手法: 溶液NMR 詳細: Refinement of the metal ion coordination in zinc-bound CzrA
NMR実験
Conditions-ID
Experiment-ID
Solution-ID
タイプ
1
1
1
2D 1H-15N TROSY
1
2
1
2D 1H-13C HMQC
1
3
1
3DCBCA(CO)NH
1
4
1
3D HN(CA)CB
1
5
1
3DC(CO)NH
1
6
1
3DH(CCO)NH
1
7
1
3D HNCO
1
8
1
2D 1H-15N IPAP-HSQC
1
9
1
3D 1H-15N NOESY-TROSY
NMR実験の詳細
Text: Residual Dipolar Couplings were measured in anisotropic environment using phage or gels.
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試料調製
詳細
Solution-ID
内容
溶媒系
1
2 mM [U-100% 13C; U-100% 15N] CzrA, 2.4 mM Zinc ion, 10 mM [U-100% 2H] MES, 50 mM sodium chloride, 95% H2O/5% D2O
95% H2O/5% D2O
2
2 mM [U-2H; U-15N]; [U-13C]-Ile,Leu,Val-methyl CzrA, 2.4 mM Zinc ion, 10 mM [U-100% 2H] MES, 50 mM sodium chloride, 95% H2O/5% D2O
95% H2O/5% D2O
試料
濃度 (mg/ml)
構成要素
Isotopic labeling
Solution-ID
2mM
CzrA-1
[U-100% 13C; U-100% 15N]
1
2.4mM
Zinc ion-2
1
10mM
MES-3
[U-100% 2H]
1
50mM
sodium chloride-4
1
2mM
CzrA-5
[U-2H; U-15N]; [U-13C]-Ile,Leu,Val-methyl
2
2.4mM
Zinc ion-6
2
10mM
MES-7
[U-100% 2H]
2
50mM
sodium chloride-8
2
試料状態
イオン強度: 50 / pH: 6 / 圧: 1 atm / 温度: 313 K
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NMR測定
NMRスペクトロメーター
タイプ
製造業者
モデル
磁場強度 (MHz)
Spectrometer-ID
Varian INOVA
Varian
INOVA
600
1
Varian INOVA
Varian
INOVA
800
2
Varian INOVA
Varian
INOVA
900
3
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解析
NMR software
名称
バージョン
開発者
分類
NMRPipe
Delaglio, Grzesiek, Vuister, Zhu, PfeiferandBax
解析
Sparky
Goddard
peakpicking
Sparky
Goddard
chemicalshiftassignment
Sparky
Goddard
データ解析
MARS
(MARS)-Jung and Zweckstetter
chemicalshiftassignment
Amber
11
DavidCaseetal.
構造決定
Amber
11
DavidCaseetal.
精密化
Amber
11
DavidCaseetal.
geometryoptimization
Amber
11
DavidCaseetal.
データ解析
精密化
手法: molecular dynamics, quantum mechanical molecular mechanical molecular dynamics ソフトェア番号: 1 詳細: 132 ns of combined NOE and RDC constrained molecular dynamics and quantum mechanical / molecular mechanical molecular dynamics
NMR constraints
NOE constraints total: 756 / NOE intraresidue total count: 24 / NOE long range total count: 188 / NOE medium range total count: 292 / NOE sequential total count: 252
代表構造
選択基準: fewest violations
NMRアンサンブル
コンフォーマー選択の基準: Structures from 1 ns of independent QM/MM MD sampling 計算したコンフォーマーの数: 132000 / 登録したコンフォーマーの数: 10