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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: 9iqx | |||||||||||||||||||||
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| タイトル | Cryo-EM structure of the human TRPV4-RhoA in complex with AH001 | |||||||||||||||||||||
要素 |
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キーワード | MEMBRANE PROTEIN / Antagonist / Complex / Hydrolase | |||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報stretch-activated, monoatomic cation-selective, calcium channel activity / blood vessel endothelial cell delamination / regulation of response to osmotic stress / osmosensor activity / vasopressin secretion / positive regulation of striated muscle contraction / calcium ion import into cytosol / negative regulation of brown fat cell differentiation / positive regulation of microtubule depolymerization / positive regulation of macrophage inflammatory protein 1 alpha production ...stretch-activated, monoatomic cation-selective, calcium channel activity / blood vessel endothelial cell delamination / regulation of response to osmotic stress / osmosensor activity / vasopressin secretion / positive regulation of striated muscle contraction / calcium ion import into cytosol / negative regulation of brown fat cell differentiation / positive regulation of microtubule depolymerization / positive regulation of macrophage inflammatory protein 1 alpha production / hyperosmotic salinity response / positive regulation of chemokine (C-X-C motif) ligand 1 production / positive regulation of chemokine (C-C motif) ligand 5 production / cartilage development involved in endochondral bone morphogenesis / alpha-beta T cell lineage commitment / aortic valve formation / mitotic cleavage furrow formation / positive regulation of lipase activity / bone trabecula morphogenesis / endothelial tube lumen extension / skeletal muscle satellite cell migration / positive regulation of vascular associated smooth muscle contraction / angiotensin-mediated vasoconstriction involved in regulation of systemic arterial blood pressure / SLIT2:ROBO1 increases RHOA activity / RHO GTPases Activate Rhotekin and Rhophilins / Roundabout signaling pathway / negative regulation of intracellular steroid hormone receptor signaling pathway / Axonal growth inhibition (RHOA activation) / Axonal growth stimulation / cellular hypotonic salinity response / cleavage furrow formation / cellular hypotonic response / regulation of neural precursor cell proliferation / cortical microtubule organization / regulation of modification of postsynaptic actin cytoskeleton / regulation of osteoblast proliferation / forebrain radial glial cell differentiation / multicellular organismal-level water homeostasis / regulation of modification of postsynaptic structure / cell junction assembly / apical junction assembly / negative regulation of cell migration involved in sprouting angiogenesis / cellular response to chemokine / establishment of epithelial cell apical/basal polarity / positive regulation of vascular permeability / beta selection / osmosensory signaling pathway / regulation of systemic arterial blood pressure by endothelin / negative regulation of oxidative phosphorylation / negative regulation of motor neuron apoptotic process / RHO GTPases activate CIT / RHO GTPases Activate ROCKs / negative regulation of cell size / cell-cell junction assembly / positive regulation of monocyte chemotactic protein-1 production / PCP/CE pathway / Sema4D induced cell migration and growth-cone collapse / RHO GTPases activate KTN1 / calcium ion import / cell volume homeostasis / cellular response to osmotic stress / positive regulation of podosome assembly / positive regulation of alpha-beta T cell differentiation / Sema4D mediated inhibition of cell attachment and migration / apolipoprotein A-I-mediated signaling pathway / wound healing, spreading of cells / positive regulation of leukocyte adhesion to vascular endothelial cell / PI3K/AKT activation / odontogenesis / Wnt signaling pathway, planar cell polarity pathway / motor neuron apoptotic process / ossification involved in bone maturation / regulation of focal adhesion assembly / regulation of aerobic respiration / negative chemotaxis / TRP channels / EPHA-mediated growth cone collapse / apical junction complex / cortical actin cytoskeleton / stress fiber assembly / androgen receptor signaling pathway / diet induced thermogenesis / positive regulation of macrophage chemotaxis / myosin binding / positive regulation of cytokinesis / RHOC GTPase cycle / regulation of neuron projection development / cellular response to cytokine stimulus / cerebral cortex cell migration / ERBB2 Regulates Cell Motility / microtubule polymerization / semaphorin-plexin signaling pathway / calcium ion import across plasma membrane / cleavage furrow / ficolin-1-rich granule membrane / positive regulation of protein serine/threonine kinase activity / negative regulation of cell-substrate adhesion / RHOA GTPase cycle / mitotic spindle assembly / response to mechanical stimulus 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: 3.37 Å | |||||||||||||||||||||
データ登録者 | Yuan, Z. / Ruan, S.S. / Li, S.L. | |||||||||||||||||||||
| 資金援助 | 中国, 2件
