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基本情報
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タイトル | Structure of nanobody-bound DRD1_LSD complex | |||||||||
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![]() | GPCR / DRD1 / LSD / MEMBRANE PROTEIN | |||||||||
機能・相同性 | ![]() dopamine neurotransmitter receptor activity, coupled via Gs / dopamine neurotransmitter receptor activity / cerebral cortex GABAergic interneuron migration / operant conditioning / Dopamine receptors / regulation of dopamine uptake involved in synaptic transmission / dopamine binding / phospholipase C-activating dopamine receptor signaling pathway / heterotrimeric G-protein binding / modification of postsynaptic structure ...dopamine neurotransmitter receptor activity, coupled via Gs / dopamine neurotransmitter receptor activity / cerebral cortex GABAergic interneuron migration / operant conditioning / Dopamine receptors / regulation of dopamine uptake involved in synaptic transmission / dopamine binding / phospholipase C-activating dopamine receptor signaling pathway / heterotrimeric G-protein binding / modification of postsynaptic structure / peristalsis / regulation of dopamine metabolic process / G protein-coupled receptor complex / grooming behavior / positive regulation of neuron migration / habituation / sensitization / dopamine transport / astrocyte development / dentate gyrus development / conditioned taste aversion / striatum development / positive regulation of potassium ion transport / maternal behavior / arrestin family protein binding / non-motile cilium / long-term synaptic depression / mating behavior / IgG binding / adult walking behavior / G protein-coupled dopamine receptor signaling pathway / ciliary membrane / temperature homeostasis / detection of maltose stimulus / D-glucose import / transmission of nerve impulse / maltose transport complex / dopamine metabolic process / behavioral response to cocaine / carbohydrate transport / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / carbohydrate transmembrane transporter activity / maltose binding / G-protein alpha-subunit binding / maltose transport / maltodextrin transmembrane transport / behavioral fear response / prepulse inhibition / neuronal action potential / synapse assembly / adenylate cyclase-activating adrenergic receptor signaling pathway / ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing / activation of adenylate cyclase activity / presynaptic modulation of chemical synaptic transmission / response to amphetamine / positive regulation of synaptic transmission, glutamatergic / ATP-binding cassette (ABC) transporter complex / positive regulation of release of sequestered calcium ion into cytosol / GABA-ergic synapse / synaptic transmission, glutamatergic / cell chemotaxis / G protein-coupled receptor activity / visual learning / memory / long-term synaptic potentiation / adenylate cyclase-activating G protein-coupled receptor signaling pathway / protein import into nucleus / cellular response to catecholamine stimulus / vasodilation / adenylate cyclase-activating dopamine receptor signaling pathway / presynaptic membrane / outer membrane-bounded periplasmic space / G alpha (s) signalling events / dendritic spine / postsynaptic membrane / periplasmic space / positive regulation of MAPK cascade / cilium / positive regulation of cell migration / response to xenobiotic stimulus / DNA damage response / endoplasmic reticulum membrane / glutamatergic synapse / extracellular region / nucleus / membrane / plasma membrane 類似検索 - 分子機能 | |||||||||
生物種 | ![]() ![]() ![]() ![]() ![]() ![]() | |||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.57 Å | |||||||||
![]() | Zhuang Y / Xu Y / Fan L / Wang S / Xu HE | |||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structural basis of psychedelic LSD recognition at dopamine D receptor. 著者: Luyu Fan / Youwen Zhuang / Hongyu Wu / Huiqiong Li / Youwei Xu / Yue Wang / Licong He / Shishan Wang / Zhangcheng Chen / Jianjun Cheng / H Eric Xu / Sheng Wang / ![]() 要旨: Understanding the kinetics of LSD in receptors and subsequent induced signaling is crucial for comprehending both the psychoactive and therapeutic effects of LSD. Despite extensive research on LSD's ...Understanding the kinetics of LSD in receptors and subsequent induced signaling is crucial for comprehending both the psychoactive and therapeutic effects of LSD. Despite extensive research on LSD's interactions with serotonin 2A and 2B receptors, its behavior on other targets, including dopamine receptors, has remained elusive. Here, we present cryo-EM structures of LSD/PF6142-bound dopamine D receptor (DRD1)-legobody complexes, accompanied by a β-arrestin-mimicking nanobody, NBA3, shedding light on the determinants of G protein coupling versus β-arrestin coupling. Structural analysis unveils a distinctive binding mode of LSD in DRD1, particularly with the ergoline moiety oriented toward TM4. Kinetic investigations uncover an exceptionally rapid dissociation rate of LSD in DRD1, attributed to the flexibility of extracellular loop 2 (ECL2). Moreover, G protein can stabilize ECL2 conformation, leading to a significant slowdown in ligand's dissociation rate. These findings establish a solid foundation for further exploration of G protein-coupled receptor (GPCR) dynamics and their relevance to signal transduction. | |||||||||
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マップデータ | ![]() | 59.8 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 21.4 KB 21.4 KB | 表示 表示 | ![]() |
画像 | ![]() | 34 KB | ||
Filedesc metadata | ![]() | 6.9 KB | ||
その他 | ![]() ![]() | 49.6 MB 49.6 MB | ||
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 | ![]() 8jxrMC ![]() 8jxsC M: このマップから作成された原子モデル 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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「今月の分子」の関連する項目 |
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マップ
ファイル | ![]() | ||||||||||||||||||||||||||||||||||||
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投影像・断面図 | 画像のコントロール
画像は Spider により作成 | ||||||||||||||||||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 0.824 Å | ||||||||||||||||||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
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-添付データ
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試料の構成要素
+全体 : nanobody-bound DRD1_LSD complex
+超分子 #1: nanobody-bound DRD1_LSD complex
+超分子 #2: DRD1
+超分子 #3: PrAC-PrAD-PrG
+超分子 #4: Fab 8D3
+分子 #1: D(1A) dopamine receptor
+分子 #2: NBA3
+分子 #3: Maltose/maltodextrin-binding periplasmic protein,Immunoglobulin G...
+分子 #4: Fab 8D3 heavy chain
+分子 #5: Fab 8D3 light chain
+分子 #7: (8alpha)-N,N-diethyl-6-methyl-9,10-didehydroergoline-8-carboxamide
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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![]() | 単粒子再構成法 |
試料の集合状態 | particle |
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試料調製
緩衝液 | pH: 7.5 |
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凍結 | 凍結剤: ETHANE |
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電子顕微鏡法
顕微鏡 | FEI TITAN KRIOS |
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撮影 | フィルム・検出器のモデル: GATAN K3 (6k x 4k) / 平均電子線量: 50.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 5.0 µm / 最小 デフォーカス(公称値): 1.2 µm |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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画像解析
初期モデル | モデルのタイプ: PDB ENTRY PDBモデル - PDB ID: |
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最終 再構成 | 解像度のタイプ: BY AUTHOR / 解像度: 3.57 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 使用した粒子像数: 175144 |
初期 角度割当 | タイプ: ANGULAR RECONSTITUTION |
最終 角度割当 | タイプ: ANGULAR RECONSTITUTION |