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データを開く
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基本情報
| 登録情報 | データベース: PDB / ID: 6b8p | ||||||
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| タイトル | Crystal Structure of the Mg2+/CaM:Kv7.4 (KCNQ4) AB domain complex | ||||||
要素 |
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キーワード | METAL TRANSPORT / ion channel / complex | ||||||
| 機能・相同性 | 機能・相同性情報Voltage gated Potassium channels / Sensory processing of sound by outer hair cells of the cochlea / CaM pathway / Cam-PDE 1 activation / Sodium/Calcium exchangers / Sensory processing of sound by inner hair cells of the cochlea / Calmodulin induced events / inner ear morphogenesis / Reduction of cytosolic Ca++ levels / Activation of Ca-permeable Kainate Receptor ...Voltage gated Potassium channels / Sensory processing of sound by outer hair cells of the cochlea / CaM pathway / Cam-PDE 1 activation / Sodium/Calcium exchangers / Sensory processing of sound by inner hair cells of the cochlea / Calmodulin induced events / inner ear morphogenesis / Reduction of cytosolic Ca++ levels / Activation of Ca-permeable Kainate Receptor / CREB1 phosphorylation through the activation of CaMKII/CaMKK/CaMKIV cascasde / Loss of phosphorylation of MECP2 at T308 / CREB1 phosphorylation through the activation of Adenylate Cyclase / negative regulation of high voltage-gated calcium channel activity / PKA activation / CaMK IV-mediated phosphorylation of CREB / 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 ryanodine-sensitive calcium-release channel activity / regulation of cardiac muscle cell action potential / presynaptic endocytosis / Synthesis of IP3 and IP4 in the cytosol / Phase 0 - rapid depolarisation / Negative regulation of NMDA receptor-mediated neuronal transmission / Unblocking of NMDA receptors, glutamate binding and activation / RHO GTPases activate PAKs / calcineurin-mediated signaling / regulation of cell communication by electrical coupling involved in cardiac conduction / Ion transport by P-type ATPases / Uptake and function of anthrax toxins / protein phosphatase activator activity / Long-term potentiation / Calcineurin activates NFAT / Regulation of MECP2 expression and activity / DARPP-32 events / Smooth Muscle Contraction / voltage-gated potassium channel activity / potassium channel activity / detection of calcium ion / regulation of cardiac muscle contraction / catalytic complex / RHO GTPases activate IQGAPs / calcium channel inhibitor activity / presynaptic cytosol / cellular response to interferon-beta / Activation of AMPK downstream of NMDARs / Ion homeostasis / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / eNOS activation / Protein methylation / Tetrahydrobiopterin (BH4) synthesis, recycling, salvage and regulation / titin binding / regulation of calcium-mediated signaling / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / voltage-gated potassium channel complex / FCERI mediated Ca+2 mobilization / potassium ion transmembrane transport / calcium channel complex / substantia nigra development / FCGR3A-mediated IL10 synthesis / regulation of heart rate / Antigen activates B Cell Receptor (BCR) leading to generation of second messengers / Ras activation upon Ca2+ influx through NMDA receptor / basal plasma membrane / calyx of Held / adenylate cyclase activator activity / VEGFR2 mediated cell proliferation / regulation of cytokinesis / VEGFR2 mediated vascular permeability / protein serine/threonine kinase activator activity / spindle microtubule / sarcomere / positive regulation of receptor signaling pathway via JAK-STAT / Translocation of SLC2A4 (GLUT4) to the plasma membrane / calcium channel regulator activity / potassium ion transport / Transcriptional activation of mitochondrial biogenesis / sensory perception of sound / RAF activation / response to calcium ion / cellular response to type II interferon / G2/M transition of mitotic cell cycle / Stimuli-sensing channels / spindle pole / Signaling by RAF1 mutants / calcium-dependent protein binding / Signaling by moderate kinase activity BRAF mutants / Paradoxical activation of RAF signaling by kinase inactive BRAF / Signaling downstream of RAS mutants / RAS processing / Signaling by BRAF and RAF1 fusions / long-term synaptic potentiation / Platelet degranulation / myelin sheath 類似検索 - 分子機能 | ||||||