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引用 | ジャーナル: Circulation / 年: 2025タイトル: Inactivation of RhoA for Hypertension Treatment Through the TRPV4-RhoA-RhoGDI1 Axis. 著者: Jiawen Wang / Zhen Yuan / Na Yu / Qian Jiao / Honglei Zhou / Wenjie Liao / Jiwei Shan / Shanshan Ruan / Yi Zhao / Ya Mo / Luyao Qi / Tiejun Li / Jianjun Fu / Bowen Ke / Yufang Xu / Xuhong ...著者: Jiawen Wang / Zhen Yuan / Na Yu / Qian Jiao / Honglei Zhou / Wenjie Liao / Jiwei Shan / Shanshan Ruan / Yi Zhao / Ya Mo / Luyao Qi / Tiejun Li / Jianjun Fu / Bowen Ke / Yufang Xu / Xuhong Qian / Jian Zhang / Zhenjiang Zhao / Shiliang Li / Rui Wang / Honglin Li 要旨: BACKGROUND: The RhoA (Ras homolog family member A) signaling pathway is pivotal in regulating vascular smooth muscle cells (VSMCs) function and blood pressure homeostasis. Current inhibitors of the ...BACKGROUND: The RhoA (Ras homolog family member A) signaling pathway is pivotal in regulating vascular smooth muscle cells (VSMCs) function and blood pressure homeostasis. Current inhibitors of the RhoA signaling pathway are limited in hypertension treatment, suffering from poor efficacy, insufficient specificity, and developmental challenges. 手法: Cryo-electron microscopy (EM), proximity ligation assay (PLA), and site-directed mutagenesis were used to explore the mechanism of RhoA activity regulation. VSMC, hypertensive animal models, ...手法: Cryo-electron microscopy (EM), proximity ligation assay (PLA), and site-directed mutagenesis were used to explore the mechanism of RhoA activity regulation. VSMC, hypertensive animal models, and Myh11-CRE (smooth muscle-specific RhoGDI1 knockout) mice were used to investigate the role of the TRPV4 (transient receptor potential cation channel subfamily V member 4)-RhoA-RhoGDI1 (Rho GDP dissociation inhibitor 1) axis in hypertension. RESULTS: AH001 (()-1-(3-ethylphenyl) ethane-1,2-diol) was identified as a novel inhibitor of the RhoA signaling pathway. It targets the TRPV4-RhoA-RhoGDI1 axis to effectively sequester inactive RhoA- ...RESULTS: AH001 (()-1-(3-ethylphenyl) ethane-1,2-diol) was identified as a novel inhibitor of the RhoA signaling pathway. It targets the TRPV4-RhoA-RhoGDI1 axis to effectively sequester inactive RhoA-GDP in the plasma membrane and cytoplasm, which is distinct from typical RhoA inhibition modes. The cryo-EM structure of the TRPV4-RhoA complex showed that AH001-bound TRPV4 adopts a closed state with RhoA in an inactive GDP-bound state. Functional studies further revealed that AH001 reduced the pool of active RhoA by enhancing TRPV4-RhoA binding and facilitating RhoGDI1-RhoA interaction in VSMC. This inhibition notably decreased both acute and long-term blood pressure and prevented vascular remodeling in Ang II-induced hypertensive mice and spontaneously hypertensive rats. However, these antihypertensive effects were weakened in and Myh11-CRE mice. Additionally, AH001 effectively inhibited VSMC contraction via the RhoA/ROCK (Rho-associated protein kinase)/MYPT1 (myosin phosphatase target subunit 1)/MLC (myosin light chain 2) signaling pathway and suppressed VSMC phenotype switching to myofibroblasts through the RhoA/ROCK/LIMK1 (LIM domain kinase)/cofilin/MRTF-A (myocardin-related transcription factor A)/SRF (serum response factor) signaling cascade. TRPV4 and RhoGDI1 knockdown attenuated AH001's inhibition of VSMC contraction and phenotypic switching to myofibroblasts. CONCLUSIONS: This study revealed a novel mode of RhoA signaling inhibition targeting the TRPV4-RhoA-RhoGDI1 axis, offering new insights for future antihypertensive drug development and proposing ...CONCLUSIONS: This study revealed a novel mode of RhoA signaling inhibition targeting the TRPV4-RhoA-RhoGDI1 axis, offering new insights for future antihypertensive drug development and proposing innovative strategies for targeting challenging Rho GTPases. | |||||||||||||||||||||
| 履歴 |
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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 | 9iqx.cif.gz | 487.8 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb9iqx.ent.gz | 400.7 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 9iqx.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 | 9iqx_validation.pdf.gz | 647.7 KB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 9iqx_full_validation.pdf.gz | 692.9 KB | 表示 | |
| XML形式データ | 9iqx_validation.xml.gz | 56.6 KB | 表示 | |
| CIF形式データ | 9iqx_validation.cif.gz | 85.2 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/iq/9iqx ftp://data.pdbj.org/pub/pdb/validation_reports/iq/9iqx | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 60797MC ![]() 9iqyC 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, 6分子 CDABEF
| #1: タンパク質 | 分子量: 73038.719 Da / 分子数: 4 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: TRPV4, VRL2, VROAC / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: Q9HBA0#2: タンパク質 | 分子量: 21799.158 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: RHOA, ARH12, ARHA, RHO12 / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: P61586, small monomeric GTPase |
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-非ポリマー , 4種, 8分子 




| #3: 化合物 | | #4: 化合物 | 分子量: 166.217 Da / 分子数: 2 / 由来タイプ: 合成 / 式: C10H14O2 #5: 化合物 | #6: 化合物 | |
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-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: Cryo-EM structure of the human TRPV4-RhoA in complex with AH001 タイプ: COMPLEX / Entity ID: #1-#2 / 由来: RECOMBINANT |
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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: 7.5 |
| 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 / 倍率(補正後): 64000 X / 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: 50 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOCONTINUUM (6k x 4k) |
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解析
| EMソフトウェア | 名称: PHENIX / バージョン: 1.19.2_4158: / 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: 3.37 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 71000 / 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, 2件
引用


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FIELD EMISSION GUN