登録情報 データベース : EMDB / ID : EMD-33099 ダウンロードとリンクタイトル Structure of somatostatin receptor 2 bound with octreotide. マップデータCryo-EM density map of octreotide bound SSTR2-DNGi complex. 詳細 試料複合体 : The SST anologue octreotide bound somatostatin receptor 2 and Gi heterotrimer complexタンパク質・ペプチド : Somatostatin receptor type 2,LargeBitタンパク質・ペプチド : Guanine nucleotide-binding protein G(i) subunit alpha-1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(I)/G(S)/G(O) subunit gamma-2タンパク質・ペプチド : ScFv16タンパク質・ペプチド : Octreotide 残り2件を表示 表示を減らす 詳細機能・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
somatostatin receptor activity / Olfactory Signaling Pathway / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Activation of the phototransduction cascade / neuropeptide binding / Activation of G protein gated Potassium channels / G-protein activation / G beta:gamma signalling through PI3Kgamma / Prostacyclin signalling through prostacyclin receptor ... somatostatin receptor activity / Olfactory Signaling Pathway / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Activation of the phototransduction cascade / neuropeptide 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 / Thrombin signalling through proteinase activated receptors (PARs) / G alpha (z) signalling events / Extra-nuclear estrogen signaling / G alpha (s) signalling events / G alpha (q) signalling events / cellular response to glucocorticoid stimulus / 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 / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / neuropeptide signaling pathway / adenylate cyclase inhibitor activity / positive regulation of protein localization to cell cortex / T cell migration / Adenylate cyclase inhibitory pathway / D2 dopamine receptor binding / response to prostaglandin E / G protein-coupled serotonin receptor binding / adenylate cyclase regulator activity / adenylate cyclase-inhibiting serotonin receptor signaling pathway / cellular response to forskolin / regulation of mitotic spindle organization / Peptide ligand-binding receptors / PDZ domain binding / Regulation of insulin secretion / cellular response to estradiol stimulus / positive regulation of cholesterol biosynthetic process / G protein-coupled receptor binding / negative regulation of insulin secretion / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / response to peptide hormone / G-protein beta/gamma-subunit complex binding / centriolar satellite / ADP signalling through P2Y purinoceptor 12 / photoreceptor disc membrane / Adrenaline,noradrenaline inhibits insulin secretion / GDP binding / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / adenylate cyclase-activating dopamine receptor signaling pathway / GPER1 signaling / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / sensory perception of taste / signaling receptor complex adaptor activity / G protein activity / GTPase binding / retina development in camera-type eye / midbody / cell cortex / G alpha (i) 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 / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / Extra-nuclear estrogen signaling / cell population proliferation / neuron projection / ciliary basal body / G protein-coupled receptor signaling pathway / negative regulation of cell population proliferation / lysosomal membrane / cell division / GTPase activity / synapse / centrosome / protein-containing complex binding / GTP binding / nucleolus / magnesium ion binding / Golgi apparatus / extracellular exosome / nucleoplasm / membrane 類似検索 - 分子機能 Somatostatin receptor 2 / Somatostatin receptor family / G protein beta WD-40 repeat protein / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx / 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 ... Somatostatin receptor 2 / Somatostatin receptor family / G protein beta WD-40 repeat protein / G-protein alpha subunit, group I / Serpentine type 7TM GPCR chemoreceptor Srsx / 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. / 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 Somatostatin receptor type 2 / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein G(i) subunit alpha-1 / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 類似検索 - 構成要素生物種 Homo sapiens (ヒト) / synthetic construct (人工物) / Bos taurus (ウシ) / Rattus (ネズミ)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 2.97 Å 詳細 データ登録者Bo Q / Yang F / Li YG / Meng XY / Zhang HH / Zhou YX / Ling SL / Sun DM / Lv P / Liu L ...Bo Q / Yang F / Li YG / Meng XY / Zhang HH / Zhou YX / Ling SL / Sun DM / Lv P / Liu L / Shi P / Tian CL 資金援助 中国, 1件 詳細 詳細を隠すOrganization Grant number 国 Other government 中国
引用ジャーナル : Cell Discov / 年 : 2022タイトル : Structural insights into the activation of somatostatin receptor 2 by cyclic SST analogues.著者 : Qing Bo / Fan Yang / Yingge Li / Xianyu Meng / Huanhuan Zhang / Yingxin Zhou / Shenglong Ling / Demeng Sun / Pei Lv / Lei Liu / Pan Shi / Changlin Tian / 要旨 : The endogenous cyclic tetradecapeptide SST14 was reported to stimulate all five somatostatin receptors (SSTR1-5) for hormone release, neurotransmission, cell growth arrest and cancer suppression. Two ... The endogenous cyclic tetradecapeptide SST14 was reported to stimulate all five somatostatin receptors (SSTR1-5) for hormone release, neurotransmission, cell growth arrest and cancer suppression. Two SST14-derived short cyclic SST analogues (lanreotide or octreotide) with improved stability and longer lifetime were developed as drugs to preferentially activate SSTR2 and treat acromegalia and neuroendocrine tumors. Here, cryo-EM structures of the human SSTR2-Gi complex bound with SST14, octreotide or lanreotide were determined at resolutions of 2.85 Å, 2.97 Å, and 2.87 Å, respectively. Structural and functional analysis revealed that interactions between β-turn residues in SST analogues and transmembrane SSTR2 residues in the ligand-binding pocket are crucial for receptor binding and functional stimulation of the two SST14-derived cyclic octapeptides. Additionally, Q102, N276, and F294 could be responsible for the selectivity of lanreotide or octreotide for SSTR2 over SSTR1 or SSTR4. These results provide valuable insights into further rational development of SST analogue drugs targeting SSTR2. 履歴 登録 2022年3月19日 - ヘッダ(付随情報) 公開 2022年8月31日 - マップ公開 2022年8月31日 - 更新 2022年8月31日 - 現状 2022年8月31日 処理サイト : PDBj / 状態 : 公開
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