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基本情報
登録情報 | ![]() | |||||||||
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タイトル | Molecular mechanism of the the wake-promoting agent TAK-925 | |||||||||
![]() | Molecular mechanism of the the wake-promoting agent TAK-925 | |||||||||
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機能・相同性 | ![]() circadian sleep/wake cycle process / orexin receptor activity / feeding behavior / 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 activation / G protein-coupled acetylcholine receptor signaling pathway ...circadian sleep/wake cycle process / orexin receptor activity / feeding behavior / 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 activation / G protein-coupled acetylcholine receptor signaling pathway / 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 / ADP signalling through P2Y purinoceptor 12 / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Sensory perception of sweet, bitter, and umami (glutamate) taste / photoreceptor disc membrane / Adrenaline,noradrenaline inhibits insulin secretion / Glucagon-type ligand receptors / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / cellular response to catecholamine stimulus / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / ADORA2B mediated anti-inflammatory cytokines production / sensory perception of taste / ADP signalling through P2Y purinoceptor 1 / adenylate cyclase-activating dopamine receptor signaling pathway / G beta:gamma signalling through PI3Kgamma / cellular response to prostaglandin E stimulus / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / G-protein beta-subunit binding / Inactivation, recovery and regulation of the phototransduction cascade / 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 / phospholipase C-activating G protein-coupled receptor signaling pathway / Ca2+ pathway / G alpha (i) signalling events / fibroblast proliferation / G alpha (s) signalling events / G alpha (q) signalling events / cell population proliferation / Ras protein signal transduction / Extra-nuclear estrogen signaling / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / synapse / protein-containing complex binding / signal transduction / extracellular exosome / membrane / plasma membrane / cytoplasm / cytosol 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: 3.3 Å | |||||||||
![]() | Yin J / Chapman K / Lian P / De Brabander JK / Rosenbaum DM | |||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Molecular mechanism of the wake-promoting agent TAK-925. 著者: Jie Yin / Yanyong Kang / Aaron P McGrath / Karen Chapman / Megan Sjodt / Eiji Kimura / Atsutoshi Okabe / Tatsuki Koike / Yuhei Miyanohana / Yuji Shimizu / Rameshu Rallabandi / Peng Lian / ...著者: Jie Yin / Yanyong Kang / Aaron P McGrath / Karen Chapman / Megan Sjodt / Eiji Kimura / Atsutoshi Okabe / Tatsuki Koike / Yuhei Miyanohana / Yuji Shimizu / Rameshu Rallabandi / Peng Lian / Xiaochen Bai / Mack Flinspach / Jef K De Brabander / Daniel M Rosenbaum / ![]() ![]() ![]() 要旨: The OX orexin receptor (OXR) is a highly expressed G protein-coupled receptor (GPCR) in the brain that regulates wakefulness and circadian rhythms in humans. Antagonism of OXR is a proven therapeutic ...The OX orexin receptor (OXR) is a highly expressed G protein-coupled receptor (GPCR) in the brain that regulates wakefulness and circadian rhythms in humans. Antagonism of OXR is a proven therapeutic strategy for insomnia drugs, and agonism of OXR is a potentially powerful approach for narcolepsy type 1, which is characterized by the death of orexinergic neurons. Until recently, agonism of OXR had been considered 'undruggable.' We harness cryo-electron microscopy of OXR-G protein complexes to determine how the first clinically tested OXR agonist TAK-925 can activate OXR in a highly selective manner. Two structures of TAK-925-bound OXR with either a G mimetic or G reveal that TAK-925 binds at the same site occupied by antagonists, yet interacts with the transmembrane helices to trigger activating microswitches. Our structural and mutagenesis data show that TAK-925's selectivity is mediated by subtle differences between OX and OX receptor subtypes at the orthosteric pocket. Finally, differences in the polarity of interactions at the G protein binding interfaces help to rationalize OXR's coupling selectivity for G signaling. The mechanisms of TAK-925's binding, activation, and selectivity presented herein will aid in understanding the efficacy of small molecule OXR agonists for narcolepsy and other circadian disorders. | |||||||||
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-検証レポート
