+
データを開く
-
基本情報
| 登録情報 | データベース: PDB / ID: 9e3o | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| タイトル | Cryo-EM structure of the human P2X7 receptor in the UB-ALT-P30-bound inhibited state | |||||||||
要素 | P2X purinoceptor 7 | |||||||||
キーワード | MEMBRANE PROTEIN / Ion Channel / Ligand-Gated Ion Channel / P2X Receptor / P2XR / Allosteric Antagonist / Agonist | |||||||||
| 機能・相同性 | 機能・相同性情報positive regulation of bleb assembly / NAD transport / Platelet homeostasis / phagolysosome assembly / positive regulation of cytoskeleton organization / phospholipid transfer to membrane / positive regulation of monoatomic ion transmembrane transport / purinergic nucleotide receptor signaling pathway / gamma-aminobutyric acid secretion / extracellularly ATP-gated monoatomic cation channel activity ...positive regulation of bleb assembly / NAD transport / Platelet homeostasis / phagolysosome assembly / positive regulation of cytoskeleton organization / phospholipid transfer to membrane / positive regulation of monoatomic ion transmembrane transport / purinergic nucleotide receptor signaling pathway / gamma-aminobutyric acid secretion / extracellularly ATP-gated monoatomic cation channel activity / pore complex assembly / positive regulation of interleukin-1 alpha production / purinergic nucleotide receptor activity / positive regulation of gamma-aminobutyric acid secretion / bleb / Elevation of cytosolic Ca2+ levels / plasma membrane phospholipid scrambling / negative regulation of cell volume / collagen metabolic process / positive regulation of prostaglandin secretion / T cell apoptotic process / bleb assembly / response to fluid shear stress / mitochondrial depolarization / vesicle budding from membrane / ceramide biosynthetic process / positive regulation of T cell apoptotic process / prostaglandin secretion / cellular response to dsRNA / glutamate secretion / positive regulation of glutamate secretion / negative regulation of bone resorption / positive regulation of macrophage cytokine production / skeletal system morphogenesis / Mechanical load activates signaling by PIEZO1 and integrins in osteocytes / response to zinc ion / response to ATP / positive regulation of mitochondrial depolarization / positive regulation of NLRP3 inflammasome complex assembly / sodium channel activity / cellular response to ATP / protein homotrimerization / T cell homeostasis / monoatomic ion channel activity / membrane protein ectodomain proteolysis / positive regulation of calcium ion transport into cytosol / The NLRP3 inflammasome / protein secretion / response to electrical stimulus / synaptic vesicle exocytosis / membrane depolarization / potassium channel activity / positive regulation of bone mineralization / response to mechanical stimulus / T cell proliferation / Purinergic signaling in leishmaniasis infection / regulation of sodium ion transport / negative regulation of MAPK cascade / extrinsic apoptotic signaling pathway / release of sequestered calcium ion into cytosol / sensory perception of pain / homeostasis of number of cells within a tissue / reactive oxygen species metabolic process / positive regulation of glycolytic process / response to ischemia / positive regulation of interleukin-1 beta production / positive regulation of protein secretion / mitochondrion organization / neuromuscular junction / apoptotic signaling pathway / lipopolysaccharide binding / protein catabolic process / calcium-mediated signaling / T cell mediated cytotoxicity / response to calcium ion / protein processing / calcium ion transmembrane transport / positive regulation of interleukin-6 production / positive regulation of T cell mediated cytotoxicity / cell morphogenesis / cell-cell junction / presynapse / MAPK cascade / response to lipopolysaccharide / cell surface receptor signaling pathway / postsynapse / positive regulation of MAPK cascade / defense response to Gram-positive bacterium / response to xenobiotic stimulus / inflammatory response / signaling receptor binding / external side of plasma membrane / neuronal cell body / positive regulation of gene expression / mitochondrion / ATP binding / identical protein binding / membrane / plasma membrane / cytoplasm 類似検索 - 分子機能 | |||||||||
| 生物種 | Homo sapiens (ヒト) | |||||||||
| 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: 2.76 Å | |||||||||
データ登録者 | Oken, A.C. / Turcu, A.L. / Vazquez, S. / Mansoor, S.E. | |||||||||
| 資金援助 | 米国, 2件
| |||||||||
引用 | ジャーナル: Nat Commun / 年: 2025タイトル: A polycyclic scaffold identified by structure-based drug design effectively inhibits the human P2X7 receptor. 著者: Adam C Oken / Andreea L Turcu / Eva Tzortzini / Kyriakos Georgiou / Jessica Nagel / Franka G Westermann / Marta Barniol-Xicota / Jonas Seidler / Ga-Ram Kim / So-Deok Lee / Annette Nicke / ...著者: Adam C Oken / Andreea L Turcu / Eva Tzortzini / Kyriakos Georgiou / Jessica Nagel / Franka G Westermann / Marta Barniol-Xicota / Jonas Seidler / Ga-Ram Kim / So-Deok Lee / Annette Nicke / Yong-Chul Kim / Christa E Müller / Antonios Kolocouris / Santiago Vázquez / Steven E Mansoor / ![]() 要旨: The P2X7 receptor is an ATP-gated ion channel that activates inflammatory pathways involved in diseases such as cancer, atherosclerosis, and neurodegeneration. However, despite the potential benefits ...The P2X7 receptor is an ATP-gated ion channel that activates inflammatory pathways involved in diseases such as cancer, atherosclerosis, and neurodegeneration. However, despite the potential benefits of blocking overactive signaling, no P2X7 receptor antagonists have been approved for clinical use. Understanding species-specific pharmacological effects of existing antagonists has been challenging, in part due to the dearth of molecular information on receptor orthologs. Here, to identify distinct molecular features in the human receptor, we determine high-resolution cryo-EM structures of the full-length wild-type human P2X7 receptor in apo closed and ATP-bound open state conformations and draw comparisons with structures of other orthologs. We also report a cryo-EM structure of the human receptor in complex with an adamantane-based inhibitor, which we leverage, in conjunction with functional data and molecular dynamics simulations, to design a potent and selective antagonist with a unique polycyclic scaffold. Functional and structural analysis reveal how this optimized ligand, termed UB-MBX-46, interacts with the classical allosteric pocket of the human P2X7 receptor with subnanomolar potency and high selectivity, revealing its significant therapeutic potential. | |||||||||
| 履歴 |
|
-
構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
|---|
-
ダウンロードとリンク
-
ダウンロード
| PDBx/mmCIF形式 | 9e3o.cif.gz | 579.1 KB | 表示 | PDBx/mmCIF形式 |
|---|---|---|---|---|
| PDB形式 | pdb9e3o.ent.gz | 表示 | PDB形式 | |
| PDBx/mmJSON形式 | 9e3o.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
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/e3/9e3o ftp://data.pdbj.org/pub/pdb/validation_reports/e3/9e3o | HTTPS FTP |
|---|
-関連構造データ
| 関連構造データ | ![]() 47492MC ![]() 9e3mC ![]() 9e3nC ![]() 9e3pC ![]() 9e3qC 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 ( |
|---|---|
| 類似構造データ | 類似検索 - 機能・相同性 F&H 検索 |
-
リンク
-
集合体
| 登録構造単位 | ![]()
|
|---|---|
| 1 |
|
-
要素
-タンパク質 / 糖 , 2種, 12分子 ABC

