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データを開く
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基本情報
| 登録情報 | ![]() | |||||||||
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| タイトル | Cryo-EM structure of thehydroxycarboxylic acid receptor 2-Gi protein complex bound MK-6892 | |||||||||
マップデータ | ||||||||||
試料 |
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キーワード | hydroxycarboxylic acid receptor 2 / GPCR / niacin / MK-6892 / GSK256073 / MEMBRANE PROTEIN / MEMBRANE PROTEIN-IMMUNE SYSTEM complex | |||||||||
| 機能・相同性 | 機能・相同性情報nicotinic acid receptor activity / neutrophil apoptotic process / Hydroxycarboxylic acid-binding receptors / positive regulation of neutrophil apoptotic process / Class A/1 (Rhodopsin-like receptors) / positive regulation of adiponectin secretion / negative regulation of lipid catabolic process / adenylate cyclase inhibitor activity / positive regulation of protein localization to cell cortex / Adenylate cyclase inhibitory pathway ...nicotinic acid receptor activity / neutrophil apoptotic process / Hydroxycarboxylic acid-binding receptors / positive regulation of neutrophil apoptotic process / Class A/1 (Rhodopsin-like receptors) / positive regulation of adiponectin secretion / negative regulation of lipid catabolic process / adenylate cyclase inhibitor activity / positive regulation of protein localization to cell cortex / Adenylate cyclase inhibitory pathway / T cell migration / D2 dopamine receptor binding / response to prostaglandin E / adenylate cyclase regulator activity / G protein-coupled serotonin receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / cellular response to forskolin / regulation of mitotic spindle organization / Regulation of insulin secretion / positive regulation of cholesterol biosynthetic process / negative regulation of insulin secretion / G protein-coupled receptor binding / response to peptide hormone / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / centriolar satellite / 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 / 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 / GDP binding / 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 / cell junction / 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 / G protein activity / GTPase binding / Ca2+ pathway / fibroblast proliferation / midbody / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / cell cortex / G alpha (i) signalling events / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / 加水分解酵素; 酸無水物に作用; GTPに作用・細胞または細胞小器官の運動に関与 / Ras protein signal transduction / Extra-nuclear estrogen signaling / cell population proliferation / ciliary basal body / G protein-coupled receptor signaling pathway / lysosomal membrane / cell division / GTPase activity / synapse / centrosome / GTP binding / protein-containing complex binding / nucleolus / magnesium ion binding / Golgi apparatus / signal transduction / extracellular exosome / nucleoplasm / membrane / plasma membrane 類似検索 - 分子機能 | |||||||||
| 生物種 | Homo sapiens (ヒト) | |||||||||
| 手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 2.92 Å | |||||||||
データ登録者 | Yuan Q / Zhu S / Duan J / Xu HE / Duan X | |||||||||
| 資金援助 | 中国, 2件
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引用 | ジャーナル: Cell Rep / 年: 2023タイトル: Molecular recognition of niacin and lipid-lowering drugs by the human hydroxycarboxylic acid receptor 2. 