+
データを開く
-
基本情報
| 登録情報 | データベース: PDB / ID: 8jrv | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| タイトル | Cryo-EM structure of the glucagon receptor bound to glucagon and beta-arrestin 1 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
要素 |
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
キーワード | MEMBRANE PROTEIN / Complex structure / glucagon receptor / beta-arrestin 1 / glucagon | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報activated protein C (thrombin-activated peptidase) / positive regulation of establishment of endothelial barrier / negative regulation of coagulation / glucagon receptor binding / renal water retention / Defective AVP does not bind AVPR2 and causes neurohypophyseal diabetes insipidus (NDI) / regulation of systemic arterial blood pressure by vasopressin / Vasopressin-like receptors / vasopressin receptor activity / regulation of glycogen metabolic process ...activated protein C (thrombin-activated peptidase) / positive regulation of establishment of endothelial barrier / negative regulation of coagulation / glucagon receptor binding / renal water retention / Defective AVP does not bind AVPR2 and causes neurohypophyseal diabetes insipidus (NDI) / regulation of systemic arterial blood pressure by vasopressin / Vasopressin-like receptors / vasopressin receptor activity / regulation of glycogen metabolic process / renal water absorption / glucagon receptor activity / : / hemostasis / telencephalon development / feeding behavior / negative regulation of execution phase of apoptosis / response to starvation / positive regulation of calcium ion import / regulation of insulin secretion / positive regulation of systemic arterial blood pressure / peptide hormone binding / positive regulation of intracellular signal transduction / negative regulation of blood coagulation / Synthesis, secretion, and deacylation of Ghrelin / positive regulation of vasoconstriction / Transport of gamma-carboxylated protein precursors from the endoplasmic reticulum to the Golgi apparatus / endocytic vesicle / : / Gamma-carboxylation of protein precursors / Removal of aminoterminal propeptides from gamma-carboxylated proteins / activation of adenylate cyclase activity / cellular response to hormone stimulus / : / response to nutrient / response to cytokine / cellular response to glucagon stimulus / guanyl-nucleotide exchange factor activity / positive regulation of gluconeogenesis / viral budding from plasma membrane / cellular response to starvation / positive regulation of insulin secretion involved in cellular response to glucose stimulus / response to activity / Cell surface interactions at the vascular wall / gluconeogenesis / Post-translational protein phosphorylation / generation of precursor metabolites and energy / clathrin-coated endocytic vesicle membrane / hormone activity / Golgi lumen / negative regulation of inflammatory response / regulation of blood pressure / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / blood coagulation / positive regulation of insulin secretion / Glucagon signaling in metabolic regulation / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Glucagon-type ligand receptors / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Cargo recognition for clathrin-mediated endocytosis / glucose homeostasis / Clathrin-mediated endocytosis / adenylate cyclase-activating G protein-coupled receptor signaling pathway / secretory granule lumen / clathrin-dependent endocytosis of virus by host cell / G alpha (s) signalling events / G alpha (q) signalling events / positive regulation of ERK1 and ERK2 cascade / cell surface receptor signaling pathway / endosome / host cell surface receptor binding / endoplasmic reticulum lumen / G protein-coupled receptor signaling pathway / receptor ligand activity / signaling receptor binding / serine-type endopeptidase activity / fusion of virus membrane with host plasma membrane / negative regulation of cell population proliferation / fusion of virus membrane with host endosome membrane / viral envelope / calcium ion binding / positive regulation of cell population proliferation / positive regulation of gene expression / negative regulation of apoptotic process / virion attachment to host cell / host cell plasma membrane / perinuclear region of cytoplasm / virion membrane / Golgi apparatus / endoplasmic reticulum / proteolysis / : / extracellular region / membrane / identical protein binding / plasma membrane 類似検索 - 分子機能 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 生物種 | ![]() Influenza A virus (A型インフルエンザウイルス) Homo sapiens (ヒト) Escherichia phage EcSzw-2 (ファージ) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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: 3.3 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
