+データを開く
-基本情報
登録情報 | データベース: PDB / ID: 7f1z | ||||||
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タイトル | Cryo-EM structure of the GDP-bound dopamine receptor 1 and mini-Gs complex without Nb35 | ||||||
要素 |
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キーワード | MEMBRANE PROTEIN / GPCR / dopamine receptor / mini-Gs | ||||||
機能・相同性 | 機能・相同性情報 dopamine neurotransmitter receptor activity, coupled via Gs / dopamine neurotransmitter receptor activity / cerebral cortex GABAergic interneuron migration / sensitization / operant conditioning / Dopamine receptors / regulation of dopamine uptake involved in synaptic transmission / modification of postsynaptic structure / dopamine binding / heterotrimeric G-protein binding ...dopamine neurotransmitter receptor activity, coupled via Gs / dopamine neurotransmitter receptor activity / cerebral cortex GABAergic interneuron migration / sensitization / operant conditioning / Dopamine receptors / regulation of dopamine uptake involved in synaptic transmission / modification of postsynaptic structure / dopamine binding / heterotrimeric G-protein binding / G protein-coupled receptor complex / peristalsis / regulation of dopamine metabolic process / grooming behavior / phospholipase C-activating dopamine receptor signaling pathway / positive regulation of neuron migration / habituation / dopamine transport / positive regulation of potassium ion transport / astrocyte development / conditioned taste aversion / striatum development / dentate gyrus development / maternal behavior / arrestin family protein binding / non-motile cilium / long-term synaptic depression / mating behavior / adult walking behavior / ciliary membrane / G protein-coupled dopamine receptor signaling pathway / temperature homeostasis / D-glucose import / transmission of nerve impulse / dopamine metabolic process / PKA activation in glucagon signalling / behavioral response to cocaine / hair follicle placode formation / G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messenger / behavioral fear response / developmental growth / neuronal action potential / G-protein alpha-subunit binding / D1 dopamine receptor binding / intracellular transport / renal water homeostasis / Hedgehog 'off' state / prepulse inhibition / adenylate cyclase-activating adrenergic receptor signaling pathway / activation of adenylate cyclase activity / GABA-ergic synapse / cellular response to glucagon stimulus / synapse assembly / adenylate cyclase activator activity / presynaptic modulation of chemical synaptic transmission / response to amphetamine / regulation of insulin secretion / positive regulation of synaptic transmission, glutamatergic / positive regulation of release of sequestered calcium ion into cytosol / trans-Golgi network membrane / synaptic transmission, glutamatergic / long-term synaptic potentiation / G protein-coupled receptor activity / negative regulation of inflammatory response to antigenic stimulus / bone development / regulation of protein phosphorylation / visual learning / G-protein beta/gamma-subunit complex binding / Olfactory Signaling Pathway / Activation of the phototransduction cascade / adenylate cyclase-activating G protein-coupled receptor signaling pathway / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / cilium / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / G protein activity / G-protein activation / platelet aggregation / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / memory / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through CDC42 / cognition / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Sensory perception of sweet, bitter, and umami (glutamate) taste / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / photoreceptor disc membrane / Glucagon-type ligand receptors / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / G alpha (z) signalling events / vasodilation / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / protein import into nucleus / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production 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: 3.46 Å | ||||||
データ登録者 | Xiao, T. / Zheng, S. | ||||||
資金援助 | 中国, 1件
