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基本情報
登録情報 | データベース: PDB / ID: 8uhb | |||||||||||||||
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タイトル | Cryo-EM Structure of the Ro5256390-bound hTA1-Gs heterotrimer signaling complex | |||||||||||||||
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![]() | MEMBRANE PROTEIN / GPCR / Signaling Complex / Trace Amine-associated Receptor | |||||||||||||||
機能・相同性 | ![]() COPI-coated Golgi to ER transport vesicle / regulation of parathyroid hormone secretion / post-embryonic body morphogenesis / Amine ligand-binding receptors / adenylate cyclase-activating serotonin receptor signaling pathway / response to parathyroid hormone / trace-amine receptor activity / sensory perception of chemical stimulus / endochondral ossification / positive regulation of sodium ion transport ...COPI-coated Golgi to ER transport vesicle / regulation of parathyroid hormone secretion / post-embryonic body morphogenesis / Amine ligand-binding receptors / adenylate cyclase-activating serotonin receptor signaling pathway / response to parathyroid hormone / trace-amine receptor activity / sensory perception of chemical stimulus / endochondral ossification / positive regulation of sodium ion transport / tissue homeostasis / energy reserve metabolic process / mu-type opioid receptor binding / corticotropin-releasing hormone receptor 1 binding / genomic imprinting / embryonic cranial skeleton morphogenesis / positive regulation of osteoclast differentiation / positive regulation of mini excitatory postsynaptic potential / beta2-adrenergic receptor activity / negative regulation of smooth muscle contraction / cartilage development / AMPA selective glutamate receptor signaling pathway / embryonic hindlimb morphogenesis / positive regulation of autophagosome maturation / norepinephrine binding / norepinephrine-epinephrine-mediated vasodilation involved in regulation of systemic arterial blood pressure / heat generation / Adrenoceptors / beta-2 adrenergic receptor binding / positive regulation of lipophagy / negative regulation of G protein-coupled receptor signaling pathway / negative regulation of multicellular organism growth / skin development / adrenergic receptor signaling pathway / endosome to lysosome transport / response to psychosocial stress / diet induced thermogenesis / neuronal dense core vesicle / alkylglycerophosphoethanolamine phosphodiesterase activity / positive regulation of cAMP/PKA signal transduction / adenylate cyclase binding / smooth muscle contraction / developmental growth / hair follicle placode formation / G-protein alpha-subunit binding / alpha-tubulin binding / regulation of signal transduction / D1 dopamine receptor binding / bone resorption / positive regulation of bone mineralization / potassium channel regulator activity / positive regulation of osteoblast differentiation / brown fat cell differentiation / intercellular bridge / regulation of sodium ion transport / adenylate cyclase-activating adrenergic receptor signaling pathway / response to prostaglandin E / adenylate cyclase regulator activity / negative regulation of blood pressure / insulin-like growth factor receptor binding / ruffle / ionotropic glutamate receptor binding / endomembrane system / cellular response to glucagon stimulus / receptor-mediated endocytosis / response to cold / adenylate cyclase activator activity / trans-Golgi network membrane / skeletal system development / post-embryonic development / clathrin-coated endocytic vesicle membrane / G protein-coupled receptor activity / electron transport chain / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / sarcolemma / bone development / positive regulation of insulin secretion / recycling endosome / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / platelet aggregation / multicellular organism growth / Olfactory Signaling Pathway / Activation of the phototransduction cascade / cognition / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / G-protein activation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / adenylate cyclase-activating G protein-coupled receptor signaling pathway / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through CDC42 / Glucagon signaling in metabolic regulation / G beta:gamma signalling through BTK / cellular response to amyloid-beta / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / ADP signalling through P2Y purinoceptor 12 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: 3.35 Å | |||||||||||||||
