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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: 8k8e | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| タイトル | Human gamma-secretase in complex with a substrate mimetic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
要素 |
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キーワード | MEMBRANE PROTEIN / Complex / protease / substrate mimetic | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報Cajal-Retzius cell differentiation / positive regulation of L-glutamate import across plasma membrane / amyloid precursor protein biosynthetic process / negative regulation of core promoter binding / positive regulation of endopeptidase activity / gamma-secretase complex / short-term synaptic potentiation / aspartic endopeptidase activity, intramembrane cleaving / positive regulation of amyloid precursor protein biosynthetic process / smooth endoplasmic reticulum calcium ion homeostasis ...Cajal-Retzius cell differentiation / positive regulation of L-glutamate import across plasma membrane / amyloid precursor protein biosynthetic process / negative regulation of core promoter binding / positive regulation of endopeptidase activity / gamma-secretase complex / short-term synaptic potentiation / aspartic endopeptidase activity, intramembrane cleaving / positive regulation of amyloid precursor protein biosynthetic process / smooth endoplasmic reticulum calcium ion homeostasis / Noncanonical activation of NOTCH3 / protein catabolic process at postsynapse / TGFBR3 PTM regulation / sequestering of calcium ion / Notch receptor processing / synaptic vesicle targeting / positive regulation of coagulation / central nervous system myelination / negative regulation of axonogenesis / membrane protein intracellular domain proteolysis / skin morphogenesis / choline transport / T cell activation involved in immune response / NOTCH4 Activation and Transmission of Signal to the Nucleus / dorsal/ventral neural tube patterning / ciliary rootlet / neural retina development / regulation of resting membrane potential / L-glutamate import across plasma membrane / Regulated proteolysis of p75NTR / myeloid dendritic cell differentiation / regulation of phosphorylation / metanephros development / endoplasmic reticulum calcium ion homeostasis / brain morphogenesis / amyloid precursor protein metabolic process / locomotion / regulation of synaptic vesicle cycle / regulation of long-term synaptic potentiation / regulation of postsynapse organization / astrocyte activation involved in immune response / embryonic limb morphogenesis / cell fate specification / regulation of canonical Wnt signaling pathway / myeloid cell homeostasis / aggresome / growth factor receptor binding / skeletal system morphogenesis / 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; アスパラギン酸プロテアーゼ / Golgi cisterna membrane / glutamate receptor signaling pathway / azurophil granule membrane / positive regulation of amyloid fibril formation / G protein-coupled dopamine receptor signaling pathway / : / blood vessel development / amyloid-beta formation / mitochondrial transport / amyloid precursor protein catabolic process / heart looping / regulation of neuron projection development / positive regulation of dendritic spine development / adult behavior / cerebral cortex cell migration / smooth endoplasmic reticulum / positive regulation of receptor recycling / membrane protein ectodomain proteolysis / nuclear outer membrane / negative regulation of apoptotic signaling pathway / EPH-ephrin mediated repulsion of cells / autophagosome assembly / negative regulation of ubiquitin-dependent protein catabolic process / neuron development / endopeptidase activator activity / somitogenesis / hematopoietic progenitor cell differentiation / T cell proliferation / regulation of synaptic transmission, glutamatergic / Nuclear signaling by ERBB4 / calcium ion homeostasis / rough endoplasmic reticulum / Degradation of the extracellular matrix / Notch signaling pathway / neuron projection maintenance / astrocyte activation / NOTCH2 Activation and Transmission of Signal to the Nucleus / cellular response to calcium ion / NRIF signals cell death from the nucleus / Activated NOTCH1 Transmits Signal to the Nucleus / thymus development / cerebellum development / positive regulation of glycolytic process / dendritic shaft / epithelial cell proliferation / post-embryonic development / PDZ domain binding / NOTCH3 Activation and Transmission of Signal to the Nucleus / neuromuscular junction / apoptotic signaling pathway / cell-cell adhesion 類似検索 - 分子機能 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 生物種 | Homo sapiens (ヒト)synthetic construct (人工物) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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: 2.6 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
データ登録者 | Shi, Y.G. / Zhou, R. / Wolfe, M.S. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 資金援助 | 中国, 1件
