+データを開く
-基本情報
登録情報 | データベース: EMDB / ID: EMD-34833 | |||||||||
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タイトル | Cryo-EM structure of Gq-coupled MRGPRX1 bound with Compound-16 | |||||||||
マップデータ | CryoEM structure of Gq coupled MRGPRX1 binding with compound 16 | |||||||||
試料 |
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キーワード | GPCR / SIGNALING PROTEIN | |||||||||
機能・相同性 | 機能・相同性情報 response to chloroquine / acute-phase response / G protein-coupled receptor activity / electron transport chain / 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 ...response to chloroquine / acute-phase response / G protein-coupled receptor activity / electron transport chain / 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 / transmembrane signaling receptor activity / 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 / periplasmic space / electron transfer activity / cell surface receptor signaling pathway / iron ion binding / G protein-coupled receptor signaling pathway / lysosomal membrane / GTPase activity / synapse / heme binding / protein-containing complex binding / cell surface / signal transduction / extracellular exosome / membrane / plasma membrane / cytoplasm / cytosol 類似検索 - 分子機能 | |||||||||
生物種 | Homo sapiens (ヒト) / Mus musculus (ハツカネズミ) / Vicugna pacos (アルパカ) | |||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.0 Å | |||||||||
データ登録者 | Gan B / Yu LY / Ren RB | |||||||||
資金援助 | 中国, 1件
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引用 | ジャーナル: PLoS Biol / 年: 2023 タイトル: Mechanism of agonist-induced activation of the human itch receptor MRGPRX1. 著者: Bing Gan / Leiye Yu / Haifeng Yang / Haizhan Jiao / Bin Pang / Yian Chen / Chen Wang / Rui Lv / Hongli Hu / Zhijian Cao / Ruobing Ren / 要旨: Mas-related G-protein-coupled receptors X1-X4 (MRGPRX1-X4) are 4 primate-specific receptors that are recently reported to be responsible for many biological processes, including itch sensation, pain ...Mas-related G-protein-coupled receptors X1-X4 (MRGPRX1-X4) are 4 primate-specific receptors that are recently reported to be responsible for many biological processes, including itch sensation, pain transmission, and inflammatory reactions. MRGPRX1 is the first identified human MRGPR, and its expression is restricted to primary sensory neurons. Due to its dual roles in itch and pain signaling pathways, MRGPRX1 has been regarded as a promising target for itch remission and pain inhibition. Here, we reported a cryo-electron microscopy (cryo-EM) structure of Gq-coupled MRGPRX1 in complex with a synthetic agonist compound 16 in an active conformation at an overall resolution of 3.0 Å via a NanoBiT tethering strategy. Compound 16 is a new pain-relieving compound with high potency and selectivity to MRGPRX1 over other MRGPRXs and opioid receptor. MRGPRX1 was revealed to share common structural features of the Gq-mediated receptor activation mechanism of MRGPRX family members, but the variable residues in orthosteric pocket of MRGPRX1 exhibit the unique agonist recognition pattern, potentially facilitating to design MRGPRX1-specific modulators. Together with receptor activation and itch behavior evaluation assays, our study provides a structural snapshot to modify therapeutic molecules for itch relieving and analgesia targeting MRGPRX1. | |||||||||
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_34833.map.gz | 85.8 MB | EMDBマップデータ形式 | |
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ヘッダ (付随情報) | emd-34833-v30.xml emd-34833.xml | 20.4 KB 20.4 KB | 表示 表示 | EMDBヘッダ |
画像 | emd_34833.png | 92.6 KB | ||
Filedesc metadata | emd-34833.cif.gz | 7 KB | ||
その他 | emd_34833_half_map_1.map.gz emd_34833_half_map_2.map.gz | 84.7 MB 84.7 MB | ||
アーカイブディレクトリ | http://ftp.pdbj.org/pub/emdb/structures/EMD-34833 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-34833 | HTTPS FTP |
-検証レポート
文書・要旨 | emd_34833_validation.pdf.gz | 943.4 KB | 表示 | EMDB検証レポート |
