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データを開く
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基本情報
| 登録情報 | データベース: EMDB / ID: EMD-30627 | |||||||||
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| タイトル | human melatonin receptor MT1 - Gi1 complex | |||||||||
マップデータ | ||||||||||
試料 |
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キーワード | gpcr / g-protein / complex / signaling protein | |||||||||
| 機能・相同性 | 機能・相同性情報melatonin receptor activity / Class A/1 (Rhodopsin-like receptors) / mating behavior / Activation of G protein gated Potassium channels / G-protein activation / G beta:gamma signalling through PI3Kgamma / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through PLC beta / ADP signalling through P2Y purinoceptor 1 / Thromboxane signalling through TP receptor ...melatonin receptor activity / Class A/1 (Rhodopsin-like receptors) / mating behavior / Activation of G protein gated Potassium channels / G-protein activation / G beta:gamma signalling through PI3Kgamma / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through PLC beta / ADP signalling through P2Y purinoceptor 1 / Thromboxane signalling through TP receptor / Presynaptic function of Kainate receptors / G beta:gamma signalling through CDC42 / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G alpha (12/13) signalling events / Glucagon-type ligand receptors / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Adrenaline,noradrenaline inhibits insulin secretion / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Ca2+ pathway / G alpha (z) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / Extra-nuclear estrogen signaling / G alpha (s) signalling events / G alpha (q) signalling events / G alpha (i) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / Vasopressin regulates renal water homeostasis via Aquaporins / hormone binding / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / adenylate cyclase inhibitor activity / positive regulation of protein localization to cell cortex / T cell migration / positive regulation of relaxation of smooth muscle / Adenylate cyclase inhibitory pathway / D2 dopamine receptor binding / adenylate cyclase-inhibiting serotonin receptor signaling pathway / G protein-coupled serotonin receptor binding / cellular response to forskolin / regulation of mitotic spindle organization / chemokine-mediated signaling pathway / Regulation of insulin secretion / neuropeptide signaling pathway / response to prostaglandin E / circadian rhythm / positive regulation of cholesterol biosynthetic process / negative regulation of insulin secretion / G protein-coupled receptor binding / response to peptide hormone / G protein-coupled receptor activity / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / centriolar satellite / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / ADP signalling through P2Y purinoceptor 12 / GDP binding / Adrenaline,noradrenaline inhibits insulin secretion / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / adenylate cyclase-activating dopamine receptor signaling pathway / GPER1 signaling / cellular response to prostaglandin E stimulus / heterotrimeric G-protein complex / G-protein beta-subunit binding / adenylate cyclase-activating G protein-coupled receptor signaling pathway / sperm principal piece / G protein activity / midbody / cell cortex / G alpha (i) signalling events / G alpha (s) 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 / Extra-nuclear estrogen signaling / signaling receptor complex / ciliary basal body / G protein-coupled receptor signaling pathway / cell division / lysosomal membrane / GTPase activity / centrosome / GTP binding / nucleolus / magnesium ion binding / Golgi apparatus / extracellular exosome / nucleoplasm / membrane / plasma membrane / cytoplasm / cytosol 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: 3.3 Å | |||||||||
データ登録者 | Okamoto HH / Kusakizako T | |||||||||
引用 | ジャーナル: Nat Struct Mol Biol / 年: 2021タイトル: Cryo-EM structure of the human MT-G signaling complex. 著者: Hiroyuki H Okamoto / Hirotake Miyauchi / Asuka Inoue / Francesco Raimondi / Hirokazu Tsujimoto / Tsukasa Kusakizako / Wataru Shihoya / Keitaro Yamashita / Ryoji Suno / Norimichi Nomura / ...著者: Hiroyuki H Okamoto / Hirotake Miyauchi / Asuka Inoue / Francesco Raimondi / Hirokazu Tsujimoto / Tsukasa Kusakizako / Wataru Shihoya / Keitaro Yamashita / Ryoji Suno / Norimichi Nomura / Takuya Kobayashi / So Iwata / Tomohiro Nishizawa / Osamu Nureki / ![]() 要旨: Melatonin receptors (MT and MT) transduce inhibitory signaling by melatonin (N-acetyl-5-methoxytryptamine), which is associated with sleep induction and circadian rhythm modulation. Although recently ...Melatonin receptors (MT and MT) transduce inhibitory signaling by melatonin (N-acetyl-5-methoxytryptamine), which is associated with sleep induction and circadian rhythm modulation. Although recently reported crystal structures of ligand-bound MT and MT elucidated the basis of ligand entry and recognition, the ligand-induced MT rearrangement leading to G-coupling remains unclear. Here we report a cryo-EM structure of the human MT-G signaling complex at 3.3 Å resolution, revealing melatonin-induced conformational changes propagated to the G-protein-coupling interface during activation. In contrast to other G-coupled receptors, MT exhibits a large outward movement of TM6, which is considered a specific feature of G-coupled receptors. Structural comparison of G and G complexes demonstrated conformational diversity of the C-terminal entry of the G protein, suggesting loose and variable interactions at the end of the α5 helix of G protein. These notions, together with our biochemical and computational analyses, highlight variable binding modes of Gα and provide the basis for the selectivity of G-protein signaling. | |||||||||
