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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: 4rik | ||||||
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タイトル | Amyloid forming segment, AVVTGVTAV, from the NAC domain of Parkinson's disease protein alpha-synuclein, residues 69-77 | ||||||
![]() | Alpha-synuclein | ||||||
![]() | LIPID BINDING PROTEIN / Amyloid / alpha-synuclein / Parkinson's Disease / Toxic Core / NAC | ||||||
機能・相同性 | ![]() negative regulation of mitochondrial electron transport, NADH to ubiquinone / : / 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 / mitochondrial membrane organization ...negative regulation of mitochondrial electron transport, NADH to ubiquinone / : / 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 / mitochondrial membrane organization / negative regulation of chaperone-mediated autophagy / regulation of synaptic vesicle recycling / regulation of reactive oxygen species biosynthetic process / 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 / SNARE complex assembly / positive regulation of neurotransmitter secretion / dopamine biosynthetic process / regulation of norepinephrine uptake / transporter regulator activity / regulation of locomotion / synaptic vesicle priming / mitochondrial ATP synthesis coupled electron transport / regulation of macrophage activation / positive regulation of inositol phosphate biosynthetic process / negative regulation of microtubule polymerization / synaptic vesicle transport / positive regulation of receptor recycling / dopamine uptake involved in synaptic transmission / protein kinase inhibitor activity / dynein complex binding / regulation of dopamine secretion / negative regulation of thrombin-activated receptor signaling pathway / cuprous ion binding / positive regulation of endocytosis / positive regulation of exocytosis / response to magnesium ion / synaptic vesicle exocytosis / enzyme inhibitor activity / kinesin binding / synaptic vesicle endocytosis / regulation of presynapse assembly / response to type II interferon / cysteine-type endopeptidase inhibitor activity / negative regulation of serotonin uptake / alpha-tubulin binding / supramolecular fiber organization / inclusion body / phospholipid metabolic process / cellular response to copper ion / axon terminus / cellular response to epinephrine stimulus / Hsp70 protein binding / response to interleukin-1 / regulation of microtubule cytoskeleton organization / SNARE binding / positive regulation of release of sequestered calcium ion into cytosol / adult locomotory behavior / negative regulation of protein kinase activity / excitatory postsynaptic potential / fatty acid metabolic process / phosphoprotein binding / protein tetramerization / microglial cell activation / regulation of long-term neuronal synaptic plasticity / synapse organization / ferrous iron binding / protein destabilization / PKR-mediated signaling / phospholipid binding / receptor internalization / tau protein binding / long-term synaptic potentiation / synaptic vesicle membrane / positive regulation of inflammatory response / actin cytoskeleton / actin binding / growth cone / cell cortex / cellular response to oxidative stress / neuron apoptotic process / chemical synaptic transmission / molecular adaptor activity / negative regulation of neuron apoptotic process / response to lipopolysaccharide / histone binding / amyloid fibril formation / lysosome / oxidoreductase activity / postsynapse / transcription cis-regulatory region binding / positive regulation of apoptotic process / Amyloid fiber formation / copper ion binding / response to xenobiotic stimulus / axon / neuronal cell body 類似検索 - 分子機能 | ||||||
生物種 | ![]() | ||||||
手法 | ![]() ![]() ![]() | ||||||
![]() | Guenther, E.L. / Sawaya, M.R. / Ivanova, M. / Eisenberg, D.S. | ||||||
![]() | ![]() タイトル: Structure of the toxic core of α-synuclein from invisible crystals. 著者: Jose A Rodriguez / Magdalena I Ivanova / Michael R Sawaya / Duilio Cascio / Francis E Reyes / Dan Shi / Smriti Sangwan / Elizabeth L Guenther / Lisa M Johnson / Meng Zhang / Lin Jiang / Mark ...