![]() | Zilberg, G. / Warren, A.L. / Parpounas, A.K. / Wacker, D. | |||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Molecular basis of human trace amine-associated receptor 1 activation. 著者: Gregory Zilberg / Alexandra K Parpounas / Audrey L Warren / Shifan Yang / Daniel Wacker / ![]() 要旨: The human trace amine-associated receptor 1 (hTAAR1, hTA1) is a key regulator of monoaminergic neurotransmission and the actions of psychostimulants. Despite preclinical research demonstrating its ...The human trace amine-associated receptor 1 (hTAAR1, hTA1) is a key regulator of monoaminergic neurotransmission and the actions of psychostimulants. Despite preclinical research demonstrating its tractability as a drug target, its molecular mechanisms of activation remain unclear. Moreover, poorly understood pharmacological differences between rodent and human TA1 complicate the translation of findings from preclinical disease models into novel pharmacotherapies. To elucidate hTA1's mechanisms on the molecular scale and investigate the underpinnings of its divergent pharmacology from rodent orthologs, we herein report the structure of the human TA1 receptor in complex with a Gαs heterotrimer. Our structure reveals shared structural elements with other TAARs, as well as with its closest monoaminergic orthologue, the serotonin receptor 5-HT4R. We further find that a single mutation dramatically shifts the selectivity of hTA1 towards that of its rodent orthologues, and report on the effects of substituting residues to those found in serotonin and dopamine receptors. Strikingly, we also discover that the atypical antipsychotic medication and pan-monoaminergic antagonist asenapine potently and efficaciously activates hTA1. Together our studies provide detailed insight into hTA1 structure and function, contrast its molecular pharmacology with that of related receptors, and uncover off-target activities of monoaminergic drugs at hTA1. | |||||||||||||||
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構造の表示
構造ビューア | 分子: ![]() ![]() |
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ダウンロードとリンク
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ダウンロード
PDBx/mmCIF形式 | ![]() | 364.5 KB | 表示 | ![]() |
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PDB形式 | ![]() | 291.4 KB | 表示 | ![]() |
PDBx/mmJSON形式 | ![]() | ツリー表示 | ![]() | |
その他 | ![]() |
-検証レポート
文書・要旨 | ![]() | 1.1 MB | 表示 | ![]() |
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文書・詳細版 | ![]() | 1.1 MB | 表示 | |
XML形式データ | ![]() | 40.2 KB | 表示 | |
CIF形式データ | ![]() | 59.2 KB | 表示 | |
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-関連構造データ
関連構造データ | ![]() 42268MC 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 BCG
#2: タンパク質 | 分子量: 39418.086 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() ![]() 参照: UniProt: P62873 |
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#3: タンパク質 | 分子量: 45803.598 Da / 分子数: 1 変異: E189D, M191V, T193S, E194D, N271K, K274D, R280K, T284D, I285T, G226A, A366S 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() 発現宿主: ![]() ![]() 参照: UniProt: P63095 |
#4: タンパク質 | 分子量: 7861.143 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() ![]() 参照: UniProt: P59768 |
-タンパク質 / 抗体 / 非ポリマー , 3種, 3分子 AN

#1: タンパク質 | 分子量: 60019.816 Da / 分子数: 1 / 変異: M(-129)W, R(-14)G, Q(-3)E, F112W / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 発現宿主: ![]() ![]() 参照: UniProt: P0ABE7, UniProt: P07550, UniProt: Q96RJ0 |
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#5: 抗体 | 分子量: 14714.320 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() 発現宿主: ![]() ![]() |
#6: 化合物 | ChemComp-WV8 / ( |
-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: hTA1-Gs-Nb35 complex (Ro5256390) / タイプ: COMPLEX / Entity ID: #1-#5 / 由来: RECOMBINANT |
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分子量 | 単位: MEGADALTONS / 実験値: NO |
由来(天然) | 生物種: ![]() |
由来(組換発現) | 生物種: ![]() ![]() 株: Sf9 |
緩衝液 | pH: 7.4 |
試料 | 濃度: 1.2 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: COPPER / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: Quantifoil R1.2/1.3 |
急速凍結 | 装置: LEICA EM GP / 凍結剤: ETHANE |
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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): 1800 nm / 最小 デフォーカス(公称値): 500 nm |
撮影 | 電子線照射量: 53.88 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) |
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解析
CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
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3次元再構成 | 解像度: 3.35 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 626370 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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