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データを開く
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基本情報
| 登録情報 | データベース: PDB / ID: 7srr | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| タイトル | 5-HT2B receptor bound to LSD in complex with heterotrimeric mini-Gq protein obtained by cryo-electron microscopy (cryoEM) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
要素 |
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キーワード | MEMBRANE PROTEIN / 5-HT2B receptor / serotonin receptor / G protein / GPCR / Lysergic acid diethylamide / LSD / cryoEM | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報intestine smooth muscle contraction / Gq/11-coupled serotonin receptor activity / positive regulation of phosphatidylinositol biosynthetic process / G protein-coupled serotonin receptor signaling pathway / G protein-coupled serotonin receptor complex / regulation of behavior / Serotonin receptors / serotonin receptor activity / phospholipase C-activating serotonin receptor signaling pathway / G protein-coupled serotonin receptor activity ...intestine smooth muscle contraction / Gq/11-coupled serotonin receptor activity / positive regulation of phosphatidylinositol biosynthetic process / G protein-coupled serotonin receptor signaling pathway / G protein-coupled serotonin receptor complex / regulation of behavior / Serotonin receptors / serotonin receptor activity / phospholipase C-activating serotonin receptor signaling pathway / G protein-coupled serotonin receptor activity / serotonin receptor signaling pathway / embryonic morphogenesis / vasoconstriction / neurotransmitter receptor activity / serotonin binding / cardiac muscle hypertrophy / neural crest cell differentiation / neural crest cell migration / : / positive regulation of cell division / G-protein alpha-subunit binding / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / heart morphogenesis / ERK1 and ERK2 cascade / positive regulation of endothelial cell proliferation / release of sequestered calcium ion into cytosol / GTPase activator activity / positive regulation of cytokine production / calcium-mediated signaling / 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 / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / intracellular calcium ion homeostasis / 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 / photoreceptor disc membrane / Sensory perception of sweet, bitter, and umami (glutamate) taste / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADP signalling through P2Y purinoceptor 1 / ADORA2B mediated anti-inflammatory cytokines production / G beta:gamma signalling through PI3Kgamma / adenylate cyclase-activating dopamine receptor signaling pathway / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / Inactivation, recovery and regulation of the phototransduction cascade / cellular response to prostaglandin E stimulus / G-protein beta-subunit binding / heterotrimeric G-protein complex / G alpha (12/13) signalling events / sensory perception of taste / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / retina development in camera-type eye / GTPase binding / Ca2+ pathway / fibroblast proliferation / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / chemical synaptic transmission / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell population proliferation / positive regulation of ERK1 and ERK2 cascade / positive regulation of canonical NF-kappaB signal transduction / G protein-coupled receptor signaling pathway / response to xenobiotic stimulus / lysosomal membrane / GTPase activity / positive regulation of cell population proliferation / dendrite / synapse / negative regulation of apoptotic process / protein-containing complex binding / signal transduction / extracellular exosome / nucleoplasm / membrane / plasma membrane / cytoplasm / cytosol 類似検索 - 分子機能 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 生物種 | Homo sapiens (ヒト) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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: 2.9 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
データ登録者 | Barros-Alvarez, X. / Kim, K. / Panova, O. / Cao, C. / Roth, B.L. / Skiniotis, G. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 資金援助 | 1件
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引用 | ジャーナル: Neuron / 年: 2022タイトル: Signaling snapshots of a serotonin receptor activated by the prototypical psychedelic LSD. 著者: Can Cao / Ximena Barros-Álvarez / Shicheng Zhang / Kuglae Kim / Marc A Dämgen / Ouliana Panova / Carl-Mikael Suomivuori / Jonathan F Fay / Xiaofang Zhong / Brian E Krumm / Ryan H Gumpper / ...著者: Can Cao / Ximena Barros-Álvarez / Shicheng Zhang / Kuglae Kim / Marc A Dämgen / Ouliana Panova / Carl-Mikael Suomivuori / Jonathan F Fay / Xiaofang Zhong / Brian E Krumm / Ryan H Gumpper / Alpay B Seven / Michael J Robertson / Nevan J Krogan / Ruth Hüttenhain / David E Nichols / Ron O Dror / Georgios Skiniotis / Bryan L Roth / ![]() 要旨: Serotonin (5-hydroxytryptamine [5-HT]) 5-HT2-family receptors represent essential targets for lysergic acid diethylamide (LSD) and all other psychedelic drugs. Although the primary psychedelic drug ...Serotonin (5-hydroxytryptamine [5-HT]) 5-HT2-family receptors represent essential targets for lysergic acid diethylamide (LSD) and all other psychedelic drugs. Although the primary psychedelic drug effects are mediated by the 5-HT serotonin receptor (HTR2A), the 5-HT serotonin receptor (HTR2B) has been used as a model receptor to study the activation mechanisms of psychedelic drugs due to its high expression and similarity to HTR2A. In this study, we determined the cryo-EM structures of LSD-bound HTR2B in the transducer-free, Gq-protein-coupled, and β-arrestin-1-coupled states. These structures provide distinct signaling snapshots of LSD's action, ranging from the transducer-free, partially active state to the transducer-coupled, fully active states. Insights from this study will both provide comprehensive molecular insights into the signaling mechanisms of the prototypical psychedelic LSD and accelerate the discovery of novel psychedelic drugs. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 履歴 |
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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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 | 7srr.cif.gz | 221.7 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb7srr.ent.gz | 164.8 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 7srr.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
| その他 | その他のダウンロード |
-検証レポート
| 文書・要旨 | 7srr_validation.pdf.gz | 762.7 KB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 7srr_full_validation.pdf.gz | 766.7 KB | 表示 | |
| XML形式データ | 7srr_validation.xml.gz | 33.9 KB | 表示 | |
| CIF形式データ | 7srr_validation.cif.gz | 53.2 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/sr/7srr ftp://data.pdbj.org/pub/pdb/validation_reports/sr/7srr | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 25402MC ![]() 7srqC ![]() 7srsC 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 F&H 検索 |
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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
-タンパク質 , 2種, 2分子 BR
| #1: タンパク質 | 分子量: 28084.832 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト)発現宿主: ![]() |
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| #5: タンパク質 | 分子量: 41670.207 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: HTR2B発現宿主: ![]() 参照: UniProt: P41595 |
-Guanine nucleotide-binding protein ... , 2種, 2分子 CD
| #2: タンパク質 | 分子量: 37416.930 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: GNB1発現宿主: ![]() 参照: UniProt: P62873 |
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| #3: 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) Homo sapiens (ヒト) / 遺伝子: GNG2発現宿主: ![]() 参照: UniProt: P59768 |
-抗体 / 非ポリマー , 2種, 2分子 E

