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基本情報
登録情報 | ![]() | |||||||||||||||
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タイトル | Cryo-EM structure of KCa2.2_II/calmodulin channel in complex with rimtuzalcap | |||||||||||||||
![]() | Cryo-EM map of KCa2.2_II/calmodulin channel in complex with rimtuzalcap | |||||||||||||||
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![]() | Ion channel / Small-conductance calcium-activated potassium channel / TRANSPORT PROTEIN | |||||||||||||||
機能・相同性 | ![]() Ca2+ activated K+ channels / small conductance calcium-activated potassium channel activity / membrane repolarization during atrial cardiac muscle cell action potential / calcium-activated potassium channel activity / positive regulation of potassium ion transport / inward rectifier potassium channel activity / establishment of protein localization to mitochondrial membrane / type 3 metabotropic glutamate receptor binding / establishment of protein localization to membrane / regulation of potassium ion transmembrane transport ...Ca2+ activated K+ channels / small conductance calcium-activated potassium channel activity / membrane repolarization during atrial cardiac muscle cell action potential / calcium-activated potassium channel activity / positive regulation of potassium ion transport / inward rectifier potassium channel activity / establishment of protein localization to mitochondrial membrane / type 3 metabotropic glutamate receptor binding / establishment of protein localization to membrane / regulation of potassium ion transmembrane transport / 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 / nitric-oxide synthase binding / presynaptic endocytosis / regulation of synaptic vesicle exocytosis / calcineurin-mediated signaling / alpha-actinin binding / smooth endoplasmic reticulum / regulation of ryanodine-sensitive calcium-release channel activity / protein phosphatase activator activity / adenylate cyclase binding / regulation of neuronal synaptic plasticity / catalytic complex / regulation of synaptic vesicle endocytosis / detection of calcium ion / regulation of cardiac muscle contraction / postsynaptic cytosol / cellular response to interferon-beta / calcium channel inhibitor activity / phosphatidylinositol 3-kinase binding / presynaptic cytosol / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / titin binding / sperm midpiece / regulation of calcium-mediated signaling / voltage-gated potassium channel complex / potassium ion transmembrane transport / calcium channel complex / T-tubule / regulation of heart rate / calyx of Held / response to amphetamine / adenylate cyclase activator activity / sarcomere / protein serine/threonine kinase activator activity / nitric-oxide synthase regulator activity / regulation of cytokinesis / spindle microtubule / calcium channel regulator activity / positive regulation of receptor signaling pathway via JAK-STAT / response to calcium ion / sarcolemma / modulation of chemical synaptic transmission / potassium ion transport / cellular response to type II interferon / G2/M transition of mitotic cell cycle / Schaffer collateral - CA1 synapse / Z disc / spindle pole / calcium-dependent protein binding / myelin sheath / growth cone / vesicle / dendritic spine / transmembrane transporter binding / postsynaptic membrane / calmodulin binding / protein domain specific binding / neuronal cell body / calcium ion binding / centrosome / protein kinase binding / glutamatergic synapse / cell surface / protein homodimerization activity / protein-containing complex / mitochondrion / nucleoplasm / membrane / plasma membrane / cytosol / cytoplasm 類似検索 - 分子機能 | |||||||||||||||
生物種 | ![]() ![]() ![]() | |||||||||||||||
手法 | 単粒子再構成法 / クライオ電子顕微鏡法 / 解像度: 2.96 Å | |||||||||||||||
![]() | Nam YW / Zhang M | |||||||||||||||
資金援助 | ![]()
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![]() | ![]() タイトル: Structural basis for the subtype-selectivity of K Ca 2.2 channel activators. 著者: Zhang M / Nam YW / Ramanishka A / Xu Y / Yasuda RM / Im D / Cui M / Chandy G / Wulff H | |||||||||||||||
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構造の表示
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マップデータ | ![]() | 423.2 MB | ![]() | |
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ヘッダ (付随情報) | ![]() ![]() | 18.3 KB 18.3 KB | 表示 表示 | ![]() |
画像 | ![]() | 334.8 KB | ||
