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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: 8xve | |||||||||||||||||||||||||||||||||||||||
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タイトル | Cryo-EM structure of ETBR bound with BQ3020 | |||||||||||||||||||||||||||||||||||||||
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![]() | SIGNALING PROTEIN / GPCR / COMPLEX / ETB / BQ3020 | |||||||||||||||||||||||||||||||||||||||
機能・相同性 | ![]() enteric smooth muscle cell differentiation / response to endothelin / negative regulation of neuron maturation / neuroblast migration / chordate pharynx development / endothelin receptor activity / aldosterone metabolic process / regulation of fever generation / vein smooth muscle contraction / positive regulation of penile erection ...enteric smooth muscle cell differentiation / response to endothelin / negative regulation of neuron maturation / neuroblast migration / chordate pharynx development / endothelin receptor activity / aldosterone metabolic process / regulation of fever generation / vein smooth muscle contraction / positive regulation of penile erection / heparin proteoglycan metabolic process / posterior midgut development / epithelial fluid transport / endothelin receptor signaling pathway / podocyte differentiation / developmental pigmentation / response to sodium phosphate / renal sodium excretion / enteric nervous system development / renal sodium ion absorption / protein transmembrane transport / renin secretion into blood stream / renal albumin absorption / melanocyte differentiation / vasoconstriction / regulation of pH / peripheral nervous system development / type 1 angiotensin receptor binding / negative regulation of adenylate cyclase activity / positive regulation of urine volume / ganglioside catabolic process / regulation of epithelial cell proliferation / establishment of endothelial barrier / oligosaccharide catabolic process / neural crest cell migration / negative regulation of protein metabolic process / cGMP-mediated signaling / response to pain / macrophage chemotaxis / exo-alpha-sialidase / exo-alpha-sialidase activity / peptide hormone binding / canonical Wnt signaling pathway / Transcriptional and post-translational regulation of MITF-M expression and activity / regulation of heart rate / Peptide ligand-binding receptors / calcium-mediated signaling / calcium ion transmembrane transport / Olfactory Signaling Pathway / vasodilation / Activation of the phototransduction cascade / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / G-protein activation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through CDC42 / Glucagon signaling in metabolic regulation / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / ADP signalling through P2Y purinoceptor 12 / photoreceptor disc membrane / Sensory perception of sweet, bitter, and umami (glutamate) taste / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / ADP signalling through P2Y purinoceptor 1 / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / G beta:gamma signalling through PI3Kgamma / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / adenylate cyclase-activating dopamine receptor signaling pathway / GPER1 signaling / Inactivation, recovery and regulation of the phototransduction cascade / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / nervous system development / heterotrimeric G-protein complex / G alpha (12/13) signalling events / sensory perception of taste / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / retina development in camera-type eye / positive regulation of cytosolic calcium ion concentration / cellular response to lipopolysaccharide / GTPase binding / Ca2+ pathway / fibroblast proliferation / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / nuclear membrane / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events 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 Å | |||||||||||||||||||||||||||||||||||||||
![]() | Hou, J.Y. / Liu, S.H. / Wu, L.J. / Liu, Z.J. / Hua, T. | |||||||||||||||||||||||||||||||||||||||
資金援助 | 1件
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![]() | ![]() タイトル: Structural basis of antagonist selectivity in endothelin receptors. 著者: Junyi Hou / Shenhui Liu / Xiaodan Zhang / Guowei Tu / Lijie Wu / Yijie Zhang / Hao Yang / Xiangcheng Li / Junlin Liu / Longquan Jiang / Qiwen Tan / Fang Bai / Zhijie Liu / Changhong Miao / Tian Hua / Zhe Luo / ![]() 要旨: Endothelins and their receptors, ET and ET, play vital roles in maintaining vascular homeostasis. Therapeutically targeting endothelin receptors, particularly through ET antagonists, has shown ...Endothelins and their receptors, ET and ET, play vital roles in maintaining vascular homeostasis. Therapeutically targeting endothelin receptors, particularly through ET antagonists, has shown efficacy in treating pulmonary arterial hypertension (PAH) and other cardiovascular- and renal-related diseases. Here we present cryo-electron microscopy structures of ET in complex with two PAH drugs, macitentan and ambrisentan, along with zibotentan, a selective ET antagonist, respectively. Notably, a specialized anti-ET antibody facilitated the structural elucidation. These structures, together with the active-state structures of ET-1-bound ET and ET, and the agonist BQ3020-bound ET, in complex with G, unveil the molecular basis of agonist/antagonist binding modes in endothelin receptors. Key residues that confer antagonist selectivity to endothelin receptors were identified along with the activation mechanism of ET. Furthermore, our results suggest that ECL2 in ET can serve as an epitope for antibody-mediated receptor antagonism. Collectively, these insights establish a robust theoretical framework for the rational design of small-molecule drugs and antibodies with selective activity against endothelin receptors. | |||||||||||||||||||||||||||||||||||||||
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構造の表示
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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PDBx/mmCIF形式 | ![]() | 236.1 KB | 表示 | ![]() |
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PDB形式 | ![]() | 177.1 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 | ![]() | 394.5 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 404.8 KB | 表示 | |
XML形式データ | ![]() | 21.6 KB | 表示 | |
CIF形式データ | ![]() | 33.7 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 | ![]() 38702MC ![]() 8xvhC ![]() 8xviC ![]() 8xvjC ![]() 8xvkC ![]() 8xvlC 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 ![]() |
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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 AR
#1: タンパク質 | 分子量: 30464.314 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() |
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#6: タンパク質 | 分子量: 94123.805 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現) ![]() ![]() ![]() 遺伝子: nanH, EDNRB, ETRB 発現宿主: ![]() ![]() 参照: UniProt: Q59310, UniProt: P24530, exo-alpha-sialidase |
-Guanine nucleotide-binding protein ... , 2種, 2分子 BG
#2: タンパク質 | 分子量: 38045.629 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() ![]() 参照: UniProt: P62873 |
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#3: タンパク質 | 分子量: 7861.143 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() ![]() 参照: UniProt: P59768 |
-抗体 / タンパク質・ペプチド , 2種, 2分子 NP
#4: 抗体 | 分子量: 17057.271 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() ![]() |
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#5: タンパク質・ペプチド | 分子量: 1966.302 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() |
-詳細
Has protein modification | Y |
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-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: Complex of protein Gsq with ETB and BQ3020 / 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: 7.4 |
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: ![]() |
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): 1000 nm |
撮影 | 電子線照射量: 60 e/Å2 フィルム・検出器のモデル: FEI FALCON IV (4k 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: 3 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 118372 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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