登録情報 データベース : EMDB / ID : EMD-13387 構造の表示 ダウンロードとリンクタイトル Low resolution Cryo-EM structure of the full-length insulin receptor bound to 3 insulin, conf 2 マップデータ 詳細 試料複合体 : DDM solubilised full-length human insulin receptor with three insulins boundタンパク質・ペプチド : Isoform Short of Insulin receptorタンパク質・ペプチド : Insulinタンパク質・ペプチド : Insulin 詳細機能・相同性 機能・相同性情報分子機能 ドメイン・相同性 構成要素
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 / exocrine pancreas development / insulin receptor complex / insulin-like growth factor I binding / insulin receptor activity / positive regulation of protein-containing complex disassembly ... 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 / exocrine pancreas development / insulin receptor complex / insulin-like growth factor I binding / insulin receptor activity / positive regulation of protein-containing complex disassembly / cargo receptor activity / dendritic spine maintenance / insulin binding / negative regulation of NAD(P)H oxidase activity / negative regulation of glycogen catabolic process / PTB domain binding / adrenal gland development / positive regulation of nitric oxide mediated signal transduction / negative regulation of fatty acid metabolic process / activation of protein kinase activity / negative regulation of feeding behavior / Signaling by Insulin receptor / IRS activation / Insulin processing / neuronal cell body membrane / regulation of protein secretion / positive regulation of peptide hormone secretion / positive regulation of respiratory burst / positive regulation of receptor internalization / negative regulation of acute inflammatory response / Regulation of gene expression in beta cells / alpha-beta T cell activation / amyloid-beta clearance / regulation of amino acid metabolic process / regulation of embryonic development / negative regulation of respiratory burst involved in inflammatory response / insulin receptor substrate binding / negative regulation of protein secretion / positive regulation of dendritic spine maintenance / transport across blood-brain barrier / positive regulation of glycogen biosynthetic process / Synthesis, secretion, and deacylation of Ghrelin / epidermis development / regulation of protein localization to plasma membrane / fatty acid homeostasis / negative regulation of gluconeogenesis / negative regulation of lipid catabolic process / Signal attenuation / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / COPI-mediated anterograde transport / phosphatidylinositol 3-kinase binding / heart morphogenesis / positive regulation of lipid biosynthetic process / negative regulation of oxidative stress-induced intrinsic apoptotic signaling pathway / positive regulation of insulin receptor signaling pathway / nitric oxide-cGMP-mediated signaling / negative regulation of reactive oxygen species biosynthetic process / positive regulation of protein autophosphorylation / Insulin receptor recycling / transport vesicle / insulin-like growth factor receptor binding / dendrite membrane / neuron projection maintenance / endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of brown fat cell differentiation / positive regulation of protein metabolic process / NPAS4 regulates expression of target genes / activation of protein kinase B activity / positive regulation of glycolytic process / Insulin receptor signalling cascade / positive regulation of mitotic nuclear division / receptor-mediated endocytosis / positive regulation of nitric-oxide synthase activity / learning / positive regulation of cytokine production / positive regulation of long-term synaptic potentiation / acute-phase response / endosome lumen / Regulation of insulin secretion / positive regulation of D-glucose import / positive regulation of protein secretion / negative regulation of proteolysis / positive regulation of cell differentiation / regulation of transmembrane transporter activity / insulin receptor binding / positive regulation of MAP kinase activity / wound healing / receptor protein-tyrosine kinase / caveola / regulation of synaptic plasticity / negative regulation of protein catabolic process / cellular response to growth factor stimulus / receptor internalization / hormone activity / memory / positive regulation of neuron projection development / peptidyl-tyrosine phosphorylation / cognition / cellular response to insulin stimulus / positive regulation of protein localization to nucleus 類似検索 - 分子機能 Insulin receptor, trans-membrane domain / Insulin receptor trans-membrane segment / Tyrosine-protein kinase, insulin-like receptor / Tyrosine-protein kinase, receptor class II, conserved site / Receptor tyrosine kinase class II signature. / Insulin / Insulin family / Insulin-like / Insulin/IGF/Relaxin family / Insulin / insulin-like growth factor / relaxin family. ... Insulin receptor, trans-membrane domain / Insulin receptor trans-membrane segment / Tyrosine-protein kinase, insulin-like receptor / Tyrosine-protein kinase, receptor class II, conserved site / Receptor tyrosine kinase class II signature. / Insulin / Insulin family / Insulin-like / Insulin/IGF/Relaxin family / Insulin / insulin-like growth factor / relaxin family. / Insulin, conserved site / Insulin family signature. / Insulin-like superfamily / Receptor L-domain / Furin-like cysteine-rich domain / Receptor L-domain superfamily / Furin-like cysteine rich region / Receptor L domain / Furin-like repeat / Furin-like repeats / Growth factor receptor cysteine-rich domain superfamily / : / Fibronectin type III domain / Fibronectin type 3 domain / Fibronectin type-III domain profile. / Fibronectin type III / Fibronectin type III superfamily / Tyrosine-protein kinase, catalytic domain / Tyrosine kinase, catalytic domain / Tyrosine protein kinases specific active-site signature. / Tyrosine-protein kinase, active site / Serine-threonine/tyrosine-protein kinase, catalytic domain / Protein tyrosine and serine/threonine kinase / Protein kinase, ATP binding site / Protein kinases ATP-binding region signature. / Immunoglobulin-like fold / Protein kinase domain profile. / Protein kinase domain / Protein kinase-like domain superfamily 類似検索 - ドメイン・相同性生物種 Homo sapiens (ヒト)手法 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度 : 7.3 Å 詳細 データ登録者Nielsen JA / Slaaby R / Boesen T / Hummelshoj T / Brandt J / Schluckebier G / Nissen P 資金援助 デンマーク, 1件 詳細 詳細を隠すOrganization Grant number 国 Other government デンマーク
引用ジャーナル : J Mol Biol / 年 : 2022タイトル : Structural Investigations of Full-Length Insulin Receptor Dynamics and Signalling.著者 : Jeppe Nielsen / Jakob Brandt / Thomas Boesen / Tina Hummelshøj / Rita Slaaby / Gerd Schluckebier / Poul Nissen / 要旨 : Insulin regulates glucose homeostasis via binding and activation of the insulin receptor dimer at two distinct pairs of binding sites 1 and 2. Here, we present cryo-EM studies of full-length human ... Insulin regulates glucose homeostasis via binding and activation of the insulin receptor dimer at two distinct pairs of binding sites 1 and 2. Here, we present cryo-EM studies of full-length human insulin receptor (hIR) in an active state obtained at non-saturating, physiologically relevant insulin conditions. Insulin binds asymmetrically to the receptor under these conditions, occupying up to three of the four possible binding sites. Deletion analysis of the receptor together with site specific peptides and insulin analogs used in binding studies show that both sites 1 and 2 are required for high insulin affinity. We identify a homotypic interaction of the fibronectin type III domain (FnIII-3) of IR resulting in tight interaction of membrane proximal domains of the active, asymmetric receptor dimer. Our results show how insulin binding at two distinct types of sites disrupts the autoinhibited apo-IR dimer and stabilizes the active dimer. We propose an insulin binding and activation mechanism, which is sequential, exhibits negative cooperativity, and is based on asymmetry at physiological insulin concentrations with one to three insulin molecules activating IR. 履歴 登録 2021年8月12日 - ヘッダ(付随情報) 公開 2022年2月2日 - マップ公開 2022年2月2日 - 更新 2022年2月16日 - 現状 2022年2月16日 処理サイト : PDBe / 状態 : 公開
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