登録情報 データベース : EMDB / ID : EMD-20223 構造の表示 ダウンロードとリンクタイトル Structure of the Rhodopsin-Transducin-Nanobody Complex マップデータRhodopsin-Transducin-Nanobody Complex 詳細 試料複合体 : Rhodopsin-Transducin-Nanobody Complex複合体 : Transducinタンパク質・ペプチド : Gt-alpha/Gi1-alpha chimera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 G(T) subunit gamma-T1複合体 : Rhodopsin複合体 : Nanobodyタンパク質・ペプチド : Camelid antibody VHH fragmentリガンド : RETINAL 詳細 キーワード GPCR / G protein / Complex / SIGNALING PROTEIN-IMMUNE SYSTEM complex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
negative regulation of cyclic-nucleotide phosphodiesterase activity / Opsins / VxPx cargo-targeting to cilium / rod bipolar cell differentiation / sperm head plasma membrane / opsin binding / The canonical retinoid cycle in rods (twilight vision) / absorption of visible light / G protein-coupled opsin signaling pathway / Olfactory Signaling Pathway ... negative regulation of cyclic-nucleotide phosphodiesterase activity / Opsins / VxPx cargo-targeting to cilium / rod bipolar cell differentiation / sperm head plasma membrane / opsin binding / The canonical retinoid cycle in rods (twilight vision) / absorption of visible light / G protein-coupled opsin signaling pathway / Olfactory Signaling Pathway / Sensory perception of sweet, bitter, and umami (glutamate) taste / 11-cis retinal binding / podosome assembly / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / G protein-coupled photoreceptor activity / photoreceptor inner segment membrane / cellular response to light stimulus / rod photoreceptor outer segment / eye photoreceptor cell development / detection of light stimulus involved in visual perception / G protein-coupled receptor complex / Inactivation, recovery and regulation of the phototransduction cascade / thermotaxis / Activation of the phototransduction cascade / detection of temperature stimulus involved in thermoception / outer membrane / response to light intensity / photoreceptor cell maintenance / arrestin family protein binding / Activation of G protein gated Potassium channels / G-protein activation / G beta:gamma signalling through PI3Kgamma / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through PLC beta / ADP signalling through P2Y purinoceptor 1 / Thromboxane signalling through TP receptor / Presynaptic function of Kainate receptors / G beta:gamma signalling through CDC42 / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G alpha (12/13) signalling events / Glucagon-type ligand receptors / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Adrenaline,noradrenaline inhibits insulin secretion / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Ca2+ pathway / G alpha (z) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / Extra-nuclear estrogen signaling / G alpha (s) signalling events / G alpha (q) signalling events / photoreceptor outer segment membrane / G alpha (i) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / Vasopressin regulates renal water homeostasis via Aquaporins / acyl binding / phototransduction, visible light / phototransduction / response to light stimulus / photoreceptor outer segment / G-protein alpha-subunit binding / photoreceptor inner segment / visual perception / guanyl-nucleotide exchange factor activity / G protein-coupled receptor binding / microtubule cytoskeleton organization / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / cell-cell junction / photoreceptor disc membrane / GDP binding / intracellular protein localization / cellular response to catecholamine stimulus / adenylate cyclase-activating dopamine receptor signaling pathway / cellular response to prostaglandin E stimulus / heterotrimeric G-protein complex / G-protein beta-subunit binding / sensory perception of taste / signaling receptor complex adaptor activity / retina development in camera-type eye / GTPase binding / sperm midpiece / phospholipase C-activating G protein-coupled receptor signaling pathway / gene expression / cell population proliferation / G protein-coupled receptor signaling pathway / Golgi membrane / GTPase activity / synapse / protein kinase binding / GTP binding / protein-containing complex binding / zinc ion binding / membrane / metal ion binding / identical protein binding / plasma membrane / cytoplasm 類似検索 - 分子機能 Rhodopsin, N-terminal / Amino terminal of the G-protein receptor rhodopsin / Rhodopsin / Opsin / Visual pigments (opsins) retinal binding site / Visual pigments (opsins) retinal binding site. / : / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx / G protein alpha subunit, helical insertion ... Rhodopsin, N-terminal / Amino terminal of the G-protein receptor rhodopsin / Rhodopsin / Opsin / Visual pigments (opsins) retinal binding site / Visual pigments (opsins) retinal binding site. / : / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx / 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 / G protein beta WD-40 repeat protein / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein coupled receptors family 1 signature. / 7 transmembrane receptor (rhodopsin family) / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 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 G(T) subunit gamma-T1 / Rhodopsin / Guanine nucleotide-binding protein G(t) subunit alpha-1 / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 類似検索 - 構成要素生物種 Bos taurus (ウシ) / Lama glama (ラマ)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 3.3 Å 詳細 データ登録者Gao Y / Hu H 資金援助 米国, 3件 詳細 詳細を隠すOrganization Grant number 国 National Institutes of Health/National Cancer Institute (NIH/NCI) R01 CA201402 米国 National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS) R35 GM122575 米国 National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS) R01 NS092695 米国
引用ジャーナル : Mol Cell / 年 : 2019タイトル : Structures of the Rhodopsin-Transducin Complex: Insights into G-Protein Activation.著者 : Yang Gao / Hongli Hu / Sekar Ramachandran / Jon W Erickson / Richard A Cerione / Georgios Skiniotis / 要旨 : Rhodopsin (Rho), a prototypical G-protein-coupled receptor (GPCR) in vertebrate vision, activates the G-protein transducin (G) by catalyzing GDP-GTP exchange on its α subunit (Gα). To elucidate the ... Rhodopsin (Rho), a prototypical G-protein-coupled receptor (GPCR) in vertebrate vision, activates the G-protein transducin (G) by catalyzing GDP-GTP exchange on its α subunit (Gα). To elucidate the determinants of G coupling and activation, we obtained cryo-EM structures of a fully functional, light-activated Rho-G complex in the presence and absence of a G-protein-stabilizing nanobody. The structures illustrate how G overcomes its low basal activity by engaging activated Rho in a conformation distinct from other GPCR-G-protein complexes. Moreover, the nanobody-free structures reveal native conformations of G-protein components and capture three distinct conformers showing the Gα helical domain (αHD) contacting the Gβγ subunits. These findings uncover the molecular underpinnings of G-protein activation by visual rhodopsin and shed new light on the role played by Gβγ during receptor-catalyzed nucleotide exchange. 履歴 登録 2019年5月14日 - ヘッダ(付随情報) 公開 2019年6月19日 - マップ公開 2019年7月24日 - 更新 2024年11月6日 - 現状 2024年11月6日 処理サイト : RCSB / 状態 : 公開
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