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文書・詳細版 | emd_34833_full_validation.pdf.gz | 943 KB | 表示 | |
XML形式データ | emd_34833_validation.xml.gz | 13.2 KB | 表示 | |
CIF形式データ | emd_34833_validation.cif.gz | 15.4 KB | 表示 | |
アーカイブディレクトリ | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-34833 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-34833 | HTTPS FTP |
-関連構造データ
関連構造データ | 8hj5MC 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 (文献) |
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類似構造データ | 類似検索 - 機能・相同性F&H 検索 |
-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_34833.map.gz / 形式: CCP4 / 大きさ: 91.1 MB / タイプ: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||
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注釈 | CryoEM structure of Gq coupled MRGPRX1 binding with compound 16 | ||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 0.85 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: half A map
ファイル | emd_34833_half_map_1.map | ||||||||||||
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注釈 | half A map | ||||||||||||
投影像・断面図 |
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密度ヒストグラム |
-ハーフマップ: half B map
ファイル | emd_34833_half_map_2.map | ||||||||||||
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注釈 | half B map | ||||||||||||
投影像・断面図 |
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密度ヒストグラム |
-試料の構成要素
-全体 : Gq coupled MRGPRX1 bound with compound 16
全体 | 名称: Gq coupled MRGPRX1 bound with compound 16 |
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要素 |
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-超分子 #1: Gq coupled MRGPRX1 bound with compound 16
超分子 | 名称: Gq coupled MRGPRX1 bound with compound 16 / タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#6 |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
-分子 #1: Guanine nucleotide-binding protein G(q) subunit alpha
分子 | 名称: 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: Homo sapiens (ヒト) |
分子量 | 理論値: 41.855578 KDa |
組換発現 | 生物種: Spodoptera frugiperda (ツマジロクサヨトウ) |
配列 | 文字列: MMGCTLSAED KAAVERSKMI EKQLQKDKQV YRRTLRLLLL GADNSGKSTI VKQMRIYHVN GYSEEECKQY KAVVYSNTIQ SIIAIIRAM GRLKIDFGDS ARADDARQLF VLAGAAEEGF MTAELAGVIK RLWKDSGVQA CFNRSREYQL NDSAAYYLND L DRIAQPNY ...文字列: MMGCTLSAED KAAVERSKMI EKQLQKDKQV YRRTLRLLLL GADNSGKSTI VKQMRIYHVN GYSEEECKQY KAVVYSNTIQ SIIAIIRAM GRLKIDFGDS ARADDARQLF VLAGAAEEGF MTAELAGVIK RLWKDSGVQA CFNRSREYQL NDSAAYYLND L DRIAQPNY IPTQQDVLRT RVKTSGIFET KFQVDKVNFH MFDVGAQRDE RRKWIQCFND VTAIIFVVDS SDYNRLQEAL ND FKSIWNN RWLRTISVIL FLNKQDLLAE KVLAGKSKIE DYFPEFARYT TPEDATPEPG EDPRVTRAKY FIRKEFVDIS TAS GDGRHI CYPHFTCSVD TENARRIFND CKDIILQMNL REYNLV |
-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: Homo sapiens (ヒト) |
分子量 | 理論値: 42.005895 KDa |
組換発現 | 生物種: Spodoptera frugiperda (ツマジロクサヨトウ) |
配列 | 文字列: HHHHHHHHHH LEVLFQGPGS SGSELDQLRQ EAEQLKNQIR DARKACADAT LSQITNNIDP VGRIQMRTRR TLRGHLAKIY AMHWGTDSR LLVSASQDGK LIIWDSYTTN KVHAIPLRSS WVMTCAYAPS GNYVACGGLD NICSIYNLKT REGNVRVSRE L AGHTGYLS ...文字列: HHHHHHHHHH LEVLFQGPGS SGSELDQLRQ EAEQLKNQIR DARKACADAT LSQITNNIDP VGRIQMRTRR TLRGHLAKIY AMHWGTDSR LLVSASQDGK LIIWDSYTTN KVHAIPLRSS WVMTCAYAPS GNYVACGGLD NICSIYNLKT REGNVRVSRE L AGHTGYLS CCRFLDDNQI VTSSGDTTCA LWDIETGQQT TTFTGHTGDV MSLSLAPDTR LFVSGACDAS AKLWDVREGM CR QTFTGHE SDINAICFFP NGNAFATGSD DATCRLFDLR ADQELMTYSH DNIICGITSV SFSKSGRLLL AGYDDFNCNV WDA LKADRA GVLAGHDNRV SCLGVTDDGM AVATGSWDSF LKIWNGASGA SGASGASVSG WRLFKKIS 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: Homo sapiens (ヒト) |
分子量 | 理論値: 7.861143 KDa |
組換発現 | 生物種: Spodoptera frugiperda (ツマジロクサヨトウ) |
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: 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: Mus musculus (ハツカネズミ) |
分子量 | 理論値: 27.784896 KDa |
組換発現 | 生物種: Trichoplusia ni (イラクサキンウワバ) |
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: Soluble cytochrome b562,Mas-related G-protein coupled receptor me...
