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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: PDB / ID: 9p86 | ||||||||||||||||||||||||
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| タイトル | NTSR1-G11-NTS(8-13) Complex in the Canonical, AHD Open State (C-Open-Apo) | ||||||||||||||||||||||||
要素 |
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キーワード | SIGNALING PROTEIN / Complex / Agonist | ||||||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報regulation of melanocyte differentiation / G protein-coupled neurotensin receptor activity / inositol phosphate catabolic process / symmetric synapse / positive regulation of locomotion / regulation of inositol trisphosphate biosynthetic process / phospholipase C-activating G protein-coupled acetylcholine receptor signaling pathway / endothelin receptor signaling pathway / Fatty Acids bound to GPR40 (FFAR1) regulate insulin secretion / Acetylcholine regulates insulin secretion ...regulation of melanocyte differentiation / G protein-coupled neurotensin receptor activity / inositol phosphate catabolic process / symmetric synapse / positive regulation of locomotion / regulation of inositol trisphosphate biosynthetic process / phospholipase C-activating G protein-coupled acetylcholine receptor signaling pathway / endothelin receptor signaling pathway / Fatty Acids bound to GPR40 (FFAR1) regulate insulin secretion / Acetylcholine regulates insulin secretion / developmental pigmentation / phospholipase C-activating dopamine receptor signaling pathway / positive regulation of gamma-aminobutyric acid secretion / D-aspartate import across plasma membrane / cellular response to pH / PLC beta mediated events / entrainment of circadian clock / positive regulation of arachidonate secretion / cranial skeletal system development / L-glutamate import across plasma membrane / vocalization behavior / regulation of behavioral fear response / regulation of respiratory gaseous exchange / cAMP biosynthetic process / positive regulation of inhibitory postsynaptic potential / negative regulation of systemic arterial blood pressure / negative regulation of release of sequestered calcium ion into cytosol / positive regulation of glutamate secretion / response to food / regulation of membrane depolarization / response to lipid / ligand-gated ion channel signaling pathway / temperature homeostasis / positive regulation of inositol phosphate biosynthetic process / detection of temperature stimulus involved in sensory perception of pain / response to stress / phototransduction, visible light / action potential / photoreceptor outer segment / conditioned place preference / enzyme regulator activity / Turbulent (oscillatory, disturbed) flow shear stress activates signaling by PIEZO1 and integrins in endothelial cells / Peptide ligand-binding receptors / positive regulation of release of sequestered calcium ion into cytosol / dendritic shaft / skeletal system development / adult locomotory behavior / neuropeptide signaling pathway / G protein-coupled receptor binding / G protein-coupled receptor activity / regulation of blood pressure / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / cytoplasmic side of plasma membrane / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / Activation of the phototransduction cascade / G protein-coupled acetylcholine receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / terminal bouton / positive regulation of insulin secretion / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / photoreceptor disc membrane / ADP signalling through P2Y purinoceptor 12 / 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 / 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 / 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 / cellular response to prostaglandin E stimulus / heterotrimeric G-protein complex / G-protein beta-subunit binding / G alpha (12/13) signalling events / Inactivation, recovery and regulation of the phototransduction cascade / extracellular vesicle / sensory perception of taste / Thrombin signalling through proteinase activated receptors (PARs) / heart development / signaling receptor complex adaptor activity / retina development in camera-type eye / GTPase binding / G protein activity / fibroblast proliferation / Ca2+ pathway 類似検索 - 分子機能 | ||||||||||||||||||||||||
| 生物種 | Homo sapiens (ヒト) | ||||||||||||||||||||||||
| 手法 | 電子顕微鏡法 / 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 2.9 Å | ||||||||||||||||||||||||
データ登録者 | Robertson, M.J. | ||||||||||||||||||||||||
| 資金援助 | 米国, 2件
