ジャーナル: J.Biomol.Nmr / 年: 2013 タイトル: Solution structure of the two RNA recognition motifs of hnRNP A1 using segmental isotope labeling: how the relative orientation between RRMs influences the nucleic acid binding topology. 著者: Barraud, P. / Allain, F.H.
1.0 mM RRM1[U-13C, U-15N]-RRM2[natural abundance] UP1, 10 mM sodium phosphate, 1 mM DTT, 100% D2O
100% D2O
2
0.8-1.2 mM [U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT, 90% H2O/10% D2O
90% H2O/10% D2O
3
0.8-1.2 mM [U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT, 100% D2O
100% D2O
4
0.8-1.2 mM [U-13C; U-15N] UP1, 10 mM sodium phosphate, 1 mM DTT, 90% H2O/10% D2O
90% H2O/10% D2O
試料
濃度 (mg/ml)
単位
構成要素
Isotopic labeling
Conc. range (mg/ml)
Solution-ID
1.0mM
UP1-1
RRM1[U-13C, U-15N]-RRM2[natural abundance]
1
10mM
sodium phosphate-2
1
1mM
DTT-3
1
mM
UP1-4
[U-15N]
0.8-1.2
2
10mM
sodium phosphate-5
2
1mM
DTT-6
2
mM
UP1-7
[U-15N]
0.8-1.2
3
10mM
sodium phosphate-8
3
1mM
DTT-9
3
mM
UP1-10
[U-13C; U-15N]
0.8-1.2
4
10mM
sodium phosphate-11
4
1mM
DTT-12
4
試料状態
イオン強度: 10 / pH: 6.5 / 圧: ambient / 温度: 303 K
-
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
Bruker Avance
Bruker
AVANCE
500
1
Bruker Avance
Bruker
AVANCE
600
2
Bruker Avance
Bruker
AVANCE
700
3
Bruker Avance
Bruker
AVANCE
750
4
Bruker Avance
Bruker
AVANCE
900
5
-
解析
NMR software
名称
バージョン
開発者
分類
TopSpin
2.1
BrukerBiospin
collection
TopSpin
2.1
BrukerBiospin
解析
Sparky
Goddard
データ解析
Sparky
Goddard
chemicalshiftassignment
CYANA
3
Guntert
構造決定
CNS
1.3
Brunger, Adams, Clore, Gros, NilgesandRead
精密化
TALOS
talos+
Cornilescu, DelaglioandBax
データ解析
ProcheckNMR
LaskowskiandMacArthur
データ解析
精密化
手法: simulated annealing / ソフトェア番号: 1
NMR constraints
NOE constraints total: 5354 / NOE intraresidue total count: 1108 / NOE long range total count: 1870 / NOE medium range total count: 1015 / NOE sequential total count: 1361 / Hydrogen bond constraints total count: 2 / Protein phi angle constraints total count: 168 / Protein psi angle constraints total count: 168
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: 100 / 登録したコンフォーマーの数: 20 / Maximum torsion angle constraint violation: 3.5 ° / Maximum upper distance constraint violation: 0.27 Å