク, French Guiana, 13件
| ||||||||||||||||||||||||||||||||||||||||||
引用 | ジャーナル: Elife / 年: 2019 タイトル: Two new polymorphic structures of human full-length alpha-synuclein fibrils solved by cryo-electron microscopy. 著者: Ricardo Guerrero-Ferreira / Nicholas Mi Taylor / Ana-Andreea Arteni / Pratibha Kumari / Daniel Mona / Philippe Ringler / Markus Britschgi / Matthias E Lauer / Ali Makky / Joeri Verasdonck / ...著者: Ricardo Guerrero-Ferreira / Nicholas Mi Taylor / Ana-Andreea Arteni / Pratibha Kumari / Daniel Mona / Philippe Ringler / Markus Britschgi / Matthias E Lauer / Ali Makky / Joeri Verasdonck / Roland Riek / Ronald Melki / Beat H Meier / Anja Böckmann / Luc Bousset / Henning Stahlberg / 要旨: Intracellular inclusions rich in alpha-synuclein are a hallmark of several neuropathological diseases including Parkinson's disease (PD). Previously, we reported the structure of alpha-synuclein ...Intracellular inclusions rich in alpha-synuclein are a hallmark of several neuropathological diseases including Parkinson's disease (PD). Previously, we reported the structure of alpha-synuclein fibrils (residues 1-121), composed of two protofibrils that are connected via a densely-packed interface formed by residues 50-57 (Guerrero-Ferreira, eLife 218;7:e36402). We here report two new polymorphic atomic structures of alpha-synuclein fibrils termed polymorphs 2a and 2b, at 3.0 Å and 3.4 Å resolution, respectively. These polymorphs show a radically different structure compared to previously reported polymorphs. The new structures have a 10 nm fibril diameter and are composed of two protofilaments which interact via intermolecular salt-bridges between amino acids K45, E57 (polymorph 2a) or E46 (polymorph 2b). The non-amyloid component (NAC) region of alpha-synuclein is fully buried by previously non-described interactions with the N-terminus. A hydrophobic cleft, the location of familial PD mutation sites, and the nature of the protofilament interface now invite to formulate hypotheses about fibril formation, growth and stability. | ||||||||||||||||||||||||||||||||||||||||||
履歴 |
|
-構造の表示
ムービー |
ムービービューア |
---|---|
構造ビューア | EMマップ: SurfViewMolmilJmol/JSmol |
添付画像 |
-ダウンロードとリンク
-EMDBアーカイブ
マップデータ | emd_10305.map.gz | 7 MB | EMDBマップデータ形式 | |
---|---|---|---|---|
ヘッダ (付随情報) | emd-10305-v30.xml emd-10305.xml | 14 KB 14 KB | 表示 表示 | EMDBヘッダ |
画像 | emd_10305.png | 169.4 KB | ||
Filedesc metadata | emd-10305.cif.gz | 5.7 KB | ||
アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-10305 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-10305 | HTTPS FTP |
-検証レポート
文書・要旨 | emd_10305_validation.pdf.gz | 376.4 KB | 表示 | EMDB検証レポート |
---|---|---|---|---|
文書・詳細版 | emd_10305_full_validation.pdf.gz | 376 KB | 表示 | |
XML形式データ | emd_10305_validation.xml.gz | 6.3 KB | 表示 | |
CIF形式データ | emd_10305_validation.cif.gz | 7.1 KB | 表示 | |
アーカイブディレクトリ | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-10305 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-10305 | HTTPS FTP |
-関連構造データ
関連構造データ | 6sstMC 4994C 4996C 6rt0C 6rtbC 6ssxC 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 (文献) |
---|---|
類似構造データ | |
電子顕微鏡画像生データ | EMPIAR-10323 (タイトル: Two new polymorphic structures of human full-length alpha-synuclein fibrils solved by cryo-electron microscopy Data size: 90.9 Data #1: Aligned micrographs of alpha-synuclein fibrils [micrographs - single frame]) |
-リンク
EMDBのページ | EMDB (EBI/PDBe) / EMDataResource |
---|---|
「今月の分子」の関連する項目 |
-マップ
ファイル | ダウンロード / ファイル: emd_10305.map.gz / 形式: CCP4 / 大きさ: 83.7 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
注釈 | cryo-em structure of alpha-synuclein fibril polymorph 2B | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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: 0.629 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
密度 |
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
CCP4マップ ヘッダ情報:
|
-添付データ
-試料の構成要素
-全体 : alpha synuclein fibril, polymorph 2B
全体 | 名称: alpha synuclein fibril, polymorph 2B |
---|---|
要素 |
|
-超分子 #1: alpha synuclein fibril, polymorph 2B
超分子 | 名称: alpha synuclein fibril, polymorph 2B / タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: all |
---|---|
由来(天然) | 生物種: Homo sapiens (ヒト) |
分子量 | 理論値: 51 kDa/nm |
-分子 #1: Alpha-synuclein
分子 | 名称: Alpha-synuclein / タイプ: protein_or_peptide / ID: 1 / コピー数: 10 / 光学異性体: LEVO |
---|---|
由来(天然) | 生物種: Homo sapiens (ヒト) |
分子量 | 理論値: 14.476108 KDa |
組換発現 | 生物種: Escherichia coli BL21(DE3) (大腸菌) |
配列 | 文字列: MDVFMKGLSK AKEGVVAAAE KTKQGVAEAA GKTKEGVLYV GSKTKEGVVH GVATVAEKTK EQVTNVGGAV VTGVTAVAQK TVEGAGSIA AATGFVKKDQ LGKNEEGAPQ EGILEDMPVD PDNEAYEMPS EEGYQDYEPE A UniProtKB: Alpha-synuclein |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
---|---|
解析 | らせん対称体再構成法 |
試料の集合状態 | filament |
-試料調製
濃度 | 10 mg/mL | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
緩衝液 | pH: 7.5 / 構成要素:
| |||||||||
凍結 | 凍結剤: ETHANE / チャンバー内湿度: 80 % / チャンバー内温度: 293 K / 装置: FEI VITROBOT MARK II 詳細: 3 uL aliquots were applied onto second glow-discharged 300 mesh copper Quantifoil grids R2 1. | |||||||||
詳細 | WT alpha synuclein |
-電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
---|---|
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 / 平均電子線量: 69.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: FIELD EMISSION GUN |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD |
実験機器 | モデル: Titan Krios / 画像提供: FEI Company |
-画像解析
最終 再構成 | 想定した対称性 - らせんパラメータ - Δz: 4.8 Å 想定した対称性 - らせんパラメータ - ΔΦ: -0.73 ° 想定した対称性 - らせんパラメータ - 軸対称性: C2 (2回回転対称) 解像度のタイプ: BY AUTHOR / 解像度: 3.4 Å / 解像度の算出法: FSC 0.143 CUT-OFF / ソフトウェア - 名称: Coot / 使用した粒子像数: 100323 |
---|---|
初期モデル | モデルのタイプ: OTHER / 詳細: tube volume |
最終 角度割当 | タイプ: NOT APPLICABLE / ソフトウェア - 名称: RELION (ver. 2.1) |
-原子モデル構築 1
精密化 | プロトコル: AB INITIO MODEL |
---|---|
得られたモデル | PDB-6sst: |