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基本情報
登録情報 | データベース: PDB / ID: 9f34 | ||||||
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タイトル | Cryo-EM structure of Dopamine 3 receptor:Go complex bound to bitopic FOB02-04A - Conformation B | ||||||
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![]() | MEMBRANE PROTEIN / GPCR / complex / bitopic | ||||||
機能・相同性 | ![]() musculoskeletal movement, spinal reflex action / acid secretion / dopamine neurotransmitter receptor activity, coupled via Gi/Go / response to histamine / regulation of potassium ion transport / adenylate cyclase-inhibiting dopamine receptor signaling pathway / Dopamine receptors / regulation of dopamine uptake involved in synaptic transmission / positive regulation of dopamine receptor signaling pathway / phospholipase C-activating dopamine receptor signaling pathway ...musculoskeletal movement, spinal reflex action / acid secretion / dopamine neurotransmitter receptor activity, coupled via Gi/Go / response to histamine / regulation of potassium ion transport / adenylate cyclase-inhibiting dopamine receptor signaling pathway / Dopamine receptors / regulation of dopamine uptake involved in synaptic transmission / positive regulation of dopamine receptor signaling pathway / phospholipase C-activating dopamine receptor signaling pathway / negative regulation of oligodendrocyte differentiation / mu-type opioid receptor binding / corticotropin-releasing hormone receptor 1 binding / G-protein activation / Activation of the phototransduction cascade / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / G protein-coupled receptor internalization / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Ca2+ pathway / negative regulation of synaptic transmission, glutamatergic / G alpha (z) signalling events / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / vesicle docking involved in exocytosis / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / G alpha (q) signalling events / G alpha (i) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / response to morphine / G protein-coupled dopamine receptor signaling pathway / photoreceptor outer segment membrane / arachidonate secretion / negative regulation of cytosolic calcium ion concentration / spectrin binding / regulation of heart contraction / parallel fiber to Purkinje cell synapse / regulation of dopamine secretion / positive regulation of cytokinesis / alkylglycerophosphoethanolamine phosphodiesterase activity / dopamine metabolic process / social behavior / behavioral response to cocaine / photoreceptor outer segment / negative regulation of protein secretion / postsynaptic modulation of chemical synaptic transmission / prepulse inhibition / negative regulation of insulin secretion / G protein-coupled serotonin receptor binding / adenylate cyclase regulator activity / adenylate cyclase-inhibiting serotonin receptor signaling pathway / negative regulation of blood pressure / muscle contraction / photoreceptor inner segment / cardiac muscle cell apoptotic process / positive regulation of mitotic nuclear division / negative regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / bioluminescence / learning / GABA-ergic synapse / generation of precursor metabolites and energy / locomotory behavior / circadian regulation of gene expression / response to cocaine / G protein-coupled receptor activity / visual learning / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G-protein activation / intracellular calcium ion homeostasis / 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 / ADP signalling through P2Y purinoceptor 12 / 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 / 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 / cellular response to prostaglandin E stimulus 類似検索 - 分子機能 | ||||||
生物種 | ![]() ![]() ![]() ![]() ![]() | ||||||
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: 3.09 Å | ||||||
![]() | Arroyo-Urea, S. / Garcia-Nafria, J. | ||||||
資金援助 | ![]()
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![]() | ![]() タイトル: A bitopic agonist bound to the dopamine 3 receptor reveals a selectivity site. 著者: Sandra Arroyo-Urea / Antonina L Nazarova / Ángela Carrión-Antolí / Alessandro Bonifazi / Francisco O Battiti / Jordy Homing Lam / Amy Hauck Newman / Vsevolod Katritch / Javier García-Nafría / ![]() ![]() 要旨: Although aminergic GPCRs are the target for ~25% of approved drugs, developing subtype selective drugs is a major challenge due to the high sequence conservation at their orthosteric binding site. ...Although aminergic GPCRs are the target for ~25% of approved drugs, developing subtype selective drugs is a major challenge due to the high sequence conservation at their orthosteric binding site. Bitopic ligands are covalently joined orthosteric and allosteric pharmacophores with the potential to boost receptor selectivity and improve current medications by reducing off-target side effects. However, the lack of structural information on their binding mode impedes rational design. Here we determine the cryo-EM structure of the hDR:Gαβγ complex bound to the DR selective bitopic agonist FOB02-04A. Structural, functional and computational analyses provide insights into its binding mode and point to a new TM2-ECL1-TM1 region, which requires the N-terminal ordering of TM1, as a major determinant of subtype selectivity in aminergic GPCRs. This region is underexploited in drug development, expands the established secondary binding pocket in aminergic GPCRs and could potentially be used to design novel and subtype selective drugs. | ||||||
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構造ビューア | 分子: ![]() ![]() |
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PDBx/mmCIF形式 | ![]() | 221.2 KB | 表示 | ![]() |
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-関連構造データ
関連構造データ | ![]() 50169MC ![]() 9f33C 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 ![]() |
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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
-Guanine nucleotide-binding protein ... , 3種, 3分子 ABC
#1: タンパク質 | 分子量: 40097.500 Da / 分子数: 1 / 変異: S47N,G204A,E246A,M249K,A326S / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() |
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#2: タンパク質 | 分子量: 39373.992 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() |
#3: タンパク質 | 分子量: 7845.078 Da / 分子数: 1 / 変異: C68S / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() |
-抗体 / タンパク質 / 非ポリマー , 3種, 3分子 ER
#4: 抗体 | 分子量: 27625.844 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() ![]() |
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#5: タンパク質 | 分子量: 74733.945 Da / 分子数: 1 / 変異: L119W / 由来タイプ: 組換発現 詳細: HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP- ...詳細: HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R,HASS-FLAG-eGFP-D3R 由来: (組換発現) ![]() ![]() |
#6: 化合物 | ChemComp-A1H9N / 分子量: 433.546 Da / 分子数: 1 / 由来タイプ: 合成 / 式: C25H31N5O2 / タイプ: SUBJECT OF INVESTIGATION |
-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: D3R: Gtrimer: scFv16 complex bound to the bitopic FOB02-04A - Conformation B タイプ: COMPLEX / Entity ID: #1-#5 / 由来: RECOMBINANT |
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分子量 | 値: 0.19 MDa / 実験値: NO |
由来(天然) | 生物種: ![]() |
由来(組換発現) | 生物種: ![]() |
緩衝液 | pH: 7.4 |
試料 | 濃度: 2.8 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
試料支持 | グリッドの材料: GOLD / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: Quantifoil R0.6/1 |
急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 277 K |
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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: ![]() |
電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 3000 nm / 最小 デフォーカス(公称値): 1000 nm / Cs: 2.7 mm / C2レンズ絞り径: 50 µm / アライメント法: COMA FREE |
試料ホルダ | 凍結剤: NITROGEN 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
撮影 | 電子線照射量: 50 e/Å2 / 検出モード: SUPER-RESOLUTION / フィルム・検出器のモデル: GATAN K3 (6k x 4k) / 実像数: 22655 |
画像スキャン | 動画フレーム数/画像: 50 |
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解析
EMソフトウェア |
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CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||||||||||
粒子像の選択 | 選択した粒子像数: 19414230 | ||||||||||||||||||||||||||||||||
3次元再構成 | 解像度: 3.09 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 159184 / 対称性のタイプ: POINT | ||||||||||||||||||||||||||||||||
原子モデル構築 | プロトコル: OTHER / 空間: REAL | ||||||||||||||||||||||||||||||||
拘束条件 |
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