+
データを開く
-
基本情報
| 登録情報 | データベース: PDB / ID: 7yq6 | |||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| タイトル | human insulin receptor bound with A62 DNA aptamer | |||||||||||||||||||||||||||||||||||||||||||||
要素 |
| |||||||||||||||||||||||||||||||||||||||||||||
キーワード | STRUCTURAL PROTEIN / receptor-ligand complex_C | |||||||||||||||||||||||||||||||||||||||||||||
| 機能・相同性 | 機能・相同性情報regulation of female gonad development / positive regulation of meiotic cell cycle / insulin-like growth factor II binding / positive regulation of developmental growth / male sex determination / insulin receptor complex / insulin-like growth factor I binding / insulin receptor activity / positive regulation of protein-containing complex disassembly / exocrine pancreas development ...regulation of female gonad development / positive regulation of meiotic cell cycle / insulin-like growth factor II binding / positive regulation of developmental growth / male sex determination / insulin receptor complex / insulin-like growth factor I binding / insulin receptor activity / positive regulation of protein-containing complex disassembly / exocrine pancreas development / dendritic spine maintenance / insulin binding / adrenal gland development / cargo receptor activity / PTB domain binding / Signaling by Insulin receptor / IRS activation / neuronal cell body membrane / positive regulation of respiratory burst / amyloid-beta clearance / regulation of embryonic development / insulin receptor substrate binding / positive regulation of receptor internalization / epidermis development / positive regulation of glycogen biosynthetic process / protein kinase activator activity / Signal attenuation / transport across blood-brain barrier / phosphatidylinositol 3-kinase binding / heart morphogenesis / Insulin receptor recycling / insulin-like growth factor receptor binding / neuron projection maintenance / positive regulation of mitotic nuclear division / Insulin receptor signalling cascade / dendrite membrane / receptor-mediated endocytosis / positive regulation of glycolytic process / positive regulation of D-glucose import across plasma membrane / learning / receptor protein-tyrosine kinase / receptor internalization / caveola / cellular response to growth factor stimulus / male gonad development / cellular response to insulin stimulus / memory / positive regulation of nitric oxide biosynthetic process / insulin receptor signaling pathway / protein autophosphorylation / late endosome / glucose homeostasis / amyloid-beta binding / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / protein tyrosine kinase activity / positive regulation of canonical NF-kappaB signal transduction / positive regulation of MAPK cascade / positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / lysosome / signaling receptor complex / endosome membrane / positive regulation of cell migration / G protein-coupled receptor signaling pathway / external side of plasma membrane / protein domain specific binding / axon / positive regulation of cell population proliferation / symbiont entry into host cell / regulation of DNA-templated transcription / positive regulation of DNA-templated transcription / GTP binding / protein-containing complex binding / extracellular exosome / ATP binding / membrane / identical protein binding / plasma membrane 類似検索 - 分子機能 | |||||||||||||||||||||||||||||||||||||||||||||
| 生物種 | Homo sapiens (ヒト)synthetic construct (人工物) | |||||||||||||||||||||||||||||||||||||||||||||
| 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: 4.18 Å | |||||||||||||||||||||||||||||||||||||||||||||
データ登録者 | Kim, J. / Yunn, N. / Ryu, S. / Cho, Y. | |||||||||||||||||||||||||||||||||||||||||||||
| 資金援助 | 韓国, 1件
| |||||||||||||||||||||||||||||||||||||||||||||
引用 | ジャーナル: Nat Commun / 年: 2022タイトル: Functional selectivity of insulin receptor revealed by aptamer-trapped receptor structures. 著者: Junhong Kim / Na-Oh Yunn / Mangeun Park / Jihan Kim / Seongeun Park / Yoojoong Kim / Jeongeun Noh / Sung Ho Ryu / Yunje Cho / ![]() 要旨: Activation of insulin receptor (IR) initiates a cascade of conformational changes and autophosphorylation events. Herein, we determined three structures of IR trapped by aptamers using cryo-electron ...Activation of insulin receptor (IR) initiates a cascade of conformational changes and autophosphorylation events. Herein, we determined three structures of IR trapped by aptamers using cryo-electron microscopy. The A62 agonist aptamer selectively activates metabolic signaling. In the absence of insulin, the two A62 aptamer agonists of IR adopt an insulin-accessible arrowhead conformation by mimicking site-1/site-2' insulin coordination. Insulin binding at one site triggers conformational changes in one protomer, but this movement is blocked in the other protomer by A62 at the opposite site. A62 binding captures two unique conformations of IR with a similar stalk arrangement, which underlie Tyr1150 mono-phosphorylation (m-pY1150) and selective activation for metabolic signaling. The A43 aptamer, a positive allosteric modulator, binds at the opposite side of the insulin-binding module, and stabilizes the single insulin-bound IR structure that brings two FnIII-3 regions into closer proximity for full activation. Our results suggest that spatial proximity of the two FnIII-3 ends is important for m-pY1150, but multi-phosphorylation of IR requires additional conformational rearrangement of intracellular domains mediated by coordination between extracellular and transmembrane domains. | |||||||||||||||||||||||||||||||||||||||||||||
| 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 | 7yq6.cif.gz | 327.6 KB | 表示 | PDBx/mmCIF形式 |
|---|---|---|---|---|
| PDB形式 | pdb7yq6.ent.gz | 265 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 7yq6.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/yq/7yq6 ftp://data.pdbj.org/pub/pdb/validation_reports/yq/7yq6 | HTTPS FTP |
|---|
-関連構造データ
| 関連構造データ | ![]() 34021MC ![]() 7yq3C ![]() 7yq4C ![]() 7yq5C ![]() 8guyC 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: 103623.578 Da / 分子数: 2 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: INSR / 細胞株 (発現宿主): HEK293F / 発現宿主: Homo sapiens (ヒト) / 参照: UniProt: P06213, receptor protein-tyrosine kinase#2: DNA鎖 | 分子量: 8526.799 Da / 分子数: 2 / 由来タイプ: 合成 / 由来: (合成) synthetic construct (人工物) 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 |
| ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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: Talos Arctica / 画像提供: FEI Company |
|---|---|
| 顕微鏡 | モデル: FEI TALOS ARCTICA |
| 電子銃 | 電子線源: FIELD EMISSION GUN / 加速電圧: 200 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): 3000 nm / 最小 デフォーカス(公称値): 1500 nm |
| 撮影 | 電子線照射量: 50 e/Å2 / フィルム・検出器のモデル: GATAN K3 (6k x 4k) |
-
解析
| ソフトウェア | 名称: PHENIX / バージョン: 1.14_3260: / 分類: 精密化 |
|---|---|
| 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: 4.18 Å / 解像度の算出法: FSC 0.143 CUT-OFF / 粒子像の数: 181797 / 対称性のタイプ: POINT |
ムービー
コントローラー
万見について




Homo sapiens (ヒト)
韓国, 1件
引用








PDBj

















































FIELD EMISSION GUN