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基本情報
登録情報 | データベース: EMDB / ID: EMD-7835 | |||||||||
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タイトル | Cryo-EM structure of the human adenosine A1 receptor-Gi2-protein complex bound to its endogenous agonist | |||||||||
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![]() | signaling protein / membrane protein / active-state G protein-coupled receptor / adenosine A1 receptor | |||||||||
機能・相同性 | ![]() positive regulation of nucleoside transport / negative regulation of neurotrophin production / negative regulation of circadian sleep/wake cycle, non-REM sleep / regulation of glomerular filtration / purine nucleoside binding / positive regulation of peptide secretion / negative regulation of mucus secretion / negative regulation of glutamate secretion / negative regulation of long-term synaptic depression / Muscarinic acetylcholine receptors ...positive regulation of nucleoside transport / negative regulation of neurotrophin production / negative regulation of circadian sleep/wake cycle, non-REM sleep / regulation of glomerular filtration / purine nucleoside binding / positive regulation of peptide secretion / negative regulation of mucus secretion / negative regulation of glutamate secretion / negative regulation of long-term synaptic depression / Muscarinic acetylcholine receptors / G protein-coupled acetylcholine receptor activity / positive regulation of lipid catabolic process / negative regulation of synaptic transmission, GABAergic / negative regulation of adenylate cyclase-activating adrenergic receptor signaling pathway / negative regulation of hormone secretion / negative regulation of leukocyte migration / mucus secretion / heterotrimeric G-protein binding / positive regulation of dephosphorylation / regulation of respiratory gaseous exchange by nervous system process / Adenosine P1 receptors / G protein-coupled adenosine receptor activity / regulation of sensory perception of pain / regulation of presynaptic cytosolic calcium ion concentration / negative regulation of calcium ion-dependent exocytosis / adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathway / response to purine-containing compound / G protein-coupled adenosine receptor signaling pathway / negative regulation of adenylate cyclase activity / positive regulation of urine volume / positive regulation of potassium ion transport / positive regulation of neural precursor cell proliferation / negative regulation of synaptic transmission / negative regulation of synaptic transmission, glutamatergic / negative regulation of systemic arterial blood pressure / regulation of cardiac muscle cell contraction / triglyceride homeostasis / protein targeting to membrane / long-term synaptic depression / gamma-aminobutyric acid signaling pathway / leukocyte migration / regulation of locomotion / temperature homeostasis / neuronal dense core vesicle / positive regulation of systemic arterial blood pressure / negative regulation of acute inflammatory response / detection of temperature stimulus involved in sensory perception of pain / presynaptic active zone / negative regulation of apoptotic signaling pathway / regulation of calcium ion transport / negative regulation of long-term synaptic potentiation / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / asymmetric synapse / axolemma / phagocytosis / fatty acid homeostasis / negative regulation of lipid catabolic process / Adenylate cyclase inhibitory pathway / lipid catabolic process / positive regulation of vascular associated smooth muscle cell proliferation / heat shock protein binding / response to nutrient / calyx of Held / hippocampal mossy fiber to CA3 synapse / positive regulation of superoxide anion generation / excitatory postsynaptic potential / Regulation of insulin secretion / apoptotic signaling pathway / G protein-coupled receptor binding / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / terminal bouton / G-protein beta/gamma-subunit complex binding / cognition / 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 / adenylate cyclase-activating G protein-coupled 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 / 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 / Sensory perception of sweet, bitter, and umami (glutamate) taste / 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 / vasodilation / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / ADP signalling through P2Y purinoceptor 1 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: 3.6 Å | |||||||||
![]() | Draper-Joyce CJ / Khoshouei M | |||||||||
