登録情報 データベース : PDB / ID : 7ej8 構造の表示 ダウンロードとリンクタイトル Structure of the alpha2A-adrenergic receptor GoA signaling complex bound to brimonidine 要素(Guanine nucleotide-binding protein ...) x 3 Alpha-2A adrenergic receptor scFv16 詳細キーワード MEMBRANE PROTEIN / alpha2A-adrenergic receptor / signaling complex / cryo-EM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 uterine smooth muscle contraction / adenylate cyclase-inhibiting adrenergic receptor signaling pathway / alpha2-adrenergic receptor activity / Adrenaline signalling through Alpha-2 adrenergic receptor / alpha-2C adrenergic receptor binding / phospholipase C-activating adrenergic receptor signaling pathway / : / negative regulation of epinephrine secretion / epinephrine binding / negative regulation of norepinephrine secretion ... negative regulation of uterine smooth muscle contraction / adenylate cyclase-inhibiting adrenergic receptor signaling pathway / alpha2-adrenergic receptor activity / Adrenaline signalling through Alpha-2 adrenergic receptor / alpha-2C adrenergic receptor binding / phospholipase C-activating adrenergic receptor signaling pathway / : / negative regulation of epinephrine secretion / epinephrine binding / negative regulation of norepinephrine secretion / alpha-1B adrenergic receptor binding / negative regulation of calcium ion transmembrane transporter activity / heterotrimeric G-protein binding / negative regulation of calcium ion-dependent exocytosis / activation of protein kinase activity / dopaminergic synapse / mu-type opioid receptor binding / Surfactant metabolism / corticotropin-releasing hormone receptor 1 binding / thermoception / positive regulation of potassium ion transport / fear response / thioesterase binding / negative regulation of insulin secretion involved in cellular response to glucose stimulus / vesicle docking involved in exocytosis / response to alcohol / positive regulation of membrane protein ectodomain proteolysis / norepinephrine binding / intestinal absorption / Adrenoceptors / positive regulation of epidermal growth factor receptor signaling pathway / response to morphine / G protein-coupled dopamine receptor signaling pathway / positive regulation of wound healing / adrenergic receptor signaling pathway / regulation of heart contraction / parallel fiber to Purkinje cell synapse / negative regulation of calcium ion transport / Rho protein signal transduction / regulation of vasoconstriction / postsynaptic modulation of chemical synaptic transmission / negative regulation of lipid catabolic process / negative regulation of insulin secretion / cellular response to hormone stimulus / activation of protein kinase B activity / adenylate cyclase-activating adrenergic receptor signaling pathway / presynaptic active zone membrane / G protein-coupled serotonin receptor binding / adenylate cyclase regulator activity / adenylate cyclase-inhibiting serotonin receptor signaling pathway / muscle contraction / axon terminus / presynaptic modulation of chemical synaptic transmission / positive regulation of MAP kinase activity / guanyl-nucleotide exchange factor activity / positive regulation of cytokine production / GABA-ergic synapse / female pregnancy / locomotory behavior / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / postsynaptic density membrane / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / platelet activation / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / 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 / adenylate cyclase-activating G protein-coupled 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 / Sensory perception of sweet, bitter, and umami (glutamate) taste / photoreceptor disc membrane / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / cellular response to catecholamine stimulus / vasodilation / ADORA2B mediated anti-inflammatory cytokines production / ADP signalling through P2Y purinoceptor 1 / 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 / glucose homeostasis / heterotrimeric G-protein complex 類似検索 - 分子機能 Alpha 2A adrenoceptor / Adrenoceptor family / G-protein alpha subunit, group I / YVTN repeat-like/Quinoprotein amine dehydrogenase / Serpentine type 7TM GPCR chemoreceptor Srsx / 7 Propeller / Methylamine Dehydrogenase; Chain H / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit ... Alpha 2A adrenoceptor / Adrenoceptor family / G-protein alpha subunit, group I / YVTN repeat-like/Quinoprotein amine dehydrogenase / Serpentine type 7TM GPCR chemoreceptor Srsx / 7 Propeller / Methylamine Dehydrogenase; Chain H / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G-alpha domain profile. / G protein alpha subunit / 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 / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein coupled receptors family 1 signature. / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 7 transmembrane receptor (rhodopsin family) / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / WD domain, G-beta repeat / 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 / Mainly Beta 類似検索 - ドメイン・相同性 Brimonidine / Alpha-2A adrenergic receptor / Guanine nucleotide-binding protein G(o) subunit alpha / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 類似検索 - 構成要素生物種 Homo sapiens (ヒト)Mus musculus (ハツカネズミ)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 詳細データ登録者 Xu, J. / Cao, S. / Liu, Z. / Du, Y. 引用ジャーナル : Sci Adv / 年 : 2022タイトル : Structural insights into ligand recognition, activation, and signaling of the α adrenergic receptor.著者 : Jun Xu / Sheng Cao / Harald Hübner / Dorothée Weikert / Geng Chen / Qiuyuan Lu / Daopeng Yuan / Peter Gmeiner / Zheng Liu / Yang Du / 要旨 : The α adrenergic receptor (αAR) is a G protein (heterotrimeric guanine nucleotide-binding protein)-coupled receptor that mediates important physiological functions in response to the endogenous ... The α adrenergic receptor (αAR) is a G protein (heterotrimeric guanine nucleotide-binding protein)-coupled receptor that mediates important physiological functions in response to the endogenous neurotransmitters norepinephrine and epinephrine, as well as numerous chemically distinct drugs. However, the molecular mechanisms of drug actions remain poorly understood. Here, we report the cryo-electron microscopy structures of the human αAR-GoA complex bound to norepinephrine and three imidazoline derivatives (brimonidine, dexmedetomidine, and oxymetazoline). Together with mutagenesis and functional data, these structures provide important insights into the molecular basis of ligand recognition, activation, and signaling at the αAR. Further structural analyses uncover different molecular determinants between αAR and βARs for recognition of norepinephrine and key regions that determine the G protein coupling selectivity. Overall, our studies provide a framework for understanding the signal transduction of the adrenergic system at the atomic level, which will facilitate rational structure-based discovery of safer and more effective medications for αAR. 履歴 登録 2021年4月1日 登録サイト : PDBJ / 処理サイト : PDBJ改定 1.0 2022年4月13日 Provider : repository / タイプ : Initial release改定 1.1 2022年10月26日 Group : Database references / カテゴリ : citation / citation_authorItem : _citation.country / _citation.journal_abbrev ... _citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year 改定 1.2 2024年10月16日 Group : Data collection / Structure summaryカテゴリ : chem_comp_atom / chem_comp_bond ... chem_comp_atom / chem_comp_bond / em_admin / pdbx_entry_details / pdbx_modification_feature Item : _em_admin.last_update / _pdbx_entry_details.has_protein_modification
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