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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: 1qx7 | ||||||
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| タイトル | Crystal structure of apoCaM bound to the gating domain of small conductance Ca2+-activated potassium channel | ||||||
要素 |
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キーワード | SIGNALING PROTEIN / apoCalmodulin / SK channel / small conductance Ca2+ activated K+ channel / CaMBD / gating domain / Ca2+-activated gating / functioanl bipartism | ||||||
| 機能・相同性 | 機能・相同性情報Ca2+ activated K+ channels / regulation of store-operated calcium channel activity / : / : / small conductance calcium-activated potassium channel activity / membrane repolarization during atrial cardiac muscle cell action potential / regulation of response to tumor cell / positive regulation of autophagic cell death / DAPK1-calmodulin complex / calcium-activated potassium channel activity ...Ca2+ activated K+ channels / regulation of store-operated calcium channel activity / : / : / small conductance calcium-activated potassium channel activity / membrane repolarization during atrial cardiac muscle cell action potential / regulation of response to tumor cell / positive regulation of autophagic cell death / DAPK1-calmodulin complex / 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 / positive regulation of DNA binding / negative regulation of high voltage-gated calcium channel activity / 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 / nitric-oxide synthase binding / regulation of synaptic vesicle exocytosis / calcineurin-mediated signaling / smooth endoplasmic reticulum / alpha-actinin binding / adenylate cyclase binding / regulation of ryanodine-sensitive calcium-release channel activity / protein phosphatase activator activity / regulation of neuronal synaptic plasticity / detection of calcium ion / catalytic complex / regulation of synaptic vesicle endocytosis / regulation of cardiac muscle contraction / postsynaptic cytosol / activation of adenylate cyclase activity / cellular response to interferon-beta / phosphatidylinositol 3-kinase binding / calcium channel inhibitor activity / presynaptic cytosol / positive regulation of nitric-oxide synthase activity / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / enzyme regulator activity / 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 / nitric-oxide synthase regulator activity / protein serine/threonine kinase activator activity / regulation of cytokinesis / spindle microtubule / calcium channel regulator activity / positive regulation of receptor signaling pathway via JAK-STAT / calcium-mediated signaling / 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 / disordered domain specific binding / calcium-dependent protein binding / myelin sheath / protein autophosphorylation / growth cone / vesicle / dendritic spine / transmembrane transporter binding / postsynaptic membrane / calmodulin binding / neuron projection / positive regulation of apoptotic process / protein domain specific binding / neuronal cell body / calcium ion binding / centrosome / protein kinase binding / glutamatergic synapse / cell surface / protein homodimerization activity 類似検索 - 分子機能 | ||||||
| 生物種 | ![]() | ||||||
| 手法 | X線回折 / シンクロトロン / molecular replacement combined with MAD / 解像度: 3.09 Å | ||||||
データ登録者 | Schumacher, M.A. / Crum, M. / Miller, M.C. | ||||||
引用 | ジャーナル: STRUCTURE / 年: 2004タイトル: Crystal structures of apocalmodulin and an apocalmodulin/SK potassium channel gating domain complex. 著者: Schumacher, M.A. / Crum, M. / Miller, M.C. | ||||||
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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 | 1qx7.cif.gz | 149 KB | 表示 | PDBx/mmCIF形式 |
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| PDB形式 | pdb1qx7.ent.gz | 120.9 KB | 表示 | PDB形式 |
| PDBx/mmJSON形式 | 1qx7.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
| 文書・要旨 | 1qx7_validation.pdf.gz | 409.6 KB | 表示 | wwPDB検証レポート |
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| 文書・詳細版 | 1qx7_full_validation.pdf.gz | 462.6 KB | 表示 | |
| XML形式データ | 1qx7_validation.xml.gz | 21.3 KB | 表示 | |
| CIF形式データ | 1qx7_validation.cif.gz | 31.4 KB | 表示 | |
| アーカイブディレクトリ | https://data.pdbj.org/pub/pdb/validation_reports/qx/1qx7 ftp://data.pdbj.org/pub/pdb/validation_reports/qx/1qx7 | HTTPS FTP |
-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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| 詳細 | the apoCaM/CaMBD complex is monomeric, also in the crystal are two domain swapped dimers of apoCaM which "anchor" the flexible apoCaM/CaMBD complex |
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要素
| #1: タンパク質 | 分子量: 17143.406 Da / 分子数: 5 / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() 遺伝子: CALM1, CAM1, CALM, CAM, CALM2, CAM2, CAMB, CALM3, CAM3, CAMC プラスミド: pET23b / 生物種 (発現宿主): Escherichia coli / 発現宿主: ![]() #2: タンパク質 | | 分子量: 10216.989 Da / 分子数: 1 / Fragment: SK2 gating domain (residues 411-487) / 由来タイプ: 組換発現 / 由来: (組換発現) ![]() ![]() Has protein modification | Y | |
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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: 1.84 Å3/Da / 溶媒含有率: 33.07 % |
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| 結晶化 | 温度: 298 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 6.5 詳細: Citrate, NaCl, Hepes, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 298K |
-データ収集
| 回折 | 平均測定温度: 100 K |
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| 放射光源 | 由来: シンクロトロン / サイト: SSRL / ビームライン: BL1-5 / 波長: 1.05 Å |
| 検出器 | タイプ: ADSC QUANTUM 4 / 検出器: CCD / 日付: 2002年5月14日 |
| 放射 | 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: 1.05 Å / 相対比: 1 |
| 反射 | 解像度: 3.09→75.16 Å / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 |
| 反射 シェル | 解像度: 3.09→3.51 Å / % possible all: 99.9 |
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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: molecular replacement combined with MAD 開始モデル: 1QX5 解像度: 3.09→75.16 Å / Rfactor Rfree error: 0.007 / Data cutoff high absF: 3330198.36 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / 交差検証法: THROUGHOUT / σ(F): 0 / 立体化学のターゲット値: Engh & Huber
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| 溶媒の処理 | 溶媒モデル: FLAT MODEL / Bsol: 83.9875 Å2 / ksol: 0.365198 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 原子変位パラメータ | Biso mean: 69.3 Å2
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| Refine analyze |
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| 精密化ステップ | サイクル: LAST / 解像度: 3.09→75.16 Å
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| 拘束条件 |
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| LS精密化 シェル | 解像度: 3.09→3.51 Å / Rfactor Rfree error: 0.019 / Total num. of bins used: 6
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| Xplor file |
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万見について





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