| 生物種 | Homo sapiens (ヒト) | ||||||
| 手法 | X線回折 / シンクロトロン / 分子置換 / 解像度: 2.2 Å | ||||||
データ登録者 | Chang, A. / Minor, D.L. | ||||||
| 資金援助 | 米国, 1件
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引用 | ジャーナル: Neuron / 年: 2018タイトル: A Calmodulin C-Lobe Ca 著者: Chang, A. / Abderemane-Ali, F. / Hura, G.L. / Rossen, N.D. / Gate, R.E. / Minor, D.L. | ||||||
| 履歴 |
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構造の表示
| 構造ビューア | 分子: Molmil Jmol/JSmol |
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ダウンロードとリンク
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ダウンロード
| PDBx/mmCIF形式 | 6b8p.cif.gz | 194.5 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb6b8p.ent.gz | 154.7 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 6b8p.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/b8/6b8p ftp://data.pdbj.org/pub/pdb/validation_reports/b8/6b8p | HTTPS FTP |
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-関連構造データ
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リンク
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集合体
| 登録構造単位 | ![]()
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| 単位格子 |
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要素
| #1: タンパク質 | 分子量: 9913.735 Da / 分子数: 4 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: KCNQ4 / プラスミド: pET28 / 発現宿主: ![]() #2: タンパク質 | 分子量: 16852.545 Da / 分子数: 4 / 由来タイプ: 組換発現 / 由来: (組換発現) Homo sapiens (ヒト) / 遺伝子: CALM1, CALM, CAM, CAM1 / プラスミド: pEGST / 発現宿主: ![]() #3: 化合物 | ChemComp-MG / #4: 化合物 | ChemComp-SO4 / #5: 水 | ChemComp-HOH / | |
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-実験情報
-実験
| 実験 | 手法: X線回折 / 使用した結晶の数: 1 |
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試料調製
| 結晶 | マシュー密度: 2.96 Å3/Da / 溶媒含有率: 58.44 % |
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| 結晶化 | 温度: 277 K / 手法: 蒸気拡散法, ハンギングドロップ法 / pH: 6.5 / 詳細: 2M ammonium sulfate, 0.1M BisTris pH 6.5, 1mM MgCl2 |
-データ収集
| 回折 | 平均測定温度: 80 K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| 放射光源 | 由来: シンクロトロン / サイト: APS / ビームライン: 23-ID-B / 波長: 0.9795 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 検出器 | タイプ: DECTRIS PILATUS 6M / 検出器: PIXEL / 日付: 2016年8月20日 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 放射 | モノクロメーター: Si(111) double crystal Khozu / プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 放射波長 | 波長: 0.9795 Å / 相対比: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 反射 | 解像度: 2.2→14.959 Å / Num. obs: 124600 / % possible obs: 99.6 % / Observed criterion σ(I): -3 / 冗長度: 4.734 % / Biso Wilson estimate: 41.27 Å2 / CC1/2: 0.999 / Rmerge(I) obs: 0.09 / Rrim(I) all: 0.102 / Χ2: 1.085 / Net I/σ(I): 12.72 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 反射 シェル | Diffraction-ID: 1
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解析
| ソフトウェア |
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| 精密化 | 構造決定の手法: 分子置換開始モデル: 6B8L 解像度: 2.2→14.959 Å / SU ML: 0.28 / 交差検証法: FREE R-VALUE / σ(F): 1.35 / 位相誤差: 28.27
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| 溶媒の処理 | 減衰半径: 0.9 Å / VDWプローブ半径: 1.11 Å | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 原子変位パラメータ | Biso max: 152.34 Å2 / Biso mean: 60.5718 Å2 / Biso min: 24.92 Å2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 精密化ステップ | サイクル: final / 解像度: 2.2→14.959 Å
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| 拘束条件 |
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| LS精密化 シェル | Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 14
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万見について




Homo sapiens (ヒト)
X線回折
米国, 1件
引用













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