文書・要旨 | ![]() | 510.6 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 510.1 KB | 表示 | |
XML形式データ | ![]() | 9.8 KB | 表示 | |
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-関連構造データ
関連構造データ | ![]() 7sr8MC ![]() 7sqoC C: 同じ文献を引用 ( M: このマップから作成された原子モデル |
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類似構造データ | 類似検索 - 機能・相同性 ![]() |
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EMDBのページ | ![]() ![]() |
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「今月の分子」の関連する項目 |
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注釈 | Molecular mechanism of the the wake-promoting agent TAK-925 | ||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 1.08 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 : Human orexin receptor 2 - G protein complex
全体 | 名称: Human orexin receptor 2 - G protein complex |
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要素 |
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-超分子 #1: Human orexin receptor 2 - G protein complex
超分子 | 名称: Human orexin receptor 2 - G protein complex / タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#5 |
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由来(天然) | 生物種: ![]() |
組換発現 | 生物種: ![]() ![]() |
-分子 #1: a modified Guanine nucleotide-binding protein G(q) subunit alpha
分子 | 名称: a modified Guanine nucleotide-binding protein G(q) subunit alpha 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: 27.638461 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MGSTLSAEDK AAVERSKMID RNLREDGEKA RRTLRLLLLG ADNSGKSTIV KQMRILHTSG IFETKFQVDK VNFHMFDVGG QRDERRKWI QCFNDVTAII FVVDSSDYNR LQEALNDFKS IWNNRWLRTI SVILFLNKQD LLAEKVLAGK SKIEDYFPEF A RYTTPEDA ...文字列: MGSTLSAEDK AAVERSKMID RNLREDGEKA RRTLRLLLLG ADNSGKSTIV KQMRILHTSG IFETKFQVDK VNFHMFDVGG QRDERRKWI QCFNDVTAII FVVDSSDYNR LQEALNDFKS IWNNRWLRTI SVILFLNKQD LLAEKVLAGK SKIEDYFPEF A RYTTPEDA TPEPGEDPRV TRAKYFIRKE FVDISTASGD GRHICYPHFT CAVDTENARR IFNDCKDIIL QMNLREYNLV |
-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: 37.41693 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL ...文字列: MSELDQLRQE AEQLKNQIRD ARKACADATL SQITNNIDPV GRIQMRTRRT LRGHLAKIYA MHWGTDSRLL VSASQDGKLI IWDSYTTNK VHAIPLRSSW VMTCAYAPSG NYVACGGLDN ICSIYNLKTR EGNVRVSREL AGHTGYLSCC RFLDDNQIVT S SGDTTCAL WDIETGQQTT TFTGHTGDVM SLSLAPDTRL FVSGACDASA KLWDVREGMC RQTFTGHESD INAICFFPNG NA FATGSDD ATCRLFDLRA DQELMTYSHD NIICGITSVS FSKSGRLLLA GYDDFNCNVW DALKADRAGV LAGHDNRVSC LGV TDDGMA VATGSWDSFL KIWN |
-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: 9.137474 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MGHHHHHHHH GGASNNTASI AQARKLVEQL KMEANIDRIK VSKAAADLMA YCEAHAKEDP LLTPVPASEN PFREKKFFCA IL |
-分子 #4: scFv16
分子 | 名称: scFv16 / 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: 27.784896 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS ...文字列: DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPDRFSGSGS GTAFTLTISR LEAEDVGVYY CMQHLEYPLT FG AGTKLEL KAAAHHHHHH HH |
-分子 #5: Hypocretin receptor type 2
分子 | 名称: Hypocretin receptor type 2 / タイプ: protein_or_peptide / ID: 5 / 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: 46.848031 KDa |
組換発現 | 生物種: ![]() ![]() |
配列 | 文字列: MGTKLEDSPP CRNWSSASEL NETQEPFLNP TDYDDEEFLR YLWREYLHPK EYEWVLIAGY IIVFVVALIG NVLVCVAVWK NHHMRTVTN YFIVNLSLAD VLVTITCLPA TLVVDITETW FFGQSLCKVI PYLQTVSVSV SVLTLSCIAL DRWYAICHPL M FKSTAKRA ...文字列: MGTKLEDSPP CRNWSSASEL NETQEPFLNP TDYDDEEFLR YLWREYLHPK EYEWVLIAGY IIVFVVALIG NVLVCVAVWK NHHMRTVTN YFIVNLSLAD VLVTITCLPA TLVVDITETW FFGQSLCKVI PYLQTVSVSV SVLTLSCIAL DRWYAICHPL M FKSTAKRA RNSIVIIWIV SCIIMIPQAI VMECSTVFPG LANKTTLFTV CDERWGGEIY PKMYHICFFL VTYMAPLCLM VL AYLQIFR KLWCRQIPGT SSVVQRKWKP LQPVSQPRGP GQPTKSRMSA VAAEIKQIRA RRKTARMLMV VLLVFAICYL PIS ILNVLK RVFGMFAHTE DRETVYAWFT FSHWLVYANS AANPIIYNFL SGKFREEFKA AFSCCCLGVH HRQEDRLTRG RTST ESRKS LT |
-分子 #6: methyl (2R,3S)-3-[(methanesulfonyl)amino]-2-({[(1s,4S)-4-phenylcy...
分子 | 名称: methyl (2R,3S)-3-[(methanesulfonyl)amino]-2-({[(1s,4S)-4-phenylcyclohexyl]oxy}methyl)piperidine-1-carboxylate タイプ: ligand / ID: 6 / コピー数: 1 / 式: A6F |
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分子量 | 理論値: 424.554 Da |
Chemical component information | ![]() ChemComp-A6F: |
-分子 #7: OLEIC ACID
分子 | 名称: OLEIC ACID / タイプ: ligand / ID: 7 / コピー数: 4 / 式: OLA |
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分子量 | 理論値: 282.461 Da |
Chemical component information | ![]() ChemComp-OLA: |
-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: 7.4 |
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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 BIOQUANTUM (6k 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: ![]() |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |