- PDB-7u9t: Structure of PKA phosphorylated human RyR2 in the closed state in... -
+
データを開く
IDまたはキーワード:
読み込み中...
-
基本情報
登録情報
データベース: PDB / ID: 7u9t
タイトル
Structure of PKA phosphorylated human RyR2 in the closed state in the presence of Calmodulin
要素
Calmodulin-1カルモジュリン
Peptidyl-prolyl cis-trans isomerase FKBP1B
Ryanodine receptor 2
キーワード
MEMBRANE PROTEIN (膜タンパク質) / calcium channel (カルシウムチャネル)
機能・相同性
機能・相同性情報
junctional sarcoplasmic reticulum membrane / suramin binding / establishment of protein localization to endoplasmic reticulum / type B pancreatic cell apoptotic process / Purkinje myocyte to ventricular cardiac muscle cell signaling / regulation of SA node cell action potential / regulation of atrial cardiac muscle cell action potential / left ventricular cardiac muscle tissue morphogenesis / regulation of AV node cell action potential / positive regulation of ATPase-coupled calcium transmembrane transporter activity ...junctional sarcoplasmic reticulum membrane / suramin binding / establishment of protein localization to endoplasmic reticulum / type B pancreatic cell apoptotic process / Purkinje myocyte to ventricular cardiac muscle cell signaling / regulation of SA node cell action potential / regulation of atrial cardiac muscle cell action potential / left ventricular cardiac muscle tissue morphogenesis / regulation of AV node cell action potential / positive regulation of ATPase-coupled calcium transmembrane transporter activity / calcium-induced calcium release activity / sarcoplasmic reticulum calcium ion transport / ventricular cardiac muscle cell action potential / regulation of ventricular cardiac muscle cell action potential / positive regulation of sequestering of calcium ion / cyclic nucleotide binding / embryonic heart tube morphogenesis / cardiac muscle hypertrophy / negative regulation of insulin secretion involved in cellular response to glucose stimulus / negative regulation of release of sequestered calcium ion into cytosol / ryanodine-sensitive calcium-release channel activity / neuronal action potential propagation / insulin secretion involved in cellular response to glucose stimulus / response to muscle activity / release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / CAM型光合成 / Cam-PDE 1 activation / calcium ion transport into cytosol / Sodium/Calcium exchangers / regulation of cardiac muscle contraction by calcium ion signaling / response to caffeine / cell communication by electrical coupling involved in cardiac conduction / Calmodulin induced events / response to redox state / protein maturation by protein folding / Reduction of cytosolic Ca++ levels / CREB1 phosphorylation through the activation of CaMKII/CaMKK/CaMKIV cascasde / Activation of Ca-permeable Kainate Receptor / 'de novo' protein folding / Loss of phosphorylation of MECP2 at T308 / CREB1 phosphorylation through the activation of Adenylate Cyclase / PKA activation / negative regulation of high voltage-gated calcium channel activity / CaMK IV-mediated phosphorylation of CREB / Glycogen breakdown (glycogenolysis) / negative regulation of heart rate / organelle localization by membrane tethering / negative regulation of calcium ion export across plasma membrane / Activation of RAC1 downstream of NMDARs / mitochondrion-endoplasmic reticulum membrane tethering / CLEC7A (Dectin-1) induces NFAT activation / regulation of cardiac muscle cell action potential / autophagosome membrane docking / negative regulation of phosphoprotein phosphatase activity / positive regulation of heart rate / FK506 binding / positive regulation of ryanodine-sensitive calcium-release channel activity / positive regulation of axon regeneration / regulation of cell communication by electrical coupling involved in cardiac conduction / Negative regulation of NMDA receptor-mediated neuronal transmission / negative regulation of peptidyl-threonine phosphorylation / cellular response to caffeine / Synthesis of IP3 and IP4 in the cytosol / Unblocking of NMDA receptors, glutamate binding and activation / Phase 0 - rapid depolarisation / protein kinase A regulatory subunit binding / protein phosphatase activator activity / intracellularly gated calcium channel activity / RHO GTPases activate PAKs / protein kinase A catalytic subunit binding / positive regulation of the force of heart contraction / positive regulation of cyclic-nucleotide phosphodiesterase activity / positive regulation of phosphoprotein phosphatase activity / Ion transport by P-type ATPases / 長期増強 / Uptake and function of anthrax toxins / : / Regulation of MECP2 expression and activity / Calcineurin activates NFAT / catalytic complex / DARPP-32 events / detection of calcium ion / smooth muscle contraction / 小胞体 / negative regulation of ryanodine-sensitive calcium-release channel activity / Smooth Muscle Contraction / response to vitamin E / RHO GTPases activate IQGAPs / regulation of cardiac muscle contraction / calcium channel inhibitor activity / cellular response to interferon-beta / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / Protein methylation / protein peptidyl-prolyl isomerization / eNOS activation / Activation of AMPK downstream of NMDARs / T cell proliferation / striated muscle contraction / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / release of sequestered calcium ion into cytosol 類似検索 - 分子機能
National Institutes of Health/National Heart, Lung, and Blood Institute (NIH/NHLBI)
R01HL145473
米国
引用
ジャーナル: Sci Adv / 年: 2022 タイトル: Structural analyses of human ryanodine receptor type 2 channels reveal the mechanisms for sudden cardiac death and treatment. 著者: Marco C Miotto / Gunnar Weninger / Haikel Dridi / Qi Yuan / Yang Liu / Anetta Wronska / Zephan Melville / Leah Sittenfeld / Steven Reiken / Andrew R Marks / 要旨: Ryanodine receptor type 2 (RyR2) mutations have been linked to an inherited form of exercise-induced sudden cardiac death called catecholaminergic polymorphic ventricular tachycardia (CPVT). CPVT ...Ryanodine receptor type 2 (RyR2) mutations have been linked to an inherited form of exercise-induced sudden cardiac death called catecholaminergic polymorphic ventricular tachycardia (CPVT). CPVT results from stress-induced sarcoplasmic reticular Ca leak via the mutant RyR2 channels during diastole. We present atomic models of human wild-type (WT) RyR2 and the CPVT mutant RyR2-R2474S determined by cryo-electron microscopy with overall resolutions in the range of 2.6 to 3.6 Å, and reaching local resolutions of 2.25 Å, unprecedented for RyR2 channels. Under nonactivating conditions, the RyR2-R2474S channel is in a "primed" state between the closed and open states of WT RyR2, rendering it more sensitive to activation that results in stress-induced Ca leak. The Rycal drug ARM210 binds to RyR2-R2474S, reverting the primed state toward the closed state. Together, these studies provide a mechanism for CPVT and for the therapeutic actions of ARM210.