| 履歴 |
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構造の表示
| ムービー |
ムービービューア |
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| 構造ビューア | EMマップ: SurfView Molmil Jmol/JSmol |
| 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_30627.map.gz | 1.2 MB | EMDBマップデータ形式 | |
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| ヘッダ (付随情報) | emd-30627-v30.xml emd-30627.xml | 22 KB 22 KB | 表示 表示 | EMDBヘッダ |
| FSC (解像度算出) | emd_30627_fsc.xml | 5.2 KB | 表示 | FSCデータファイル |
| 画像 | emd_30627.png | 68.8 KB | ||
| Filedesc metadata | emd-30627.cif.gz | 6.9 KB | ||
| その他 | emd_30627_half_map_1.map.gz emd_30627_half_map_2.map.gz | 8.6 MB 8.6 MB | ||
| アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-30627 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-30627 | HTTPS FTP |
-関連構造データ
| 関連構造データ | ![]() 7db6MC M: このマップから作成された原子モデル C: 同じ文献を引用 ( |
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| 類似構造データ | |
| 電子顕微鏡画像生データ | EMPIAR-10714 (タイトル: human melatonin receptor MT1 - Gi1 complex / Data size: 878.0 Data #1: Unaligned movies for MT1-Gi complex [micrographs - multiframe]) |
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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_30627.map.gz / 形式: CCP4 / 大きさ: 11.4 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: 1.44097 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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-添付データ
-ハーフマップ: #1
| ファイル | emd_30627_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_30627_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 : human melatonin receptor MT1 - Gi1 complex
| 全体 | 名称: human melatonin receptor MT1 - Gi1 complex |
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| 要素 |
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-超分子 #1: human melatonin receptor MT1 - Gi1 complex
| 超分子 | 名称: human melatonin receptor MT1 - Gi1 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: Homo sapiens (ヒト) |
-分子 #1: 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: 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: 40.415031 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 FDVGGQRSER KKWIHCFEGV TAIIFCVALS DYDLVLAEDE EM NRMHESM KLFDSICNNK WFTDTSIILF LNKKDLFEEK IKKSPLTICY PEYAGSNTYE EAAAYIQCQF EDLNKRKDTK EIY THFTCA TDTKNVQFVF DAVTDVIIKN NLKDCGLF UniProtKB: Guanine nucleotide-binding protein G(i) subunit alpha-1 |
-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: 37.79927 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: GSQLQSELDQ LRQEAEQLKN QIRDARKACA DATLSQITNN IDPVGRIQMR TRRTLRGHLA KIYAMHWGTD SRLLVSASQD GKLIIWDSY TTNKVHAIPL RSSWVMTCAY APSGNYVACG GLDNICSIYN LKTREGNVRV SRELAGHTGY LSCCRFLDDN Q IVTSSGDT ...文字列: GSQLQSELDQ LRQEAEQLKN QIRDARKACA DATLSQITNN IDPVGRIQMR TRRTLRGHLA KIYAMHWGTD SRLLVSASQD GKLIIWDSY TTNKVHAIPL RSSWVMTCAY APSGNYVACG GLDNICSIYN LKTREGNVRV SRELAGHTGY LSCCRFLDDN Q IVTSSGDT TCALWDIETG QQTTTFTGHT GDVMSLSLAP DTRLFVSGAC DASAKLWDVR EGMCRQTFTG HESDINAICF FP NGNAFAT GSDDATCRLF DLRADQELMT YSHDNIICGI TSVSFSKSGR LLLAGYDDFN CNVWDALKAD RAGVLAGHDN RVS CLGVTD DGMAVATGSW DSFLKIWN |
-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: 7.547685 KDa |
| 組換発現 | 生物種: ![]() |
| 配列 | 文字列: MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFS UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 |
-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: 27.720795 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 KAAAASSEDL YFQ |
-分子 #5: Melatonin receptor type 1A
| 分子 | 名称: Melatonin receptor type 1A / 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: 42.222805 KDa |
| 組換発現 | 生物種: Homo sapiens (ヒト) |
| 配列 | 文字列: MKTIIALSYI FCLVFADYKD DDDKEFMQGN GSALPNASQP VLRGDGARPS WLASALACVL IFTIVVDILG NLLVILSVYR NKKLRNAGN IFVVSLAVAD LVVAIYPYPL VLMSIFNNGW NLGYLHCQVS GFLMGLSVIG SIFNITGIAI NRYCYICHSL K YDKLYSSK ...文字列: MKTIIALSYI FCLVFADYKD DDDKEFMQGN GSALPNASQP VLRGDGARPS WLASALACVL IFTIVVDILG NLLVILSVYR NKKLRNAGN IFVVSLAVAD LVVAIYPYPL VLMSIFNNGW NLGYLHCQVS GFLMGLSVIG SIFNITGIAI NRYCYICHSL K YDKLYSSK NSLCYVLLIW LLTLAAVLPN LRAGTLQYDP RIYSCTFAQS VSSAYTIAVV VFHFLVPMII VIFCYLRIWI LV LQVRQRV KPDRKPKLKP QDFRNFVTMF VVFVLFAICW APLNFIGLAV ASDPASMVPR IPEWLFVASY YMAYFNSCLN AII YGLLNQ NFRKEYRRII VSLCTARVFF VDSSNDVADR VKWKPSPLMT ENLYFQ UniProtKB: Melatonin receptor type 1A |
-分子 #6: N-{2-[(8S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl]ethyl}pr...
| 分子 | 名称: N-{2-[(8S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl]ethyl}propanamide タイプ: ligand / ID: 6 / コピー数: 1 / 式: JEV |
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| 分子量 | 理論値: 259.343 Da |
| Chemical component information | ![]() ChemComp-JEV: |
-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: 7.5 |
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| 凍結 | 凍結剤: ETHANE / 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 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 |
| 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
引用

UCSF Chimera





























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解析

