登録情報 | データベース: EMDB / ID: EMD-72841 |
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タイトル | Cryo EM structure of KCa3.1_R355K_II/calmodulin channel in complex with rimtuzalcap |
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マップデータ | Cryo EM map of KCa3.1_R355K_II/calmodulin channel in complex with rimtuzalcap |
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試料 | - 複合体: Human KCa3.1_R355K_II/calmodulin channel in complex with rimtuzalcap
- タンパク質・ペプチド: Intermediate conductance calcium-activated potassium channel protein 4
- タンパク質・ペプチド: Calmodulin-1
- リガンド: POTASSIUM ION
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キーワード | Ion channel / Intermediate conductance calcium-activated potassium channel / Calmodulin binding protein / TRANSPORT PROTEIN |
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機能・相同性 | 機能・相同性情報
intermediate conductance calcium-activated potassium channel activity / saliva secretion / small conductance calcium-activated potassium channel activity / Ca2+ activated K+ channels / stabilization of membrane potential / macropinocytosis / calcium-activated potassium channel activity / regulation of calcium ion import across plasma membrane / positive regulation of potassium ion transmembrane transport / cell volume homeostasis ...intermediate conductance calcium-activated potassium channel activity / saliva secretion / small conductance calcium-activated potassium channel activity / Ca2+ activated K+ channels / stabilization of membrane potential / macropinocytosis / calcium-activated potassium channel activity / regulation of calcium ion import across plasma membrane / positive regulation of potassium ion transmembrane transport / cell volume homeostasis / CaM pathway / Cam-PDE 1 activation / Sodium/Calcium exchangers / Calmodulin induced events / Reduction of cytosolic Ca++ levels / Activation of Ca-permeable Kainate Receptor / CREB1 phosphorylation through the activation of CaMKII/CaMKK/CaMKIV cascasde / phospholipid translocation / Loss of phosphorylation of MECP2 at T308 / CREB1 phosphorylation through the activation of Adenylate Cyclase / CaMK IV-mediated phosphorylation of CREB / PKA activation / negative regulation of high voltage-gated calcium channel activity / Glycogen breakdown (glycogenolysis) / CLEC7A (Dectin-1) induces NFAT activation / Activation of RAC1 downstream of NMDARs / negative regulation of ryanodine-sensitive calcium-release channel activity / organelle localization by membrane tethering / mitochondrion-endoplasmic reticulum membrane tethering / autophagosome membrane docking / negative regulation of calcium ion export across plasma membrane / regulation of cardiac muscle cell action potential / presynaptic endocytosis / Synthesis of IP3 and IP4 in the cytosol / positive regulation of T cell receptor signaling pathway / regulation of cell communication by electrical coupling involved in cardiac conduction / Phase 0 - rapid depolarisation / Negative regulation of NMDA receptor-mediated neuronal transmission / calcineurin-mediated signaling / Unblocking of NMDA receptors, glutamate binding and activation / RHO GTPases activate PAKs / Ion transport by P-type ATPases / Uptake and function of anthrax toxins / regulation of ryanodine-sensitive calcium-release channel activity / Long-term potentiation / protein phosphatase activator activity / Calcineurin activates NFAT / Regulation of MECP2 expression and activity / DARPP-32 events / immune system process / catalytic complex / Smooth Muscle Contraction / detection of calcium ion / potassium channel activity / regulation of cardiac muscle contraction / RHO GTPases activate IQGAPs / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / cellular response to interferon-beta / Protein methylation / calcium channel inhibitor activity / Activation of AMPK downstream of NMDARs / presynaptic cytosol / Ion homeostasis / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / eNOS activation / titin binding / Tetrahydrobiopterin (BH4) synthesis, recycling, salvage and regulation / sperm midpiece / regulation of calcium-mediated signaling / voltage-gated potassium channel complex / potassium ion transmembrane transport / calcium channel complex / FCERI mediated Ca+2 mobilization / substantia nigra development / Ras activation upon Ca2+ influx through NMDA receptor / regulation of heart rate / FCGR3A-mediated IL10 synthesis / Antigen activates B Cell Receptor (BCR) leading to generation of second messengers / calyx of Held / adenylate cyclase activator activity / sarcomere / VEGFR2 mediated cell proliferation / protein serine/threonine kinase activator activity / regulation of cytokinesis / VEGFR2 mediated vascular permeability / positive regulation of protein secretion / spindle microtubule / calcium channel regulator activity / Translocation of SLC2A4 (GLUT4) to the plasma membrane / positive regulation of receptor signaling pathway via JAK-STAT / establishment of localization in cell / RAF activation / Transcriptional activation of mitochondrial biogenesis / defense response / response to calcium ion / potassium ion transport / cellular response to type II interferon / Stimuli-sensing channels / G2/M transition of mitotic cell cycle / ruffle membrane類似検索 - 分子機能 Calmodulin-binding domain / Potassium channel, calcium-activated, SK / SK, calmodulin-binding domain superfamily / Calmodulin binding domain / Calcium-activated SK potassium channel / Calmodulin binding domain / Potassium channel domain / Ion channel / : / EF-hand domain pair ...Calmodulin-binding domain / Potassium channel, calcium-activated, SK / SK, calmodulin-binding domain superfamily / Calmodulin binding domain / Calcium-activated SK potassium channel / Calmodulin binding domain / Potassium channel domain / Ion channel / : / EF-hand domain pair / EF-hand, calcium binding motif / EF-Hand 1, calcium-binding site / EF-hand calcium-binding domain. / EF-hand calcium-binding domain profile. / EF-hand domain / EF-hand domain pair類似検索 - ドメイン・相同性 Intermediate conductance calcium-activated potassium channel protein 4 / Calmodulin-1類似検索 - 構成要素 |
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生物種 | Homo sapiens (ヒト) |
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手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 3.4 Å |
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データ登録者 | Nam YW / Zhang M |
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資金援助 | 米国, 4件 Organization | Grant number | 国 |
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American Heart Association | 23AIREA1039423 | 米国 | American Heart Association | 24CDA1260237 | 米国 | National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS) | 4R33 NS101182-03 | 米国 | National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS) | R15 NS130420-01A1 | 米国 |
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引用 | ジャーナル: To Be Published タイトル: Structural basis for the subtype-selectivity of KCa2.2 channel activators. 著者: Nam YW / Zhang M |
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履歴 | 登録 | 2025年9月23日 | - |
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ヘッダ(付随情報) 公開 | 2025年10月1日 | - |
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マップ公開 | 2025年10月1日 | - |
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更新 | 2025年10月1日 | - |
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現状 | 2025年10月1日 | 処理サイト: RCSB / 状態: 公開 |
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