著者: Jose A Rodriguez / Magdalena I Ivanova / Michael R Sawaya / Duilio Cascio / Francis E Reyes / Dan Shi / Smriti Sangwan / Elizabeth L Guenther / Lisa M Johnson / Meng Zhang / Lin Jiang / Mark A Arbing / Brent L Nannenga / Johan Hattne / Julian Whitelegge / Aaron S Brewster / Marc Messerschmidt / Sébastien Boutet / Nicholas K Sauter / Tamir Gonen / David S Eisenberg / ![]() 要旨: The protein α-synuclein is the main component of Lewy bodies, the neuron-associated aggregates seen in Parkinson disease and other neurodegenerative pathologies. An 11-residue segment, which we term ...The protein α-synuclein is the main component of Lewy bodies, the neuron-associated aggregates seen in Parkinson disease and other neurodegenerative pathologies. An 11-residue segment, which we term NACore, appears to be responsible for amyloid formation and cytotoxicity of human α-synuclein. Here we describe crystals of NACore that have dimensions smaller than the wavelength of visible light and thus are invisible by optical microscopy. As the crystals are thousands of times too small for structure determination by synchrotron X-ray diffraction, we use micro-electron diffraction to determine the structure at atomic resolution. The 1.4 Å resolution structure demonstrates that this method can determine previously unknown protein structures and here yields, to our knowledge, the highest resolution achieved by any cryo-electron microscopy method to date. The structure exhibits protofibrils built of pairs of face-to-face β-sheets. X-ray fibre diffraction patterns show the similarity of NACore to toxic fibrils of full-length α-synuclein. The NACore structure, together with that of a second segment, inspires a model for most of the ordered portion of the toxic, full-length α-synuclein fibril, presenting opportunities for the design of inhibitors of α-synuclein fibrils. | ||||||
履歴 |
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 9 KB | 表示 | ![]() |
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PDB形式 | ![]() | 5.5 KB | 表示 | ![]() |
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その他 | ![]() |
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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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単位格子 |
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詳細 | The biological unit is a pair of beta-sheets. One sheet is composed of chain A and unit cell translations along the b dimension (for example, x,y+1,z, etc.). The other sheet is composed of the symmetry mate -x+1/2,y+1/2,-z+1, and its unit cell translations along b (for example, -x+1/2,y+3/2,-z+1, etc.). |
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要素
#1: タンパク質・ペプチド | 分子量: 815.953 Da / 分子数: 1 / 由来タイプ: 合成 詳細: Synthetic peptide AVVTGVTAV corresponding to segment 69-77 of human alpha-synuclein 由来: (合成) ![]() |
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#2: 水 | ChemComp-HOH / |
-実験情報
-実験
実験 | 手法: ![]() |
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試料調製
結晶 | マシュー密度: 1.52 Å3/Da / 溶媒含有率: 19.22 % |
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結晶化 | 温度: 273 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 4.6 詳細: 0.9M Ammonium Phosphate, 0.1M Sodium Acetate, pH 4.6, vapor diffusion, hanging drop, temperature 273K |
-データ収集
回折 | 平均測定温度: 100 K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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放射光源 | 由来: ![]() ![]() ![]() | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
検出器 | タイプ: ADSC QUANTUM 315 / 検出器: CCD / 日付: 2011年8月23日 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
放射 | プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
放射波長 | 波長: 0.9791 Å / 相対比: 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
反射 | 解像度: 1.85→100 Å / Num. all: 521 / Num. obs: 521 / % possible obs: 97.7 % / Observed criterion σ(I): -3 / 冗長度: 4.1 % / Rmerge(I) obs: 0.117 / Χ2: 0.961 / Net I/σ(I): 11.1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
反射 シェル |
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-位相決定
位相決定 | 手法: ![]() |
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Phasing MR | Model details: Phaser MODE: MR_AUTO |
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解析
ソフトウェア |
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精密化 | 構造決定の手法: ![]() 開始モデル: poly alanine 解像度: 1.854→30 Å / Cor.coef. Fo:Fc: 0.978 / Cor.coef. Fo:Fc free: 0.961 / WRfactor Rfree: 0.236 / WRfactor Rwork: 0.19 / FOM work R set: 0.73 / SU B: 4.061 / SU ML: 0.112 / SU R Cruickshank DPI: 0.1735 / SU Rfree: 0.1526 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.173 / ESU R Free: 0.153 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
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溶媒の処理 | イオンプローブ半径: 0.8 Å / 減衰半径: 0.8 Å / VDWプローブ半径: 1.2 Å / 溶媒モデル: MASK | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
原子変位パラメータ | Biso max: 53.1 Å2 / Biso mean: 17.341 Å2 / Biso min: 6.25 Å2
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精密化ステップ | サイクル: LAST / 解像度: 1.854→30 Å
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LS精密化 シェル | 解像度: 1.854→2.072 Å / Total num. of bins used: 5
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