手法: 溶液NMR 詳細: Head-to-tail (Arg-Gly) cyclic peptide. Residues 5 and 14 are replaced by alpha-aminobuytyric acid.
NMR実験
Conditions-ID
Experiment-ID
Solution-ID
タイプ
1
1
1
2D 1H-1H TOCSY
1
2
1
2D 1H-1H NOESY
1
3
2
2D 1H-13C HSQC
1
4
1
2D DQF-COSY
1
5
2
2D 1H-1H ECOSY
-
試料調製
詳細
Solution-ID
内容
溶媒系
1
0.6mM [Aba5,14]BTD, 10ugDSS, 90% H2O/10% D2O
90% H2O/10% D2O
2
0.6mM [Aba5,14]BTD, 10ugDSS, 100% D2O
100% D2O
試料
濃度 (mg/ml)
構成要素
Solution-ID
0.6mM
[Aba5,14]BTD-2-1
1
0.010mg/mL
DSS-2
1
0.6mM
[Aba5,14]BTD-2-3
2
0.010mg/mL
DSS-4
2
試料状態
pH: 4 / 圧: ambient / 温度: 298 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
-
解析
NMR software
名称
バージョン
開発者
分類
CcpNmr
2.1
CCPN
データ解析
CcpNmr
2.1
CCPN
chemicalshiftassignment
CcpNmr
2.1
CCPN
peakpicking
TopSpin
2.1
BrukerBiospin
collection
TopSpin
2.1
BrukerBiospin
解析
CYANA
3
Guntert, MumenthalerandWuthrich
構造決定
CNS
2.1
Brunger, Adams, Clore, Gros, NilgesandRead
精密化
CYANA
Guntert, MumenthalerandWuthrich
精密化
精密化
手法: simulated annealing, torsion angle dynamics / ソフトェア番号: 1 詳細: Structures were calculated using the scripts from the RECOORD database. Used to calculate preliminary structures
NMR constraints
NOE constraints total: 118 / NOE intraresidue total count: 62 / NOE long range total count: 12 / NOE medium range total count: 8 / NOE sequential total count: 36 / Hydrogen bond constraints total count: 16 / Protein chi angle constraints total count: 8 / Protein other angle constraints total count: 0 / Protein phi angle constraints total count: 17 / Protein psi angle constraints total count: 16
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: 50 / 登録したコンフォーマーの数: 20