データ登録者 | Chen, K. / Zhang, C. / Lin, S. / Zhao, Q. / Wu, B. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 資金援助 | 中国, 2件
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
引用 | ジャーナル: Nature / 年: 2023タイトル: Tail engagement of arrestin at the glucagon receptor. 著者: Kun Chen / Chenhui Zhang / Shuling Lin / Xinyu Yan / Heng Cai / Cuiying Yi / Limin Ma / Xiaojing Chu / Yuchen Liu / Ya Zhu / Shuo Han / Qiang Zhao / Beili Wu / ![]() 要旨: Arrestins have pivotal roles in regulating G protein-coupled receptor (GPCR) signalling by desensitizing G protein activation and mediating receptor internalization. It has been proposed that the ...Arrestins have pivotal roles in regulating G protein-coupled receptor (GPCR) signalling by desensitizing G protein activation and mediating receptor internalization. It has been proposed that the arrestin binds to the receptor in two different conformations, 'tail' and 'core', which were suggested to govern distinct processes of receptor signalling and trafficking. However, little structural information is available for the tail engagement of the arrestins. Here we report two structures of the glucagon receptor (GCGR) bound to β-arrestin 1 (βarr1) in glucagon-bound and ligand-free states. These structures reveal a receptor tail-engaged binding mode of βarr1 with many unique features, to our knowledge, not previously observed. Helix VIII, instead of the receptor core, has a major role in accommodating βarr1 by forming extensive interactions with the central crest of βarr1. The tail-binding pose is further defined by a close proximity between the βarr1 C-edge and the receptor helical bundle, and stabilized by a phosphoinositide derivative that bridges βarr1 with helices I and VIII of GCGR. Lacking any contact with the arrestin, the receptor core is in an inactive state and loosely binds to glucagon. Further functional studies suggest that the tail conformation of GCGR-βarr governs βarr recruitment at the plasma membrane and endocytosis of GCGR, and provides a molecular basis for the receptor forming a super-complex simultaneously with G protein and βarr to promote sustained signalling within endosomes. These findings extend our knowledge about the arrestin-mediated modulation of GPCR functionalities. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 履歴 |
|
-
構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
|---|
-
ダウンロードとリンク
-
ダウンロード
| PDBx/mmCIF形式 | 8jrv.cif.gz | 248.9 KB | 表示 | PDBx/mmCIF形式 |
|---|---|---|---|---|
| PDB形式 | pdb8jrv.ent.gz | 170.1 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 8jrv.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/jr/8jrv ftp://data.pdbj.org/pub/pdb/validation_reports/jr/8jrv | HTTPS FTP |
|---|
-関連構造データ
| 関連構造データ | ![]() 36607MC ![]() 8jruC 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 ( |
|---|---|
| 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 | ![]()
|
|---|---|
| 1 |
|
-
要素
| #1: タンパク質 | 分子量: 54163.012 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現) Influenza A virus (strain A/Victoria/3/1975 H3N2) (A型インフルエンザウイルス), (組換発現) Homo sapiens (ヒト)遺伝子: HA, PROC, GCGR, AVPR2, ADHR, DIR, DIR3, V2R 発現宿主: ![]() 参照: UniProt: P03435, UniProt: P04070, UniProt: P47871, UniProt: P30518 | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| #2: タンパク質・ペプチド | 分子量: 3486.781 Da / 分子数: 1 / 由来タイプ: 合成 / 由来: (合成) Homo sapiens (ヒト) / 参照: UniProt: P01275 | ||||||||
| #3: 抗体 | 分子量: 69173.891 Da / 分子数: 3 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト)発現宿主: ![]() #4: 抗体 | | 分子量: 13867.408 Da / 分子数: 1 / 由来タイプ: 組換発現 由来: (組換発現) Escherichia phage EcSzw-2 (ファージ)発現宿主: ![]() #5: 化合物 | ChemComp-PIO / [( | 研究の焦点であるリガンドがあるか | Y | Has protein modification | Y | |
-実験情報
-実験
| 実験 | 手法: 電子顕微鏡法 |
|---|---|
| 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: The glucagon receptor bound to glucagon and beta-arrestin 1 タイプ: COMPLEX / Entity ID: #1-#4 / 由来: MULTIPLE SOURCES |
|---|---|
| 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 | 濃度: 6 mg/ml / 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 |
-
電子顕微鏡撮影
| 実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |
|---|---|
| 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: SPOT SCAN |
| 電子レンズ | モード: BRIGHT FIELD / 最大 デフォーカス(公称値): 1500 nm / 最小 デフォーカス(公称値): 800 nm |
| 撮影 | 電子線照射量: 70 e/Å2 フィルム・検出器のモデル: GATAN K3 BIOQUANTUM (6k x 4k) |
-
解析
| EMソフトウェア | 名称: PHENIX / カテゴリ: モデル精密化 | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| CTF補正 | タイプ: NONE | ||||||||||||||||||||||||
| 3次元再構成 | 解像度: 3.3 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 300738 / 対称性のタイプ: POINT | ||||||||||||||||||||||||
| 拘束条件 |
|
ムービー
コントローラー
万見について





Influenza A virus (A型インフルエンザウイルス)
Homo sapiens (ヒト)
中国, 2件
引用


PDBj





































FIELD EMISSION GUN