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引用 | ジャーナル: Cell Rep / 年: 2024タイトル: Familial Alzheimer mutations stabilize synaptotoxic γ-secretase-substrate complexes. 著者: Sujan Devkota / Rui Zhou / Vaishnavi Nagarajan / Masato Maesako / Hung Do / Arshad Noorani / Caitlin Overmeyer / Sanjay Bhattarai / Justin T Douglas / Anita Saraf / Yinglong Miao / Brian D ...著者: Sujan Devkota / Rui Zhou / Vaishnavi Nagarajan / Masato Maesako / Hung Do / Arshad Noorani / Caitlin Overmeyer / Sanjay Bhattarai / Justin T Douglas / Anita Saraf / Yinglong Miao / Brian D Ackley / Yigong Shi / Michael S Wolfe / ![]() 要旨: Mutations that cause familial Alzheimer's disease (FAD) are found in amyloid precursor protein (APP) and presenilin, the catalytic component of γ-secretase, that together produce amyloid β-peptide ...Mutations that cause familial Alzheimer's disease (FAD) are found in amyloid precursor protein (APP) and presenilin, the catalytic component of γ-secretase, that together produce amyloid β-peptide (Aβ). Nevertheless, whether Aβ is the primary disease driver remains controversial. We report here that FAD mutations disrupt initial proteolytic events in the multistep processing of APP substrate C99 by γ-secretase. Cryoelectron microscopy reveals that a substrate mimetic traps γ-secretase during the transition state, and this structure aligns with activated enzyme-substrate complex captured by molecular dynamics simulations. In silico simulations and in cellulo fluorescence microscopy support stabilization of enzyme-substrate complexes by FAD mutations. Neuronal expression of C99 and/or presenilin-1 in Caenorhabditis elegans leads to synaptic loss only with FAD-mutant transgenes. Designed mutations that stabilize the enzyme-substrate complex and block Aβ production likewise led to synaptic loss. Collectively, these findings implicate the stalled process-not the products-of γ-secretase cleavage of substrates in FAD pathogenesis. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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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 | 8k8e.cif.gz | 285.7 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb8k8e.ent.gz | 221.7 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 8k8e.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 | 8k8e_validation.pdf.gz | 1.4 MB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 8k8e_full_validation.pdf.gz | 1.4 MB | 表示 | |
| XML形式データ | 8k8e_validation.xml.gz | 52.7 KB | 表示 | |
| CIF形式データ | 8k8e_validation.cif.gz | 79.9 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/k8/8k8e ftp://data.pdbj.org/pub/pdb/validation_reports/k8/8k8e | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 36948MC 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 | 類似検索 - 機能・相同性 F&H 検索 |
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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
-タンパク質 , 2種, 2分子 AB
| #1: タンパク質 | 分子量: 78483.570 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: NCSTN, KIAA0253, UNQ1874/PRO4317 / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: Q92542 |
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| #2: タンパク質 | 分子量: 52713.535 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSEN1, AD3, PS1, PSNL1 / 発現宿主: Homo sapiens (ヒト)参照: UniProt: P49768, 加水分解酵素; プロテアーゼ; ペプチド結合加水分解酵素; アスパラギン酸プロテアーゼ |
-Gamma-secretase subunit ... , 2種, 2分子 CD
| #3: タンパク質 | 分子量: 29017.943 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: APH1A, PSF, CGI-78, UNQ579/PRO1141 / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: Q96BI3 |
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| #4: タンパク質 | 分子量: 12038.029 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: PSENEN, PEN2, MDS033 / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: Q9NZ42 |
-タンパク質・ペプチド , 1種, 1分子 H
| #5: タンパク質・ペプチド | 分子量: 1864.298 Da / 分子数: 1 / 由来タイプ: 合成 / 由来: (合成) synthetic construct (人工物) |
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-糖 , 3種, 8分子 
| #6: 多糖 | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose |
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| #7: 多糖 | beta-D-mannopyranose-(1-3)-[beta-D-mannopyranose-(1-6)]beta-D-mannopyranose タイプ: oligosaccharide / 分子量: 504.438 Da / 分子数: 1 / 由来タイプ: 組換発現 |
| #8: 糖 | ChemComp-NAG / |
-非ポリマー , 2種, 4分子 


| #9: 化合物 | ChemComp-PC1 / |
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| #10: 化合物 |
-詳細
| 研究の焦点であるリガンドがあるか | Y |
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| Has protein modification | Y |
-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: Human gamma-secretase / タイプ: COMPLEX / Entity ID: #1-#4 / 由来: MULTIPLE SOURCES |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 由来(組換発現) | 生物種: Homo sapiens (ヒト) |
| 緩衝液 | pH: 7.4 |
| 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 |
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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: 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): 1800 nm / 最小 デフォーカス(公称値): 1500 nm |
| 撮影 | 電子線照射量: 50 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
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解析
| EMソフトウェア | 名称: PHENIX / カテゴリ: モデル精密化 | ||||||||||||||||||||||||
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| CTF補正 | タイプ: NONE | ||||||||||||||||||||||||
| 3次元再構成 | 解像度: 2.6 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 349532 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
| 拘束条件 |
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ムービー
コントローラー
万見について




Homo sapiens (ヒト)
中国, 1件
引用

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FIELD EMISSION GUN