著者: Shengnan Zhu / Qingning Yuan / Xinzhu Li / Xinheng He / Shiyi Shen / Dongxue Wang / Junrui Li / Xi Cheng / Xiaoqun Duan / H Eric Xu / Jia Duan / ![]() 要旨: Niacin, an age-old lipid-lowering drug, acts through the hydroxycarboxylic acid receptor 2 (HCAR2), a G-protein-coupled receptor (GPCR). Yet, its use is hindered by side effects like skin flushing. ...Niacin, an age-old lipid-lowering drug, acts through the hydroxycarboxylic acid receptor 2 (HCAR2), a G-protein-coupled receptor (GPCR). Yet, its use is hindered by side effects like skin flushing. To address this, specific HCAR2 agonists, like MK-6892 and GSK256073, with fewer adverse effects have been created. However, the activation mechanism of HCAR2 by niacin and these new agonists is not well understood. Here, we present three cryoelectron microscopy structures of Gi-coupled HCAR2 bound to niacin, MK-6892, and GSK256073. Our findings show that different ligands induce varying binding pockets in HCAR2, influenced by aromatic amino acid clusters (W91, H161, W188, H189, and F193) from receptors ECL1, TM4, and TM5. Additionally, conserved residues R111 and Y284, unique to the HCA receptor family, likely initiate activation signal propagation in HCAR2. This study provides insights into ligand recognition, receptor activation, and G protein coupling mediated by HCAR2, laying the groundwork for developing HCAR2-targeted drugs. | |||||||||
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構造の表示
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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_36005.map.gz | 7.1 MB | EMDBマップデータ形式 | |
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| ヘッダ (付随情報) | emd-36005-v30.xml emd-36005.xml | 21.5 KB 21.5 KB | 表示 表示 | EMDBヘッダ |
| 画像 | emd_36005.png | 83.9 KB | ||
| Filedesc metadata | emd-36005.cif.gz | 6.9 KB | ||
| その他 | emd_36005_half_map_1.map.gz emd_36005_half_map_2.map.gz | 49.6 MB 49.6 MB | ||
| アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-36005 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-36005 | HTTPS FTP |
-検証レポート
| 文書・要旨 | emd_36005_validation.pdf.gz | 779.7 KB | 表示 | EMDB検証レポート |
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| 文書・詳細版 | emd_36005_full_validation.pdf.gz | 779.3 KB | 表示 | |
| XML形式データ | emd_36005_validation.xml.gz | 12.2 KB | 表示 | |
| CIF形式データ | emd_36005_validation.cif.gz | 14.4 KB | 表示 | |
| アーカイブディレクトリ | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-36005 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-36005 | HTTPS FTP |
-関連構造データ
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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 |
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マップ
| ファイル | ダウンロード / ファイル: emd_36005.map.gz / 形式: CCP4 / 大きさ: 64 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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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: 0.824 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
-ハーフマップ: #1
| ファイル | emd_36005_half_map_1.map | ||||||||||||
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| 投影像・断面図 |
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| 密度ヒストグラム |
-ハーフマップ: #2
| ファイル | emd_36005_half_map_2.map | ||||||||||||
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| 投影像・断面図 |
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| 密度ヒストグラム |
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試料の構成要素
-全体 : complex of hydroxycarboxylic acid receptor 2 with MK-6892
| 全体 | 名称: complex of hydroxycarboxylic acid receptor 2 with MK-6892 |
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| 要素 |
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-超分子 #1: complex of hydroxycarboxylic acid receptor 2 with MK-6892
| 超分子 | 名称: complex of hydroxycarboxylic acid receptor 2 with MK-6892 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: Homo sapiens (ヒト) |
-分子 #1: Hydroxycarboxylic acid receptor 2
| 分子 | 名称: Hydroxycarboxylic acid receptor 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: Homo sapiens (ヒト) |
| 分子量 | 理論値: 36.363391 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: MNRHHLQDHF LEIDKKNCCV FRDDFIVKVL PPVLGLEFIF GLLGNGLALW IFCFHLKSWK SSRIFLFNLA VADFLLIICL PFLMDNYVR RWDWKFGDIP CRLMLFMLAM NRQGSIIFLT VVAVDRYFRV VHPHHALNKI SNRTAAIISC LLWGITIGLT V HLLKKKMP ...文字列: MNRHHLQDHF LEIDKKNCCV FRDDFIVKVL PPVLGLEFIF GLLGNGLALW IFCFHLKSWK SSRIFLFNLA VADFLLIICL PFLMDNYVR RWDWKFGDIP CRLMLFMLAM NRQGSIIFLT VVAVDRYFRV VHPHHALNKI SNRTAAIISC LLWGITIGLT V HLLKKKMP IQNGGANLCS SFSICHTFQW HEAMFLLEFF LPLGIILFCS ARIIWSLRQR QMDRHAKIKR AITFIMVVAI VF VICFLPS VVVRIRIFWL LHTSGTQNCE VYRSVDLAFF ITLSFTYMNS MLDPVVYYFS SPSFPNFFST LINR UniProtKB: Hydroxycarboxylic acid receptor 2 |