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引用 | ジャーナル: Nature / 年: 2026タイトル: Snapshots of the dynamic basis of NTSR1 G protein subtype promiscuity. 著者: Alina A Vo / Arnab Modak / Sumin Lu / Scott C Blanchard / Nevin A Lambert / Michael J Robertson / ![]() 要旨: G-protein-coupled receptors (GPCRs) are capable of signalling through four families of G protein α subunits. Although hundreds of nucleotide-free GPCR-G protein complex structures have been solved, ...G-protein-coupled receptors (GPCRs) are capable of signalling through four families of G protein α subunits. Although hundreds of nucleotide-free GPCR-G protein complex structures have been solved, the mechanism of G protein subtype selectivity remains poorly understood, with recent studies suggesting a role for dynamic nucleotide-bound intermediate states. Here we use time-resolved cryo-electron microscopy to visualize the GTP-induced activation of Gαβγ and Gαβγ heterotrimers bound to the neurotensin receptor 1 (NTSR1), which has been demonstrated to be highly promiscuous in G protein coupling and to possess unusual conformations in the nucleotide-free complex. We resolve ensembles of states along the G protein activation pathway, with differences in the structures and their relative populations between Gα and Gα. Structural analysis reveals a key role for several motifs, including intracellular loop 2 (ICL2) and ICL3, in stabilizing the observed intermediate states. Our results are supported by molecular dynamics simulations and kinetic bioluminescence resonance energy transfer experiments, which reveal that the stability of these intermediate states and the signalling of various G proteins are correlated with ICL2 and ICL3 sequences. Single-molecule fluorescence assays of GTP-induced NTSR1-G protein complex dissociation reveal that NTSR1 is liberated significantly faster from Gα, consistent with the relative lack of stable Gα-GTP intermediate states compared with Gα. These findings highlight that transient intermediate-state complexes along the G protein activation pathway have an important role in G protein selection that cannot be explained by nucleotide-free states alone. | ||||||||||||||||||||||||
| 履歴 |
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 9p86.cif.gz | 164.6 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb9p86.ent.gz | 115.4 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 9p86.json.gz | ツリー表示 | PDBx/mmJSON形式 | |
| その他 | その他のダウンロード |
-検証レポート
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/p8/9p86 ftp://data.pdbj.org/pub/pdb/validation_reports/p8/9p86 | HTTPS FTP |
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-関連構造データ
| 関連構造データ | ![]() 71366MC ![]() 9p7zC ![]() 9p80C ![]() 9p81C ![]() 9p82C ![]() 9p83C ![]() 9p84C ![]() 9p85C ![]() 9p87C ![]() 9p88C ![]() 9p89C ![]() 9p8aC M: このデータのモデリングに利用したマップデータ C: 同じ文献を引用 ( |
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| 類似構造データ | 類似検索 - 機能・相同性 F&H 検索 |
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リンク
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集合体
| 登録構造単位 | ![]()
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要素
| #1: タンパク質 | 分子量: 37671.102 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: GNB1 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P62873 |
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| #2: タンパク質 | 分子量: 7861.143 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: GNG2 / 発現宿主: Trichoplusia ni (イラクサキンウワバ) / 参照: UniProt: P59768 |
| #3: タンパク質・ペプチド | 分子量: 819.007 Da / 分子数: 1 / 由来タイプ: 合成 / 由来: (合成) Homo sapiens (ヒト) |
| #4: タンパク質 | 分子量: 48396.734 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: NTSR1, NTRR発現宿主: ![]() 参照: UniProt: P30989 |
| #5: タンパク質 | 分子量: 42191.281 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: GNA11, GA11 / 発現宿主: Trichoplusia ni (イラクサキンウワバ)参照: UniProt: P29992, 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 |
| Has protein modification | Y |
-実験情報
-実験
| 実験 | 手法: 電子顕微鏡法 |
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| EM実験 | 試料の集合状態: PARTICLE / 3次元再構成法: 単粒子再構成法 |
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試料調製
| 構成要素 | 名称: NTSR1-Gi-NTS(8-13) Complex in the Canonical, AHD Open State タイプ: COMPLEX / Entity ID: #2-#3, #5 / 由来: MULTIPLE SOURCES |
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| 由来(天然) | 生物種: Homo sapiens (ヒト) |
| 由来(組換発現) | 生物種: ![]() |
| 緩衝液 | pH: 7.5 |
| 試料 | 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
| 急速凍結 | 凍結剤: ETHANE |
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電子顕微鏡撮影
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
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| 顕微鏡 | モデル: TFS KRIOS |
| 電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 300 kV / 照射モード: FLOOD BEAM |
| 電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 1400 nm / 最小 デフォーカス(公称値): 600 nm |
| 撮影 | 電子線照射量: 55 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) |
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解析
| EMソフトウェア |
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| CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
| 3次元再構成 | 解像度: 2.9 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 199476 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
| 精密化 | 最高解像度: 2.9 Å 立体化学のターゲット値: REAL-SPACE (WEIGHTED MAP SUM AT ATOM CENTERS) | ||||||||||||||||||||||||
| 拘束条件 |
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ムービー
コントローラー
万見について




Homo sapiens (ヒト)
米国, 2件
引用

























PDBj
























Trichoplusia ni (イラクサキンウワバ)
FIELD EMISSION GUN