+データを開く
-基本情報
登録情報 | データベース: EMDB / ID: EMD-32837 | |||||||||
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タイトル | Tethered peptide activation mechanism of adhesion GPCRs ADGRG2 and ADGRG4 | |||||||||
マップデータ | Cryo-EM structure of the ADGRG4-beta-Gs complex | |||||||||
試料 |
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機能・相同性 | 機能・相同性情報 bioluminescence / generation of precursor metabolites and energy / G protein-coupled receptor activity / Olfactory Signaling Pathway / Activation of the phototransduction cascade / adenylate cyclase-activating G protein-coupled receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway ...bioluminescence / generation of precursor metabolites and energy / G protein-coupled receptor activity / Olfactory Signaling Pathway / Activation of the phototransduction cascade / adenylate cyclase-activating G protein-coupled receptor signaling pathway / 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 / 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 / G alpha (q) signalling events / Ras protein signal transduction / cell population proliferation / Extra-nuclear estrogen signaling / cell surface receptor signaling pathway / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / synapse / protein-containing complex binding / signal transduction / extracellular exosome / membrane / plasma membrane / cytosol / cytoplasm 類似検索 - 分子機能 | |||||||||
生物種 | Homo sapiens (ヒト) / synthetic construct (人工物) / Lama glama (ラマ) / Psychromonas sp. B3M02 (バクテリア) | |||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.3 Å | |||||||||
データ登録者 | Guo SC / Huang SM / He QT / Xiao P / Sun JP / Yu X | |||||||||
資金援助 | 中国, 2件
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引用 | ジャーナル: Nature / 年: 2022 タイトル: Tethered peptide activation mechanism of the adhesion GPCRs ADGRG2 and ADGRG4. 著者: Peng Xiao / Shengchao Guo / Xin Wen / Qing-Tao He / Hui Lin / Shen-Ming Huang / Lu Gou / Chao Zhang / Zhao Yang / Ya-Ni Zhong / Chuan-Cheng Yang / Yu Li / Zheng Gong / Xiao-Na Tao / Zhi-Shuai ...著者: Peng Xiao / Shengchao Guo / Xin Wen / Qing-Tao He / Hui Lin / Shen-Ming Huang / Lu Gou / Chao Zhang / Zhao Yang / Ya-Ni Zhong / Chuan-Cheng Yang / Yu Li / Zheng Gong / Xiao-Na Tao / Zhi-Shuai Yang / Yan Lu / Shao-Long Li / Jun-Yan He / Chuanxin Wang / Lei Zhang / Liangliang Kong / Jin-Peng Sun / Xiao Yu / 要旨: Adhesion G protein-coupled receptors (aGPCRs) constitute an evolutionarily ancient family of receptors that often undergo autoproteolysis to produce α and β subunits. A tethered agonism mediated by ...Adhesion G protein-coupled receptors (aGPCRs) constitute an evolutionarily ancient family of receptors that often undergo autoproteolysis to produce α and β subunits. A tethered agonism mediated by the 'Stachel sequence' of the β subunit has been proposed to have central roles in aGPCR activation. Here we present three cryo-electron microscopy structures of aGPCRs coupled to the G heterotrimer. Two of these aGPCRs are activated by tethered Stachel sequences-the ADGRG2-β-G complex and the ADGRG4-β-G complex (in which β indicates the β subunit of the aGPCR)-and the other is the full-length ADGRG2 in complex with the exogenous ADGRG2 Stachel-sequence-derived peptide agonist IP15 (ADGRG2(FL)-IP15-G). The Stachel sequences of both ADGRG2-β and ADGRG4-β assume a U shape and insert deeply into the seven-transmembrane bundles. Constituting the FXφφφXφ motif (in which φ represents a hydrophobic residue), five residues of ADGRG2-β or ADGRG4-β extend like fingers to mediate binding to the seven-transmembrane domain and activation of the receptor. The structure of the ADGRG2(FL)-IP15-G complex reveals the structural basis for the improved binding affinity of IP15 compared with VPM-p15 and indicates that rational design of peptidic agonists could be achieved by exploiting aGPCR-β structures. By converting the 'finger residues' to acidic residues, we develop a method to generate peptidic antagonists towards several aGPCRs. Collectively, our study provides structural and biochemical insights into the tethered activation mechanism of aGPCRs. | |||||||||
履歴 |
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-構造の表示
添付画像 |
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-ダウンロードとリンク
-EMDBアーカイブ
マップデータ | emd_32837.map.gz | 7.5 MB | EMDBマップデータ形式 | |
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ヘッダ (付随情報) | emd-32837-v30.xml emd-32837.xml | 19.8 KB 19.8 KB | 表示 表示 | EMDBヘッダ |
画像 | emd_32837.png | 28 KB | ||
アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-32837 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-32837 | HTTPS FTP |
-検証レポート
文書・要旨 | emd_32837_validation.pdf.gz | 472.7 KB | 表示 | EMDB検証レポート |
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文書・詳細版 | emd_32837_full_validation.pdf.gz | 472.2 KB | 表示 | |
XML形式データ | emd_32837_validation.xml.gz | 4.6 KB | 表示 | |
CIF形式データ | emd_32837_validation.cif.gz | 5.3 KB | 表示 | |
アーカイブディレクトリ | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-32837 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-32837 | HTTPS FTP |
-関連構造データ
-リンク
EMDBのページ | EMDB (EBI/PDBe) / EMDataResource |
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「今月の分子」の関連する項目 |
-マップ
ファイル | ダウンロード / ファイル: emd_32837.map.gz / 形式: CCP4 / 大きさ: 8 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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注釈 | Cryo-EM structure of the ADGRG4-beta-Gs complex | ||||||||||||||||||||||||||||||||||||
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: 1.5 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
-試料の構成要素
+全体 : Cryo-EM structure of the ADGR4-beta-Gs complex
+超分子 #1: Cryo-EM structure of the ADGR4-beta-Gs complex
+超分子 #2: Gs
+超分子 #3: scFv16
+超分子 #4: Nanobody-35
+分子 #1: mini-Gs
+分子 #2: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
+分子 #3: Adhesion G-protein coupled receptor G4,Uncharacterized protein
+分子 #4: scFv16
+分子 #5: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
+分子 #6: Nanobody-35
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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解析 | 単粒子再構成法 |
試料の集合状態 | particle |
-試料調製
緩衝液 | pH: 7.5 |
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凍結 | 凍結剤: ETHANE |
-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 K2 SUMMIT (4k x 4k) 平均電子線量: 64.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: FIELD EMISSION GUN |
電子光学系 | 照射モード: SPOT SCAN / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 2.5 µm / 最小 デフォーカス(公称値): 1.0 µm |
実験機器 | モデル: Titan Krios / 画像提供: FEI Company |
-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: 3.3 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 使用した粒子像数: 619803 |
初期 角度割当 | タイプ: ANGULAR RECONSTITUTION |
最終 角度割当 | タイプ: ANGULAR RECONSTITUTION |