![]() | ![]() タイトル: Structure of the adenosine-bound human adenosine A receptor-G complex. 著者: Christopher J Draper-Joyce / Maryam Khoshouei / David M Thal / Yi-Lynn Liang / Anh T N Nguyen / Sebastian G B Furness / Hariprasad Venugopal / Jo-Anne Baltos / Jürgen M Plitzko / Radostin ...著者: Christopher J Draper-Joyce / Maryam Khoshouei / David M Thal / Yi-Lynn Liang / Anh T N Nguyen / Sebastian G B Furness / Hariprasad Venugopal / Jo-Anne Baltos / Jürgen M Plitzko / Radostin Danev / Wolfgang Baumeister / Lauren T May / Denise Wootten / Patrick M Sexton / Alisa Glukhova / Arthur Christopoulos / ![]() ![]() ![]() ![]() 要旨: The class A adenosine A receptor (AR) is a G-protein-coupled receptor that preferentially couples to inhibitory G heterotrimeric G proteins, has been implicated in numerous diseases, yet remains ...The class A adenosine A receptor (AR) is a G-protein-coupled receptor that preferentially couples to inhibitory G heterotrimeric G proteins, has been implicated in numerous diseases, yet remains poorly targeted. Here we report the 3.6 Å structure of the human AR in complex with adenosine and heterotrimeric G protein determined by Volta phase plate cryo-electron microscopy. Compared to inactive AR, there is contraction at the extracellular surface in the orthosteric binding site mediated via movement of transmembrane domains 1 and 2. At the intracellular surface, the G protein engages the AR primarily via amino acids in the C terminus of the Gα α5-helix, concomitant with a 10.5 Å outward movement of the AR transmembrane domain 6. Comparison with the agonist-bound β adrenergic receptor-G-protein complex reveals distinct orientations for each G-protein subtype upon engagement with its receptor. This active AR structure provides molecular insights into receptor and G-protein selectivity. | |||||||||
履歴 |
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構造の表示
ムービー |
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構造ビューア | EMマップ: ![]() ![]() ![]() |
添付画像 |
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マップデータ | ![]() | 3.3 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 15.4 KB 15.4 KB | 表示 表示 | ![]() |
画像 | ![]() | 121.8 KB | ||
Filedesc metadata | ![]() | 6.3 KB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
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「今月の分子」の関連する項目 |
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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: 1.06 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
詳細 | EMDB XML:
CCP4マップ ヘッダ情報:
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試料の構成要素
-全体 : Human adenosine A1 receptor-Gi2-protein complex bound to its endo...
全体 | 名称: Human adenosine A1 receptor-Gi2-protein complex bound to its endogenous agonist adenosine |
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要素 |
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-超分子 #1: Human adenosine A1 receptor-Gi2-protein complex bound to its endo...
超分子 | 名称: Human adenosine A1 receptor-Gi2-protein complex bound to its endogenous agonist adenosine タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#4 |
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由来(天然) | 生物種: ![]() |
-分子 #1: Guanine nucleotide-binding protein G(i) subunit alpha-2
分子 | 名称: Guanine nucleotide-binding protein G(i) subunit alpha-2 タイプ: protein_or_peptide / ID: 1 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 40.502863 KDa |
組換発現 | 生物種: ![]() |
配列 | 文字列: MGCTVSAEDK AAAERSKMID KNLREDGEKA AREVKLLLLG AGESGKNTIV KQMKIIHEDG YSEEECRQYR AVVYSNTIQS IMAIVKAMG NLQIDFADPS RADDARQLFA LSCTAEEQGV LPDDLSGVIR RLWADHGVQA CFGRSREYQL NDSAAYYLND L ERIAQSDY ...文字列: MGCTVSAEDK AAAERSKMID KNLREDGEKA AREVKLLLLG AGESGKNTIV KQMKIIHEDG YSEEECRQYR AVVYSNTIQS IMAIVKAMG NLQIDFADPS RADDARQLFA LSCTAEEQGV LPDDLSGVIR RLWADHGVQA CFGRSREYQL NDSAAYYLND L ERIAQSDY IPTQQDVLRT RVKTTGIVET HFTFKDLHFK MFDVGAQRSE RKKWIHCFEG VTAIIFCVAL SAYDLVLAED EE MNRMHAS MKLFDSICNN KWFTDTSIIL FLNKKDLFEE KITHSPLTIC FPEYTGANKY DEAASYIQSK FEDLNKRKDT KEI YTHFTC STDTKNVQFV FDAVTDVIIK NNLKDCGLF UniProtKB: Guanine nucleotide-binding protein G(i) subunit alpha-2 |
-分子 #2: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
分子 | 名称: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 タイプ: protein_or_peptide / ID: 2 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 38.534062 KDa |
組換発現 | 生物種: ![]() |
配列 | 文字列: MHHHHHHGSS GSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKL IIWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC R FLDDNQIV ...文字列: MHHHHHHGSS GSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKL IIWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC R FLDDNQIV TSSGDTTCAL WDIETGQQTT TFTGHTGDVM SLSLAPDTRL FVSGACDASA KLWDVREGMC RQTFTGHESD IN AICFFPN GNAFATGSDD ATCRLFDLRA DQELMTYSHD NIICGITSVS FSKSGRLLLA GYDDFNCNVW DALKADRAGV LAG HDNRVS CLGVTDDGMA VATGSWDSFL KIWN UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 |
-分子 #3: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
分子 | 名称: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 タイプ: protein_or_peptide / ID: 3 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 7.861143 KDa |
組換発現 | 生物種: ![]() |
配列 | 文字列: MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFCAI L UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 |
-分子 #4: Chimera protein of Muscarinic acetylcholine receptor M4 and Adeno...