Filedesc metadata | ![]() | 6.4 KB | ||
その他 | ![]() ![]() | 442.5 MB 442.5 MB | ||
アーカイブディレクトリ | ![]() ![]() | HTTPS FTP |
-検証レポート
文書・要旨 | ![]() | 881.9 KB | 表示 | ![]() |
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文書・詳細版 | ![]() | 881.5 KB | 表示 | |
XML形式データ | ![]() | 18.2 KB | 表示 | |
CIF形式データ | ![]() | 21.8 KB | 表示 | |
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-関連構造データ
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リンク
EMDBのページ | ![]() ![]() |
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「今月の分子」の関連する項目 |
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マップ
ファイル | ![]() | ||||||||||||||||||||
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注釈 | Cryo-EM map of KCa2.2_II/calmodulin channel in complex with rimtuzalcap | ||||||||||||||||||||
ボクセルのサイズ | X=Y=Z: 0.86 Å | ||||||||||||||||||||
密度 |
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対称性 | 空間群: 1 | ||||||||||||||||||||
詳細 | EMDB XML:
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-添付データ
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試料の構成要素
-全体 : RatKCa2.2_II/calmodulin channel in complex with rimtuzalcap
全体 | 名称: RatKCa2.2_II/calmodulin channel in complex with rimtuzalcap |
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要素 |
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-超分子 #1: RatKCa2.2_II/calmodulin channel in complex with rimtuzalcap
超分子 | 名称: RatKCa2.2_II/calmodulin channel in complex with rimtuzalcap タイプ: complex / ID: 1 / 親要素: 0 / 含まれる分子: #1-#2 |
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由来(天然) | 生物種: ![]() |
分子量 | 理論値: 229.73 KDa |
-分子 #1: Small conductance calcium-activated potassium channel protein 2
分子 | 名称: Small conductance calcium-activated potassium channel protein 2 タイプ: protein_or_peptide / ID: 1 / コピー数: 4 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() ![]() |
分子量 | 理論値: 43.349289 KDa |
組換発現 | 生物種: ![]() |
配列 | 文字列: KLGHRRALFE KRKRLSDYAL IFGMFGIVVM VIETELSWGA YDKASLYSLA LKCLISLSTI ILLGLIIVYH AREIQLFMVD NGADDWRIA MTYERIFFIC LEILVCAIHP IPGNYTFTWT ARLAFSYAPS TTTADVDIIL SIPMFLRLYL IARVMLLHSK L FTDASSRS ...文字列: KLGHRRALFE KRKRLSDYAL IFGMFGIVVM VIETELSWGA YDKASLYSLA LKCLISLSTI ILLGLIIVYH AREIQLFMVD NGADDWRIA MTYERIFFIC LEILVCAIHP IPGNYTFTWT ARLAFSYAPS TTTADVDIIL SIPMFLRLYL IARVMLLHSK L FTDASSRS IGALNKINFN TRFVMKTLMT ICPGTVLLVF SISLWIIAAW TVRACERYHD QQDVTSNFLG AMWLISITFL SI GYGDMVP NTYCGKGVCL LTGIMGAGCT ALVVAVVARK LELTKAEKHV HNFMMDTQLT KRVKNAAANV LRETWLIYKN TKL VKKIDH AKVRKHQRKF LQAIHQLRSV KMEQRKLNDQ ANTLVDLAKT QNIMYDMISD LNER UniProtKB: Small conductance calcium-activated potassium channel protein 2 |
-分子 #2: Calmodulin-1
分子 | 名称: Calmodulin-1 / タイプ: protein_or_peptide / ID: 2 / コピー数: 4 / 光学異性体: LEVO |
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由来(天然) | 生物種: ![]() ![]() |
分子量 | 理論値: 16.277873 KDa |
組換発現 | 生物種: ![]() |
配列 | 文字列: LTEEQIAEFK EAFSLFDKDG DGTITTKELG TVMRSLGQNP TEAELQDMIN EVDADGNGTI DFPEFLTMMA RKMKDTDSEE EIREAFRVF DKDGNGYISA AELRHVMTNL GEKLTDEEVD EMIREADIDG DGQVNYEEFV QMMTA UniProtKB: Calmodulin-1 |
-分子 #3: POTASSIUM ION
分子 | 名称: POTASSIUM ION / タイプ: ligand / ID: 3 / コピー数: 2 / 式: K |
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分子量 | 理論値: 39.098 Da |
-分子 #4: N-(4,4-difluorocyclohexyl)-2-(3-methyl-1H-pyrazol-1-yl)-6-(morpho...
分子 | 名称: N-(4,4-difluorocyclohexyl)-2-(3-methyl-1H-pyrazol-1-yl)-6-(morpholin-4-yl)pyrimidin-4-amine タイプ: ligand / ID: 4 / コピー数: 4 / 式: A1B92 |
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分子量 | 理論値: 378.42 Da |
-分子 #5: water
分子 | 名称: water / タイプ: ligand / ID: 5 / コピー数: 4 / 式: HOH |
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分子量 | 理論値: 18.015 Da |
Chemical component information | ![]() ChemComp-HOH: |
-実験情報
-構造解析
手法 | クライオ電子顕微鏡法 |
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![]() | 単粒子再構成法 |
試料の集合状態 | particle |
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試料調製
濃度 | 2 mg/mL |
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緩衝液 | pH: 8 |
凍結 | 凍結剤: ETHANE |
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電子顕微鏡法
顕微鏡 | TFS KRIOS |
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撮影 | フィルム・検出器のモデル: FEI FALCON IV (4k x 4k) 平均電子線量: 50.0 e/Å2 |
電子線 | 加速電圧: 300 kV / 電子線源: ![]() |
電子光学系 | 照射モード: FLOOD BEAM / 撮影モード: BRIGHT FIELD 最大 デフォーカス(公称値): 2.3000000000000003 µm 最小 デフォーカス(公称値): 1.3 µm |
試料ステージ | 試料ホルダーモデル: FEI TITAN KRIOS AUTOGRID HOLDER |
実験機器 | ![]() モデル: Titan Krios / 画像提供: FEI Company |