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引用 | ジャーナル: Sci Adv / 年: 2022 タイトル: Structural insights into G protein activation by D1 dopamine receptor. 著者: Xiao Teng / Sijia Chen / Qing Wang / Zhao Chen / Xiaoying Wang / Niu Huang / Sanduo Zheng / 要旨: G protein-coupled receptors (GPCRs) comprise the largest family of membrane receptors and are the most important drug targets. An agonist-bound GPCR engages heterotrimeric G proteins and triggers the ...G protein-coupled receptors (GPCRs) comprise the largest family of membrane receptors and are the most important drug targets. An agonist-bound GPCR engages heterotrimeric G proteins and triggers the exchange of guanosine diphosphate (GDP) with guanosine triphosphate (GTP) to promote G protein activation. A complete understanding of molecular mechanisms of G protein activation has been hindered by a lack of structural information of GPCR-G protein complex in nucleotide-bound states. Here, we report the cryo-EM structures of the D1 dopamine receptor and mini-G complex in the nucleotide-free and nucleotide-bound states. These structures reveal major conformational changes in Gα such as structural rearrangements of the carboxyl- and amino-terminal α helices that account for the release of GDP and the GTP-dependent dissociation of Gα from Gβγ subunits. As validated by biochemical and cellular signaling studies, our structures shed light into the molecular basis of the entire signaling events of GPCR-mediated G protein activation. | ||||||
履歴 |
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-構造の表示
構造ビューア | 分子: MolmilJmol/JSmol |
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-ダウンロードとリンク
-ダウンロード
PDBx/mmCIF形式 | 7f1z.cif.gz | 207.8 KB | 表示 | PDBx/mmCIF形式 |
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PDB形式 | pdb7f1z.ent.gz | 154.9 KB | 表示 | PDB形式 |
PDBx/mmJSON形式 | 7f1z.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
文書・要旨 | 7f1z_validation.pdf.gz | 975.7 KB | 表示 | wwPDB検証レポート |
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文書・詳細版 | 7f1z_full_validation.pdf.gz | 1015.1 KB | 表示 | |
XML形式データ | 7f1z_validation.xml.gz | 32.7 KB | 表示 | |
CIF形式データ | 7f1z_validation.cif.gz | 48.8 KB | 表示 | |
アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/f1/7f1z ftp://data.pdbj.org/pub/pdb/validation_reports/f1/7f1z | HTTPS FTP |
-関連構造データ
関連構造データ | 31425MC 7f0tC 7f1oC 7f23C 7f24C C: 同じ文献を引用 (文献) M: このデータのモデリングに利用したマップデータ |
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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
-集合体
登録構造単位 |
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1 |
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-要素
-タンパク質 , 1種, 1分子 F
#1: タンパク質 | 分子量: 52409.656 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: DRD1 / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: P21728 |
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-Guanine nucleotide-binding protein ... , 3種, 3分子 ABD
#2: タンパク質 | 分子量: 28907.684 Da / 分子数: 1 / Mutation: G49D, E50N, A235D, S238D, I358A, V361I / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: GNAS, GNAS1, GSP / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: P63092 |
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#3: タンパク質 | 分子量: 39418.086 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 |
#4: タンパク質 | 分子量: 7845.078 Da / 分子数: 1 / Mutation: C68S / 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 |
-非ポリマー , 2種, 2分子
#5: 化合物 | ChemComp-LDP / |
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#6: 化合物 | ChemComp-GDP / |
-詳細
研究の焦点であるリガンドがあるか | Y |
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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 |
-試料調製
構成要素 | 名称: Cryo-EM structure of the GDP-bound dopamine receptor 1 and mini-Gs complex without Nb35 タイプ: COMPLEX / Entity ID: #1-#4 / 由来: RECOMBINANT |
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由来(天然) | 生物種: Homo sapiens (ヒト) |
由来(組換発現) | 生物種: Homo sapiens (ヒト) |
緩衝液 | pH: 7.5 |
試料 | 濃度: 4 mg/ml / 包埋: NO / シャドウイング: NO / 染色: NO / 凍結: YES |
試料支持 | グリッドの材料: GOLD / グリッドのサイズ: 300 divisions/in. / グリッドのタイプ: Quantifoil R1.2/1.3 |
急速凍結 | 装置: FEI VITROBOT MARK IV / 凍結剤: ETHANE / 湿度: 100 % / 凍結前の試料温度: 281 K |
-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: FEI TITAN 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 / 倍率(公称値): 64000 X |
試料ホルダ | 凍結剤: NITROGEN |
撮影 | 電子線照射量: 50 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) 実像数: 681 |
-解析
ソフトウェア | 名称: PHENIX / バージョン: 1.16_3549: / 分類: 精密化 | ||||||||||||||||||||||||
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EMソフトウェア |
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CTF補正 | タイプ: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
粒子像の選択 | 選択した粒子像数: 1283160 | ||||||||||||||||||||||||
3次元再構成 | 解像度: 3.46 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 448009 / クラス平均像の数: 1 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
拘束条件 |
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