+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 8dwg | |||||||||
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タイトル | CryoEM structure of Gq-coupled MRGPRX1 with peptide ligand BAM8-22 and positive allosteric modulator ML382 | |||||||||
要素 |
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キーワード | SIGNALING PROTEIN / GPCR | |||||||||
機能・相同性 | 機能・相同性情報 Peptide ligand-binding receptors / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / Post-translational protein phosphorylation / response to chloroquine / chromaffin granule lumen / opioid receptor binding / opioid peptide activity / aggressive behavior / G protein-coupled opioid receptor signaling pathway / sensory perception ...Peptide ligand-binding receptors / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / Post-translational protein phosphorylation / response to chloroquine / chromaffin granule lumen / opioid receptor binding / opioid peptide activity / aggressive behavior / G protein-coupled opioid receptor signaling pathway / sensory perception / G alpha (i) signalling events / startle response / transmission of nerve impulse / behavioral fear response / neuropeptide signaling pathway / axon terminus / sensory perception of pain / acute-phase response / locomotory behavior / G protein-coupled receptor activity / 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 / G-protein activation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / photoreceptor disc membrane / 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 / sensory perception of taste / ADP signalling through P2Y purinoceptor 1 / 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 / cellular response to prostaglandin E stimulus / Inactivation, recovery and regulation of the phototransduction cascade / G-protein beta-subunit binding / transmembrane signaling receptor activity / heterotrimeric G-protein complex / G alpha (12/13) signalling events / extracellular vesicle / signaling receptor complex adaptor activity / Thrombin signalling through proteinase activated receptors (PARs) / GTPase binding / retina development in camera-type eye / Ca2+ pathway / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (i) signalling events / fibroblast proliferation / G alpha (s) signalling events / chemical synaptic transmission / G alpha (q) signalling events / Ras protein signal transduction / cell population proliferation / Extra-nuclear estrogen signaling / cell surface receptor signaling pathway / defense response to bacterium / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / neuronal cell body / dendrite / synapse / protein-containing complex binding / cell surface / signal transduction / extracellular exosome / extracellular region / membrane / plasma membrane / cytosol / cytoplasm 類似検索 - 分子機能 | |||||||||
生物種 | Bos taurus (ウシ) Homo sapiens (ヒト) Mus musculus (ハツカネズミ) | |||||||||
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: 2.71 Å | |||||||||
データ登録者 | Liu, Y. / Cao, C. / Fay, J.F. / Roth, B.L. | |||||||||
資金援助 | 米国, 2件
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引用 | ジャーナル: Nat Chem Biol / 年: 2023 タイトル: Ligand recognition and allosteric modulation of the human MRGPRX1 receptor. 著者: Yongfeng Liu / Can Cao / Xi-Ping Huang / Ryan H Gumpper / Moira M Rachman / Sheng-Luen Shih / Brian E Krumm / Shicheng Zhang / Brian K Shoichet / Jonathan F Fay / Bryan L Roth / 要旨: The human MAS-related G protein-coupled receptor X1 (MRGPRX1) is preferentially expressed in the small-diameter primary sensory neurons and involved in the mediation of nociception and pruritus. ...The human MAS-related G protein-coupled receptor X1 (MRGPRX1) is preferentially expressed in the small-diameter primary sensory neurons and involved in the mediation of nociception and pruritus. Central activation of MRGPRX1 by the endogenous opioid peptide fragment BAM8-22 and its positive allosteric modulator ML382 has been shown to effectively inhibit persistent pain, making MRGPRX1 a promising target for non-opioid pain treatment. However, the activation mechanism of MRGPRX1 is still largely unknown. Here we report three high-resolution cryogenic electron microscopy structures of MRGPRX1-Gαq in complex with BAM8-22 alone, with BAM8-22 and ML382 simultaneously as well as with a synthetic agonist compound-16. These structures reveal the agonist binding mode for MRGPRX1 and illuminate the structural requirements for positive allosteric modulation. Collectively, our findings provide a molecular understanding of the activation and allosteric modulation of the MRGPRX1 receptor, which could facilitate the structure-based design of non-opioid pain-relieving drugs. | |||||||||
履歴 |
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-構造の表示
構造ビューア | 分子: MolmilJmol/JSmol |
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-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 8dwg.cif.gz | 198.3 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb8dwg.ent.gz | 155.3 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 8dwg.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 | 8dwg_validation.pdf.gz | 1.2 MB | 表示 | wwPDB検証レポート |
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文書・詳細版 | 8dwg_full_validation.pdf.gz | 1.2 MB | 表示 | |
XML形式データ | 8dwg_validation.xml.gz | 46.3 KB | 表示 | |
CIF形式データ | 8dwg_validation.cif.gz | 69.7 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/dw/8dwg ftp://data.pdbj.org/pub/pdb/validation_reports/dw/8dwg | HTTPS FTP |
-関連構造データ
関連構造データ | 27753MC 8dwcC 8dwhC C: 同じ文献を引用 (文献) M: このデータのモデリングに利用したマップデータ |
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類似構造データ | 類似検索 - 機能・相同性F&H 検索 |
-リンク
-集合体
登録構造単位 |
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1 |
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-要素
-タンパク質 , 2種, 2分子 BR
#2: 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: Spodoptera frugiperda (ツマジロクサヨトウ) |
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#5: タンパク質 | 分子量: 36299.879 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: MRGPRX1, MRGX1, SNSR3, SNSR4 発現宿主: Spodoptera frugiperda (ツマジロクサヨトウ) 参照: UniProt: Q96LB2 |
-Guanine nucleotide-binding protein ... , 2種, 2分子 CD
#3: タンパク質 | 分子量: 37728.152 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: Spodoptera frugiperda (ツマジロクサヨトウ) 参照: UniProt: P62873 |
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#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) Homo sapiens (ヒト) / 遺伝子: GNG2 発現宿主: Spodoptera frugiperda (ツマジロクサヨトウ) 参照: UniProt: P59768 |
-タンパク質・ペプチド / 抗体 / 非ポリマー , 3種, 3分子 AE
#1: タンパク質・ペプチド | 分子量: 1974.225 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Bos taurus (ウシ) / 遺伝子: PENK 発現宿主: Spodoptera frugiperda (ツマジロクサヨトウ) 参照: UniProt: P01211 |
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#6: 抗体 | 分子量: 27409.588 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Mus musculus (ハツカネズミ) 発現宿主: Spodoptera frugiperda (ツマジロクサヨトウ) |
#7: 化合物 | ChemComp-U39 / |
-詳細
研究の焦点であるリガンドがあるか | Y |
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-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 |
-試料調製
構成要素 | 名称: MRGPRX1-Gq BAM8-22 / タイプ: COMPLEX / Entity ID: #1-#6 / 由来: RECOMBINANT | ||||||||||||
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分子量 | 値: 150 kDa/nm / 実験値: NO | ||||||||||||
由来(天然) |
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由来(組換発現) |
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緩衝液 | pH: 7.4 | ||||||||||||
試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES | ||||||||||||
急速凍結 | 凍結剤: ETHANE-PROPANE |
-電子顕微鏡撮影
実験機器 | モデル: Talos Arctica / 画像提供: FEI Company |
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顕微鏡 | モデル: FEI TALOS ARCTICA |
電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 200 kV / 照射モード: FLOOD BEAM |
電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2400 nm / 最小 デフォーカス(公称値): 200 nm |
撮影 | 電子線照射量: 45 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
-解析
ソフトウェア | 名称: PHENIX / バージョン: 1.18.2_3874: / 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 | ||||||||||||||||||||||||
3次元再構成 | 解像度: 2.71 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 290962 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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