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
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 / Stimuli-sensing channels / regulation of ventricular cardiac muscle cell action potential ...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 / Stimuli-sensing channels / regulation of ventricular cardiac muscle cell action potential / ventricular cardiac muscle cell action potential / positive regulation of sequestering of calcium ion / Ion homeostasis / embryonic heart tube morphogenesis / 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 / cellular response to caffeine / calcium ion transmembrane import into cytosol / protein kinase A regulatory subunit binding / response to muscle activity / protein kinase A catalytic subunit binding / positive regulation of the force of heart contraction / smooth endoplasmic reticulum / intracellularly gated calcium channel activity / detection of calcium ion / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / positive regulation of heart rate / response to muscle stretch / cellular response to epinephrine stimulus / calcium channel complex / sarcoplasmic reticulum membrane / regulation of heart rate / sarcoplasmic reticulum / sarcomere / establishment of localization in cell / calcium-mediated signaling / calcium ion transmembrane transport / calcium channel activity / Z disc / intracellular calcium ion homeostasis / calcium ion transport / calmodulin binding / response to hypoxia / calcium ion binding / protein kinase binding / enzyme binding / protein-containing complex / identical protein binding / membrane 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
-
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