| #4: 抗体 | 分子量: 30552.234 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト)発現宿主: ![]() |
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| #6: 化合物 | ChemComp-7LD / ( |
-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: 5-HT2B receptor bound to LSD in complex with heterotrimeric mini-Gq protein and single-chain variable fragment (scFv16) タイプ: COMPLEX / Entity ID: #1-#5 / 由来: RECOMBINANT |
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| 分子量 | 実験値: NO |
| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 由来(組換発現) | 生物種: ![]() |
| 緩衝液 | pH: 7.5 |
| 試料 | 濃度: 8.5 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
| 試料支持 | グリッドのタイプ: UltrAuFoil R1.2/1.3 |
| 急速凍結 | 装置: FEI VITROBOT MARK IV / 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: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
| 電子レンズ | モード: BRIGHT FIELD / 倍率(補正後): 55000 X / 最大 デフォーカス(公称値): 1800 nm / 最小 デフォーカス(公称値): 800 nm / Cs: 2.7 mm / C2レンズ絞り径: 70 µm |
| 試料ホルダ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
| 撮影 | 電子線照射量: 1.07 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
| ソフトウェア | 名称: PHENIX / バージョン: 1.19.2_4158: / 分類: 精密化 | ||||||||||||||||||||||||||||
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| 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: 3214021 | ||||||||||||||||||||||||||||
| 対称性 | 点対称性: C1 (非対称) | ||||||||||||||||||||||||||||
| 3次元再構成 | 解像度: 2.9 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 772614 / 対称性のタイプ: POINT | ||||||||||||||||||||||||||||
| 拘束条件 |
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万見について




Homo sapiens (ヒト)
引用





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gel filtration