分子 | 名称: Chimera protein of Muscarinic acetylcholine receptor M4 and Adenosine receptor A1 タイプ: protein_or_peptide / ID: 4 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 43.537309 KDa |
組換発現 | 生物種: ![]() |
配列 | 文字列: MKTIIALSYI FCLVFADYKD DDDAMGANFT PVNGSSGNQS VRLVTSSSLE VLFQGPPPSI SAFQAAYIGI EVLIALVSVP GNVLVIWAV KVNQALRDAT FCFIVSLAVA DVAVGALVIP LAILINIGPQ TYFHTCLMVA CPVLILTQSS ILALLAIAVD R YLRVKIPL ...文字列: MKTIIALSYI FCLVFADYKD DDDAMGANFT PVNGSSGNQS VRLVTSSSLE VLFQGPPPSI SAFQAAYIGI EVLIALVSVP GNVLVIWAV KVNQALRDAT FCFIVSLAVA DVAVGALVIP LAILINIGPQ TYFHTCLMVA CPVLILTQSS ILALLAIAVD R YLRVKIPL RYKMVVTPRR AAVAIAGCWI LSFVVGLTPM FGWNNLSAVE RAWAANGSMG EPVIKCEFEK VISMEYMVYF NF FVWVLPP LLLMVLIYLE VFYLIRKQLN KKVSASSGDP QKYYGKELKI AKSLALILFL FALSWLPLHI LNCITLFCPS CHK PSILTY IAIFLTHGNS AMNPIVYAFR IQKFRVTFLK IWNDHFRCQP APPIDEDLPE ERPDDHHHHH HHH UniProtKB: Muscarinic acetylcholine receptor M4, Adenosine receptor A1 |
-分子 #5: ADENOSINE
分子 | 名称: ADENOSINE / タイプ: ligand / ID: 5 / コピー数: 1 / 式: ADN |
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分子量 | 理論値: 267.241 Da |
Chemical component information | ![]() ChemComp-ADN: |
-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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グリッド | モデル: Quantifoil R1.2/1.3 / 材質: COPPER / メッシュ: 200 / 前処理 - タイプ: GLOW DISCHARGE |
凍結 | 凍結剤: ETHANE-PROPANE / チャンバー内湿度: 100 % / チャンバー内温度: 277 K / 装置: FEI VITROBOT MARK IV |
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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 K2 SUMMIT (4k x 4k) 検出モード: COUNTING / デジタル化 - サイズ - 横: 3838 pixel / デジタル化 - サイズ - 縦: 3710 pixel / 平均露光時間: 8.0 sec. / 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 | C2レンズ絞り径: 50.0 µm / 倍率(補正後): 47170 / 照射モード: OTHER / 撮影モード: BRIGHT FIELD |
試料ステージ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER ホルダー冷却材: NITROGEN |
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: OTHER |
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最終 再構成 | 想定した対称性 - 点群: C1 (非対称) / 解像度のタイプ: BY AUTHOR / 解像度: 3.6 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 使用した粒子像数: 263321 |
初期 角度割当 | タイプ: COMMON LINE |
最終 角度割当 | タイプ: PROJECTION MATCHING |