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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: 6xov | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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タイトル | CryoEM structure of human presequence protease in partial closed state 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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![]() | HYDROLASE / Partial open state | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
機能・相同性 | ![]() Mitochondrial protein import / amyloid-beta complex / growth cone lamellipodium / cellular response to norepinephrine stimulus / growth cone filopodium / microglia development / collateral sprouting in absence of injury / 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; その他のペプチターゼ / Formyl peptide receptors bind formyl peptides and many other ligands / regulation of synapse structure or activity ...Mitochondrial protein import / amyloid-beta complex / growth cone lamellipodium / cellular response to norepinephrine stimulus / growth cone filopodium / microglia development / collateral sprouting in absence of injury / 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; その他のペプチターゼ / Formyl peptide receptors bind formyl peptides and many other ligands / regulation of synapse structure or activity / axo-dendritic transport / regulation of Wnt signaling pathway / axon midline choice point recognition / astrocyte activation involved in immune response / NMDA selective glutamate receptor signaling pathway / regulation of spontaneous synaptic transmission / mating behavior / protein targeting to mitochondrion / growth factor receptor binding / peptidase activator activity / Golgi-associated vesicle / PTB domain binding / Lysosome Vesicle Biogenesis / positive regulation of amyloid fibril formation / Insertion of tail-anchored proteins into the endoplasmic reticulum membrane / astrocyte projection / neuron remodeling / Deregulated CDK5 triggers multiple neurodegenerative pathways in Alzheimer's disease models / nuclear envelope lumen / positive regulation of protein metabolic process / dendrite development / TRAF6 mediated NF-kB activation / modulation of excitatory postsynaptic potential / signaling receptor activator activity / Advanced glycosylation endproduct receptor signaling / The NLRP3 inflammasome / negative regulation of long-term synaptic potentiation / main axon / transition metal ion binding / regulation of multicellular organism growth / intracellular copper ion homeostasis / regulation of presynapse assembly / ECM proteoglycans / positive regulation of T cell migration / neuronal dense core vesicle / Purinergic signaling in leishmaniasis infection / positive regulation of chemokine production / cellular response to manganese ion / clathrin-coated pit / Notch signaling pathway / extracellular matrix organization / neuron projection maintenance / Mitochondrial protein degradation / astrocyte activation / ionotropic glutamate receptor signaling pathway / axonogenesis / response to interleukin-1 / positive regulation of mitotic cell cycle / positive regulation of calcium-mediated signaling / protein serine/threonine kinase binding / cellular response to copper ion / platelet alpha granule lumen / cellular response to cAMP / positive regulation of glycolytic process / adult locomotory behavior / central nervous system development / positive regulation of long-term synaptic potentiation / positive regulation of interleukin-1 beta production / trans-Golgi network membrane / endosome lumen / dendritic shaft / TAK1-dependent IKK and NF-kappa-B activation / learning / positive regulation of JNK cascade / Post-translational protein phosphorylation / locomotory behavior / enzyme activator activity / microglial cell activation / serine-type endopeptidase inhibitor activity / regulation of long-term neuronal synaptic plasticity / positive regulation of non-canonical NF-kappaB signal transduction / synapse organization / cellular response to nerve growth factor stimulus / visual learning / recycling endosome / metalloendopeptidase activity / protein processing / response to lead ion / positive regulation of interleukin-6 production / Golgi lumen / cognition / endocytosis / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / positive regulation of inflammatory response / cellular response to amyloid-beta / metallopeptidase activity / neuron projection development / positive regulation of tumor necrosis factor production / Platelet degranulation / heparin binding 類似検索 - 分子機能 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
生物種 | ![]() | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.3 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