-分子 #2: Guanine nucleotide-binding protein G(i) subunit alpha-1
| 分子 | 名称: Guanine nucleotide-binding protein G(i) subunit alpha-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: Homo sapiens (ヒト) |
| 分子量 | 理論値: 40.445059 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: MGCTLSAEDK AAVERSKMID RNLREDGEKA AREVKLLLLG AGESGKSTIV KQMKIIHEAG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI ...文字列: MGCTLSAEDK AAVERSKMID RNLREDGEKA AREVKLLLLG AGESGKSTIV KQMKIIHEAG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI PTQQDVLRTR VKTTGIVETH FTFKDLHFKM FDVGAQRSER KKWIHCFEGV TAIIFCVALS DYDLVLAEDE EM NRMHESM KLFDSICNNK WFTDTSIILF LNKKDLFEEK IKKSPLTICY PEYAGSNTYE EAAAYIQCQF EDLNKRKDTK EIY THFTCS TDTKNVQFVF DAVTDVIIKN NLKDCGLF UniProtKB: Guanine nucleotide-binding protein G(i) subunit alpha-1 |
-分子 #3: 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: 3 / コピー数: 1 / 光学異性体: LEVO |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 37.285734 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: SELDQLRQEA EQLKNQIRDA RKACADATLS QITNNIDPVG RIQMRTRRTL RGHLAKIYAM HWGTDSRLLV SASQDGKLII WDSYTTNKV HAIPLRSSWV MTCAYAPSGN YVACGGLDNI CSIYNLKTRE GNVRVSRELA GHTGYLSCCR FLDDNQIVTS S GDTTCALW ...文字列: SELDQLRQEA EQLKNQIRDA RKACADATLS QITNNIDPVG RIQMRTRRTL RGHLAKIYAM HWGTDSRLLV SASQDGKLII WDSYTTNKV HAIPLRSSWV MTCAYAPSGN YVACGGLDNI CSIYNLKTRE GNVRVSRELA GHTGYLSCCR FLDDNQIVTS S GDTTCALW DIETGQQTTT FTGHTGDVMS LSLAPDTRLF VSGACDASAK LWDVREGMCR QTFTGHESDI NAICFFPNGN AF ATGSDDA TCRLFDLRAD QELMTYSHDN IICGITSVSF SKSGRLLLAG YDDFNCNVWD ALKADRAGVL AGHDNRVSCL GVT DDGMAV ATGSWDSFLK IWN UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 |
-分子 #4: 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: 4 / コピー数: 1 / 光学異性体: LEVO |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 分子量 | 理論値: 6.218162 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: SIAQARKLVE QLKMEANIDR IKVSKAAADL MAYCEAHAKE DPLLTPVPAS ENPFRE UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 |
-分子 #5: Scfv16
| 分子 | 名称: Scfv16 / 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: Homo sapiens (ヒト) |
| 分子量 | 理論値: 26.277299 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: VQLVESGGGL VQPGGSRKLS CSASGFAFSS FGMHWVRQAP EKGLEWVAYI SSGSGTIYYA DTVKGRFTIS RDDPKNTLFL QMTSLRSED TAMYYCVRSI YYYGSSPFDF WGQGTTLTVS AGGGGSGGGG SGGGGSADIV MTQATSSVPV TPGESVSISC R SSKSLLHS ...文字列: VQLVESGGGL VQPGGSRKLS CSASGFAFSS FGMHWVRQAP EKGLEWVAYI SSGSGTIYYA DTVKGRFTIS RDDPKNTLFL QMTSLRSED TAMYYCVRSI YYYGSSPFDF WGQGTTLTVS AGGGGSGGGG SGGGGSADIV MTQATSSVPV TPGESVSISC R SSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPDRFSGSGS GTAFTLTISR LEAEDVGVYY CMQHLEYPLT FG AGTKLEL |
-分子 #6: 2-[[2,2-dimethyl-3-[3-(5-oxidanylpyridin-2-yl)-1,2,4-oxadiazol-5-...
| 分子 | 名称: 2-[[2,2-dimethyl-3-[3-(5-oxidanylpyridin-2-yl)-1,2,4-oxadiazol-5-yl]propanoyl]amino]cyclohexene-1-carboxylic acid タイプ: ligand / ID: 6 / コピー数: 1 / 式: FI7 |
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| 分子量 | 理論値: 386.402 Da |
| Chemical component information | ![]() ChemComp-FI7: |
-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 |
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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: 50.0 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: FLOOD BEAM / 撮影モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 18.0 µm / 最小 デフォーカス(公称値): 8.0 µm |
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
ムービー
コントローラー
万見について




キーワード
Homo sapiens (ヒト)
データ登録者
中国, 2件
引用
































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Y (Row.)
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解析
FIELD EMISSION GUN
