登録情報 データベース : EMDB / ID : EMD-30949 ダウンロードとリンクタイトル Cryo EM structure of a Na+-bound Na+,K+-ATPase in the E1 state with ATP-gamma-S マップデータ 詳細 試料複合体 : cryo EM structure of a Na+-bound Na+,K+-ATPase in the E1 state with ATP-gamma-Sタンパク質・ペプチド : Sodium/potassium-transporting ATPase subunit alpha-1タンパク質・ペプチド : Sodium/potassium-transporting ATPase subunit beta-1タンパク質・ペプチド : Sodium/potassium-transporting ATPase subunit gammaリガンド : SODIUM IONリガンド : MAGNESIUM IONリガンド : PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTERリガンド : CHOLESTEROL HEMISUCCINATEリガンド : 1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINEリガンド : 2-acetamido-2-deoxy-beta-D-glucopyranoseリガンド : water 残り4件を表示 表示を減らす 詳細 キーワード Na+ / K+-ATPase / MEMBRANE PROTEIN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
negative regulation of glucocorticoid biosynthetic process / protein transport into plasma membrane raft / Na+/K+-exchanging ATPase / positive regulation of striated muscle contraction / positive regulation of sodium ion export across plasma membrane / positive regulation of heart contraction / positive regulation of potassium ion import across plasma membrane / photoreceptor inner segment membrane / membrane repolarization during cardiac muscle cell action potential / steroid hormone binding ... negative regulation of glucocorticoid biosynthetic process / protein transport into plasma membrane raft / Na+/K+-exchanging ATPase / positive regulation of striated muscle contraction / positive regulation of sodium ion export across plasma membrane / positive regulation of heart contraction / positive regulation of potassium ion import across plasma membrane / photoreceptor inner segment membrane / membrane repolarization during cardiac muscle cell action potential / steroid hormone binding / P-type sodium:potassium-exchanging transporter activity / sodium ion binding / sodium:potassium-exchanging ATPase complex / membrane repolarization / negative regulation of heart contraction / establishment or maintenance of transmembrane electrochemical gradient / sodium ion export across plasma membrane / regulation of the force of heart contraction / cell communication by electrical coupling involved in cardiac conduction / osmosensory signaling pathway / intracellular sodium ion homeostasis / cardiac muscle cell action potential involved in contraction / regulation of calcium ion transmembrane transport / relaxation of cardiac muscle / response to glycoside / regulation of cardiac muscle contraction by calcium ion signaling / Basigin interactions / cellular response to steroid hormone stimulus / cellular hyperosmotic salinity response / organelle membrane / potassium ion import across plasma membrane / potassium ion binding / phosphatase activity / intracellular potassium ion homeostasis / ATPase activator activity / Ion transport by P-type ATPases / lateral plasma membrane / intercalated disc / sodium channel regulator activity / sperm flagellum / transporter activator activity / ATP metabolic process / regulation of sodium ion transport / Ion homeostasis / cardiac muscle contraction / potassium ion transmembrane transport / T-tubule / sodium ion transmembrane transport / proton transmembrane transport / protein localization to plasma membrane / sarcolemma / caveola / regulation of blood pressure / transmembrane transport / intracellular calcium ion homeostasis / MHC class II protein complex binding / melanosome / extracellular vesicle / regulation of gene expression / protein-folding chaperone binding / ATPase binding / protein-macromolecule adaptor activity / basolateral plasma membrane / Potential therapeutics for SARS / transmembrane transporter binding / response to hypoxia / cell adhesion / postsynaptic density / protein stabilization / apical plasma membrane / membrane raft / response to xenobiotic stimulus / protein heterodimerization activity / axon / negative regulation of cell population proliferation / innate immune response / protein kinase binding / endoplasmic reticulum / Golgi apparatus / protein-containing complex / ATP hydrolysis activity / extracellular exosome / ATP binding / membrane / plasma membrane 類似検索 - 分子機能 : / Ion-transport regulator, FXYD motif / : / ATP1G1/PLM/MAT8 family / FXYD family signature. / Sodium/potassium-transporting ATPase subunit beta / Sodium/potassium-transporting ATPase subunit beta superfamily / : / Sodium / potassium ATPase beta chain / Sodium and potassium ATPases beta subunits signature 1. ... : / Ion-transport regulator, FXYD motif / : / ATP1G1/PLM/MAT8 family / FXYD family signature. / Sodium/potassium-transporting ATPase subunit beta / Sodium/potassium-transporting ATPase subunit beta superfamily / : / Sodium / potassium ATPase beta chain / Sodium and potassium ATPases beta subunits signature 1. / Sodium and potassium ATPases beta subunits signature 2. / P-type ATPase subfamily IIC, subunit alpha / Cation-transporting P-type ATPase, C-terminal / Cation transporting ATPase, C-terminus / Cation transporter/ATPase, N-terminus / Cation-transporting P-type ATPase, N-terminal / Cation transporter/ATPase, N-terminus / Cation transport ATPase (P-type) / E1-E2 ATPase / P-type ATPase, haloacid dehalogenase domain / P-type ATPase, phosphorylation site / P-type ATPase, cytoplasmic domain N / E1-E2 ATPases phosphorylation site. / P-type ATPase, A domain superfamily / P-type ATPase / P-type ATPase, transmembrane domain superfamily / HAD superfamily / HAD-like superfamily 類似検索 - ドメイン・相同性 Sodium/potassium-transporting ATPase subunit alpha-1 / Sodium/potassium-transporting ATPase subunit beta-1 / Sodium/potassium-transporting ATPase subunit gamma 類似検索 - 構成要素生物種 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 : 2.9 Å 詳細 データ登録者Guo YY / Zhang YY / Yan RH / Huang BD / Ye FF / Wu LS / Chi XM / Zhou Q 資金援助 中国, 2件 詳細 詳細を隠すOrganization Grant number 国 National Natural Science Foundation of China (NSFC) 31971123 中国 National Natural Science Foundation of China (NSFC) 31800139 中国
引用ジャーナル : Nat Commun / 年 : 2022タイトル : Cryo-EM structures of recombinant human sodium-potassium pump determined in three different states.著者 : Yingying Guo / Yuanyuan Zhang / Renhong Yan / Bangdong Huang / Fangfei Ye / Liushu Wu / Ximin Chi / Yi Shi / Qiang Zhou / 要旨 : Sodium-Potassium Pump (Na/K-ATPase, NKA) is an ion pump that generates an electrochemical gradient of sodium and potassium ions across the plasma membrane by hydrolyzing ATP. During each Post-Albers ... Sodium-Potassium Pump (Na/K-ATPase, NKA) is an ion pump that generates an electrochemical gradient of sodium and potassium ions across the plasma membrane by hydrolyzing ATP. During each Post-Albers cycle, NKA exchanges three cytoplasmic sodium ions for two extracellular potassium ions through alternating changes between the E1 and E2 states. Hitherto, several steps remained unknown during the complete working cycle of NKA. Here, we report cryo-electron microscopy (cryo-EM) structures of recombinant human NKA (hNKA) in three distinct states at 2.7-3.2 Å resolution, representing the E1·3Na and E1·3Na·ATP states with cytosolic gates open and the basic E2·[2K] state, respectively. This work provides the insights into the cytoplasmic Na entrance pathway and the mechanism of cytoplasmic gate closure coupled with ATP hydrolysis, filling crucial gaps in the structural elucidation of the Post-Albers cycle of NKA. 履歴 登録 2021年2月4日 - ヘッダ(付随情報) 公開 2022年6月15日 - マップ公開 2022年6月15日 - 更新 2024年11月6日 - 現状 2024年11月6日 処理サイト : PDBj / 状態 : 公開
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