| #1: タンパク質 | 分子量: 68671.820 Da / 分子数: 3 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: P2RX7 / 細胞株 (発現宿主): HEK293 / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: Q99572#5: 糖 | ChemComp-NAG / |
|---|
-非ポリマー , 6種, 216分子 








| #2: 化合物 | 分子量: 304.814 Da / 分子数: 3 / 由来タイプ: 合成 / 式: C17H21ClN2O / タイプ: SUBJECT OF INVESTIGATION #3: 化合物 | #4: 化合物 | ChemComp-ZN / #6: 化合物 | ChemComp-Y01 / #7: 化合物 | ChemComp-PLM / #8: 水 | ChemComp-HOH / | |
|---|
-詳細
| 研究の焦点であるリガンドがあるか | Y |
|---|---|
| Has protein modification | Y |
-実験情報
-実験
| 実験 | 手法: 電子顕微鏡法 |
|---|---|
| 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 |
-
試料調製
| 構成要素 | 名称: Membrane protein / タイプ: COMPLEX / Entity ID: #1 / 由来: RECOMBINANT |
|---|---|
| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 由来(組換発現) | 生物種: Homo sapiens (ヒト) / 細胞: HEK293 |
| 緩衝液 | pH: 7 |
| 試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
| 急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE |
-
電子顕微鏡撮影
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
|---|---|
| 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 / 倍率(公称値): 130000 X / 最大 デフォーカス(公称値): 1500 nm / 最小 デフォーカス(公称値): 900 nm / Cs: 2.7 mm / C2レンズ絞り径: 100 µm |
| 試料ホルダ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
| 撮影 | 電子線照射量: 43 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) 実像数: 14463 |
| 電子光学装置 | エネルギーフィルタースリット幅: 20 eV |
-
解析
| EMソフトウェア | 名称: PHENIX / カテゴリ: モデル精密化 | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
| 対称性 | 点対称性: C3 (3回回転対称) | ||||||||||||||||||||||||
| 3次元再構成 | 解像度: 2.76 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 194103 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
| 拘束条件 |
|
ムービー
コントローラー
万見について




Homo sapiens (ヒト)
米国, 2件
引用










PDBj














FIELD EMISSION GUN