![]() | Liang, W.G. / Zhao, M. / Tang, W. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structural basis for the mechanisms of human presequence protease conformational switch and substrate recognition. 著者: Wenguang G Liang / Juwina Wijaya / Hui Wei / Alex J Noble / Jordan M Mancl / Swansea Mo / David Lee / John V Lin King / Man Pan / Chang Liu / Carla M Koehler / Minglei Zhao / Clinton S Potter ...著者: Wenguang G Liang / Juwina Wijaya / Hui Wei / Alex J Noble / Jordan M Mancl / Swansea Mo / David Lee / John V Lin King / Man Pan / Chang Liu / Carla M Koehler / Minglei Zhao / Clinton S Potter / Bridget Carragher / Sheng Li / Wei-Jen Tang / ![]() 要旨: Presequence protease (PreP), a 117 kDa mitochondrial M16C metalloprotease vital for mitochondrial proteostasis, degrades presequence peptides cleaved off from nuclear-encoded proteins and other ...Presequence protease (PreP), a 117 kDa mitochondrial M16C metalloprotease vital for mitochondrial proteostasis, degrades presequence peptides cleaved off from nuclear-encoded proteins and other aggregation-prone peptides, such as amyloid β (Aβ). PreP structures have only been determined in a closed conformation; thus, the mechanisms of substrate binding and selectivity remain elusive. Here, we leverage advanced vitrification techniques to overcome the preferential denaturation of one of two ~55 kDa homologous domains of PreP caused by air-water interface adsorption. Thereby, we elucidate cryoEM structures of three apo-PreP open states along with Aβ- and citrate synthase presequence-bound PreP at 3.3-4.6 Å resolution. Together with integrative biophysical and pharmacological approaches, these structures reveal the key stages of the PreP catalytic cycle and how the binding of substrates or PreP inhibitor drives a rigid body motion of the protein for substrate binding and catalysis. Together, our studies provide key mechanistic insights into M16C metalloproteases for future therapeutic innovations. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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 | 分子: ![]() ![]() |
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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 | ![]() | 187.4 KB | 表示 | ![]() |
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PDB形式 | ![]() | 141.9 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 1.3 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 1.3 MB | 表示 | |
XML形式データ | ![]() | 42.6 KB | 表示 | |
CIF形式データ | ![]() | 63.3 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 | ![]() 22281MC ![]() 6xosC ![]() 6xotC ![]() 6xouC 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 ( |
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類似構造データ | |
電子顕微鏡画像生データ | ![]() Data #3: Citrate synthase presequence bound PreP [micrographs - multiframe] Data #4: Amyloid beta bound PreP [micrographs - multiframe]) |
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リンク
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集合体
登録構造単位 | ![]()
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要素
#1: タンパク質 | 分子量: 114901.461 Da / 分子数: 1 / 断片: UNP residues 33-1037 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() ![]() 参照: UniProt: Q5JRX3, 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; その他のペプチターゼ |
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#2: タンパク質・ペプチド | 分子量: 4335.852 Da / 分子数: 1 / 断片: UNP residues 653-692 / 由来タイプ: 合成 / 由来: (合成) ![]() |
#3: タンパク質・ペプチド | 分子量: 273.330 Da / 分子数: 1 / 断片: unidentified fragment / 由来タイプ: 合成 / 由来: (合成) ![]() |
Has protein modification | N |
-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: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
構成要素 | 名称: CryoEM map of Human Presequence Protease in partial close state 1 タイプ: COMPLEX / Entity ID: all / 由来: RECOMBINANT |
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由来(天然) | 生物種: ![]() |
由来(組換発現) | 生物種: ![]() ![]() |
緩衝液 | pH: 7.7 詳細: 20 mM Tris, pH 7.7, 150 mM NaCl, 10mM KCl, 20 mM EDTA and 1 mM 2-mercaptoethanol |
試料 | 濃度: 2 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
試料支持 | 詳細: unspecified |
急速凍結 | 装置: SPOTITON / 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 308 K |
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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: ![]() |
電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2000 nm / 最小 デフォーカス(公称値): 1200 nm / Cs: 2.7 mm / C2レンズ絞り径: 70 µm |
撮影 | 平均露光時間: 6 sec. / 電子線照射量: 66 e/Å2 フィルム・検出器のモデル: GATAN K2 SUMMIT (4k x 4k) |
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解析
ソフトウェア | 名称: PHENIX / バージョン: 1.18.2_3874: / 分類: 精密化 | ||||||||||||||||||||||||
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EMソフトウェア |
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CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
3次元再構成 | 解像度: 3.3 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 174537 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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