X-ray crystallography-solution NMR hybrid structure of mouse RyR2 domain A
要素
Ryanodine receptor 2
キーワード
METAL TRANSPORT / ryanodine receptor / type II / alpha2 helix
機能・相同性
機能・相同性情報
manganese ion transmembrane transport / establishment of protein localization to endoplasmic reticulum / type B pancreatic cell apoptotic process / Purkinje myocyte to ventricular cardiac muscle cell signaling / regulation of atrial cardiac muscle cell action potential / left ventricular cardiac muscle tissue morphogenesis / suramin binding / regulation of AV node cell action potential / regulation of SA node cell action potential / sarcoplasmic reticulum calcium ion transport ...manganese ion transmembrane transport / establishment of protein localization to endoplasmic reticulum / type B pancreatic cell apoptotic process / Purkinje myocyte to ventricular cardiac muscle cell signaling / regulation of atrial cardiac muscle cell action potential / left ventricular cardiac muscle tissue morphogenesis / suramin binding / regulation of AV node cell action potential / regulation of SA node cell action potential / sarcoplasmic reticulum calcium ion transport / A band / calcium-induced calcium release activity / Stimuli-sensing channels / regulation of ventricular cardiac muscle cell action potential / : / ventricular cardiac muscle cell action potential / embryonic heart tube morphogenesis / Ion homeostasis / cardiac muscle hypertrophy / calcium ion transport into cytosol / ryanodine-sensitive calcium-release channel activity / response to caffeine / release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / response to redox state / regulation of cardiac muscle contraction by calcium ion signaling / cellular response to caffeine / extrinsic component of cytoplasmic side of plasma membrane / calcium ion transmembrane import into cytosol / response to muscle activity / negative regulation of cytosolic calcium ion concentration / protein kinase A regulatory subunit binding / protein kinase A catalytic subunit binding / positive regulation of the force of heart contraction / intracellularly gated calcium channel activity / smooth endoplasmic reticulum / response to magnesium ion / detection of calcium ion / regulation of cardiac muscle contraction / positive regulation of heart rate / regulation of cytosolic calcium ion concentration / striated muscle contraction / cardiac muscle contraction / response to muscle stretch / release of sequestered calcium ion into cytosol / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / sarcoplasmic reticulum membrane / cellular response to epinephrine stimulus / calcium channel complex / regulation of heart rate / sarcomere / sarcoplasmic reticulum / calcium-mediated signaling / response to calcium ion / sarcolemma / calcium ion transmembrane transport / calcium channel activity / Z disc / intracellular calcium ion homeostasis / calcium ion transport / nuclear envelope / scaffold protein binding / monoatomic ion transmembrane transport / response to hypoxia / calmodulin binding / calcium ion binding / protein kinase binding / enzyme binding / protein-containing complex / membrane / identical protein binding 類似検索 - 分子機能
内容: 0.4 mM [U-13C; U-15N; U-2H] RyR2, 20 mM sodium phosphate, 300 mM sodium chloride, 2 mM TCEP, 5 mM DTT, 90% H2O/10% D2O 溶媒系: 90% H2O/10% D2O
試料
濃度 (mg/ml)
構成要素
Isotopic labeling
Solution-ID
0.4mM
RyR2-1
[U-13C; U-15N; U-2H]
1
20mM
sodium phosphate-2
1
300mM
sodium chloride-3
1
2mM
TCEP-4
1
5mM
DTT-5
1
試料状態
イオン強度: 0.328 / pH: 7 / 圧: ambient / 温度: 288 K
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NMR測定
NMRスペクトロメーター
タイプ: Bruker Avance / 製造業者: Bruker / モデル: AVANCE / 磁場強度: 800 MHz
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解析
NMR software
名称
開発者
分類
NMRPipe
Delaglio, Grzesiek, Vuister, Zhu, PfeiferandBax
解析
XEASY
Bartelsetal.
chemicalshiftassignment
XEASY
Bartelsetal.
peakpicking
TALOS
Cornilescu, DelaglioandBax
データ解析
TALOS
Cornilescu, DelaglioandBax
geometryoptimization
TALOS
Cornilescu, DelaglioandBax
chemicalshiftcalculation
CNS
Brunger, Adams, Clore, Gros, NilgesandRead
精密化
CNS
Brunger, Adams, Clore, Gros, NilgesandRead
構造決定
精密化
手法: simulated annealing / ソフトェア番号: 1 詳細: The RECOORD scripts [Proteins. 2005 Jun 1;59(4):662-72] were employed to reanneal and refine the structure with the addition of the new NMR restraints. PDB entry 3IM5 was used as the starting ...詳細: The RECOORD scripts [Proteins. 2005 Jun 1;59(4):662-72] were employed to reanneal and refine the structure with the addition of the new NMR restraints. PDB entry 3IM5 was used as the starting structure for refinement.
代表構造
選択基準: lowest energy
NMRアンサンブル
コンフォーマー選択の基準: structures with the lowest energy 計算したコンフォーマーの数: 200 / 登録したコンフォーマーの数: 20