登録情報 データベース : EMDB / ID : EMD-42476 ダウンロードとリンクタイトル PLCb3-Gbg-Gaq complex on membranes マップデータ 詳細 試料複合体 : PLCb3-Gbg-Gaq complexタンパク質・ペプチド : Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1タンパク質・ペプチド : Guanine nucleotide-binding protein subunit gammaタンパク質・ペプチド : Guanine nucleotide-binding protein G(q) subunit alphaタンパク質・ペプチド : 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-3リガンド : GUANOSINE-5'-DIPHOSPHATEリガンド : TETRAFLUOROALUMINATE IONリガンド : MAGNESIUM IONリガンド : CALCIUM IONリガンド : water 残り2件を表示 表示を減らす 詳細 キーワード PLCb3 / Gbg / Gaq / SIGNALING PROTEIN機能・相同性 機能・相同性情報分子機能 ドメイン・相同性 構成要素
phosphatidylinositol phospholipase C activity / phosphoinositide phospholipase C / Fatty Acids bound to GPR40 (FFAR1) regulate insulin secretion / Acetylcholine regulates insulin secretion / sensory perception of itch / phospholipase C-activating G protein-coupled glutamate receptor signaling pathway / phosphatidylinositol metabolic process / PLC beta mediated events / phospholipase C-activating serotonin receptor signaling pathway / phosphatidylinositol-4,5-bisphosphate phospholipase C activity ... phosphatidylinositol phospholipase C activity / phosphoinositide phospholipase C / Fatty Acids bound to GPR40 (FFAR1) regulate insulin secretion / Acetylcholine regulates insulin secretion / sensory perception of itch / phospholipase C-activating G protein-coupled glutamate receptor signaling pathway / phosphatidylinositol metabolic process / PLC beta mediated events / phospholipase C-activating serotonin receptor signaling pathway / phosphatidylinositol-4,5-bisphosphate phospholipase C activity / regulation of systemic arterial blood pressure / regulation of platelet activation / entrainment of circadian clock / C-type glycerophospholipase activity / regulation of canonical Wnt signaling pathway / glutamate receptor signaling pathway / mast cell degranulation / phosphatidylinositol-mediated signaling / Synthesis of IP3 and IP4 in the cytosol / phototransduction, visible light / photoreceptor outer segment / postsynaptic cytosol / lipid catabolic process / cellular response to acidic pH / release of sequestered calcium ion into cytosol / hormone-mediated signaling pathway / molecular function activator activity / Turbulent (oscillatory, disturbed) flow shear stress activates signaling by PIEZO1 and integrins in endothelial cells / GTPase activator activity / neuropeptide signaling pathway / response to prostaglandin E / G protein-coupled receptor binding / G-protein beta/gamma-subunit complex binding / blood coagulation / Olfactory Signaling Pathway / Activation of the phototransduction cascade / G protein-coupled acetylcholine receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / photoreceptor disc membrane / ADP signalling through P2Y purinoceptor 12 / 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 / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / ADORA2B mediated anti-inflammatory cytokines production / G beta:gamma signalling through PI3Kgamma / adenylate cyclase-activating dopamine receptor signaling pathway / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / cellular response to prostaglandin E stimulus / heterotrimeric G-protein complex / G-protein beta-subunit binding / G alpha (12/13) signalling events / Inactivation, recovery and regulation of the phototransduction cascade / extracellular vesicle / sensory perception of taste / adenylate cyclase-activating G protein-coupled receptor signaling pathway / Thrombin signalling through proteinase activated receptors (PARs) / signaling receptor complex adaptor activity / retina development in camera-type eye / GTPase binding / G protein activity / Ca2+ pathway / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / nuclear membrane / G alpha (i) signalling events / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / molecular adaptor activity / G alpha (q) signalling events / 加水分解酵素; 酸無水物に作用; GTPに作用・細胞または細胞小器官の運動に関与 / Ras protein signal transduction / calmodulin binding / cell population proliferation / Extra-nuclear estrogen signaling / protein stabilization / cadherin binding / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / calcium ion binding / synapse / GTP binding / protein-containing complex binding / Golgi apparatus / signal transduction 類似検索 - 分子機能 Phospholipase C-beta, C-terminal domain / PLC-beta C terminal / PLC-beta, PH domain / Phospholipase C-beta, C-terminal domain superfamily / : / PH domain / Phosphoinositide phospholipase C beta1-4-like EF-hand domain / Phosphatidylinositol-4, 5-bisphosphate phosphodiesterase beta / Phosphoinositide phospholipase C family / Phospholipase C, phosphatidylinositol-specific, Y domain ... Phospholipase C-beta, C-terminal domain / PLC-beta C terminal / PLC-beta, PH domain / Phospholipase C-beta, C-terminal domain superfamily / : / PH domain / Phosphoinositide phospholipase C beta1-4-like EF-hand domain / Phosphatidylinositol-4, 5-bisphosphate phosphodiesterase beta / Phosphoinositide phospholipase C family / Phospholipase C, phosphatidylinositol-specific, Y domain / Phosphatidylinositol-specific phospholipase C, Y domain / Phosphatidylinositol-specific phospholipase Y-box domain profile. / Phospholipase C, catalytic domain (part); domain Y / G-protein alpha subunit, group Q / Phosphatidylinositol-specific phospholipase C, X domain / Phosphatidylinositol-specific phospholipase C, X domain / Phospholipase C, catalytic domain (part); domain X / Phosphatidylinositol-specific phospholipase X-box domain profile. / PLC-like phosphodiesterase, TIM beta/alpha-barrel domain superfamily / Protein kinase C conserved region 2 (CalB) / C2 domain / C2 domain / C2 domain profile. / C2 domain superfamily / G protein alpha subunit, helical insertion / G protein alpha subunit / Guanine nucleotide binding protein (G-protein), alpha subunit / G-protein alpha subunit / G-alpha domain profile. / G-protein, gamma subunit / G-protein gamma subunit domain profile. / G-protein gamma-like domain / G-protein gamma-like domain superfamily / GGL domain / G protein gamma subunit-like motifs / GGL domain / EF-hand domain pair / G protein beta WD-40 repeat protein / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / P-loop containing nucleoside triphosphate hydrolase 類似検索 - ドメイン・相同性 Guanine nucleotide-binding protein subunit gamma / Guanine nucleotide-binding protein G(q) subunit alpha / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase beta-3 類似検索 - 構成要素生物種 Homo sapiens (ヒト)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 3.37 Å 詳細 データ登録者Falzone ME / MacKinnon R 資金援助 米国, 2件 詳細 詳細を隠すOrganization Grant number 国 Howard Hughes Medical Institute (HHMI) 米国 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) GM142137 米国
引用ジャーナル : Proc Natl Acad Sci U S A / 年 : 2023タイトル : The mechanism of regulation of -catalyzed hydrolysis.著者 : Maria E Falzone / Roderick MacKinnon / 要旨 : () enzymes cleave phosphatidylinositol 4,5-bisphosphate ( producing and (diacylglycerol). modulates the function of many ion channels, while and regulate intracellular Ca levels and protein ... () enzymes cleave phosphatidylinositol 4,5-bisphosphate ( producing and (diacylglycerol). modulates the function of many ion channels, while and regulate intracellular Ca levels and protein phosphorylation by protein kinase C, respectively. enzymes are under the control of G protein coupled receptor signaling through direct interactions with G proteins and and have been shown to be coincidence detectors for dual stimulation of and -coupled receptors. are aqueous-soluble cytoplasmic enzymes but partition onto the membrane surface to access their lipid substrate, complicating their functional and structural characterization. Using newly developed methods, we recently showed that activates by recruiting it to the membrane. Using these same methods, here we show that increases the catalytic rate constant, , of . Since stimulation of by depends on an autoinhibitory element (the X-Y linker), we propose that produces partial relief of the X-Y linker autoinhibition through an allosteric mechanism. We also determined membrane-bound structures of the and complexes, which show that these G proteins can bind simultaneously and independently of each other to regulate activity. The structures rationalize a finding in the enzyme assay, that costimulation by both G proteins follows a product rule of each independent stimulus. We conclude that baseline activity of is strongly suppressed, but the effect of G proteins, especially acting together, provides a robust stimulus upon G protein stimulation. 履歴 登録 2023年10月24日 - ヘッダ(付随情報) 公開 2023年12月6日 - マップ公開 2023年12月6日 - 更新 2023年12月6日 - 現状 2023年12月6日 処理サイト : RCSB / 状態 : 公開
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