分子 | 名称: Soluble cytochrome b562,Mas-related G-protein coupled receptor member X1,LgBit 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: 71.462594 KDa |
組換発現 | 生物種: Spodoptera frugiperda (ツマジロクサヨトウ) |
配列 | 文字列: MKTIIALSYI FCLVFADYKD DDDKLEVLFQ GPGSADLEDN WETLNDNLKV IEKADNAAQV KDALTKMRAA ALDAQKATPP KLEDKSPDS PEMKDFRHGF DILVGQIDDA LKLANEGKVK EAQAAAEQLK TTRNAYIQKY LMDPTISTLD TELTPINGTE E TLCYKQTL ...文字列: MKTIIALSYI FCLVFADYKD DDDKLEVLFQ GPGSADLEDN WETLNDNLKV IEKADNAAQV KDALTKMRAA ALDAQKATPP KLEDKSPDS PEMKDFRHGF DILVGQIDDA LKLANEGKVK EAQAAAEQLK TTRNAYIQKY LMDPTISTLD TELTPINGTE E TLCYKQTL SLTVLTCIVS LVGLTGNAVV LWLLGCRMRR NAFSIYILNL AAADFLFLSG RLIYSLLSFI SIPHTISKIL YP VMMFSYF AGLSFLSAVS TERCLSVLWP IWYRCHRPTH LSAVVCVLLW ALSLLRSILE WMLCGFLFSG ADSAWCQTSD FIT VAWLIF LCVVLCGSSL VLLIRILCGS RKIPLTRLYV TILLTVLVFL LCGLPFGIQF FLFLWIHVDR EVLFCHVHLV SIFL SALNS SANPIIYFFV GSFRQRQNRQ NLKLVLQRAL QDASEVDEGG GQLPEEILEL SGSRLEQGSA GSVFTLEDFV GDWEQ TAAY NLDQVLEQGG VSSLLQNLAV SVTPIQRIVR SGENALKIDI HVIIPYEGLS ADQMAQIEEV FKVVYPVDDH HFKVIL PYG TLVIDGVTPN MLNYFGRPYE GIAVFDGKKI TVTGTLWNGN KIIDERLITP DGSMLFRVTI NSLEHHHHHH HHHH UniProtKB: Soluble cytochrome b562, Mas-related G-protein coupled receptor member X1 |
-分子 #6: Nb35
分子 | 名称: Nb35 / タイプ: protein_or_peptide / ID: 6 / コピー数: 1 / 光学異性体: LEVO |
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由来(天然) | 生物種: Vicugna pacos (アルパカ) |
分子量 | 理論値: 17.057271 KDa |
組換発現 | 生物種: Bacteria (unknown) |
配列 | 文字列: MKYLLPTAAA GLLLLAAQPA MAMQVQLQES GGGLVQPGGS LRLSCAASGF TFSNYKMNWV RQAPGKGLEW VSDISQSGAS ISYTGSVKG RFTISRDNAK NTLYLQMNSL KPEDTAVYYC ARCPAPFTRD CFDVTSTTYA YRGQGTQVTV SSHHHHHH |
-分子 #7: N-{2-[(1-aminoisoquinolin-6-yl)oxy]-4-methylphenyl}-2-methoxybenz...
分子 | 名称: N-{2-[(1-aminoisoquinolin-6-yl)oxy]-4-methylphenyl}-2-methoxybenzene-1-sulfonamide タイプ: ligand / ID: 7 / コピー数: 1 / 式: U2U |
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分子量 | 理論値: 435.496 Da |
Chemical component information | ChemComp-U2U: |
-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 K3 (6k x 4k) / 平均電子線量: 56.15 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): 2.0 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: NONE |
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最終 再構成 | 解像度のタイプ: BY AUTHOR / 解像度: 3.0 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 使用した粒子像数: 1006848 |
初期 角度割当 | タイプ: MAXIMUM LIKELIHOOD |
最終 角度割当 | タイプ: MAXIMUM LIKELIHOOD |