分子量: 1393.695 Da / 分子数: 1 / 由来タイプ: 合成 詳細: The parent peptide sequence IWGCSGKLICTTA occurs in HIV GP41 glycoprotein. This analogue contains a modified residue BCY which is a beta3-Cys (i.e. whith an additional CH2 between NH and Calpha) 参照: UniProt: P12488
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実験情報
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実験
実験
手法: 溶液NMR
NMR実験
Conditions-ID
Experiment-ID
Solution-ID
タイプ
1
1
1
2D NOESY
1
2
2
DQF-COSY
1
3
2
TOCSY
NMR実験の詳細
Text: This structure was determined using standard 2D homonuclear techniques. NOESY experiments were recorded with mixing times from 80ms to 800ms in order to determined the best conditions to avoid spin diffusion.
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試料調製
詳細
Solution-ID
内容
溶媒系
1
2mM peptide in 500ul DMSO-D6
DMSO-D6
2
4mM peptide in 500ul DMSO-D6
DMSO-D6
試料状態
圧: ambient / 温度: 298 K
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NMR測定
放射
プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M
放射波長
相対比: 1
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
400
1
Bruker AVANCE
Bruker
AVANCE
600
2
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解析
NMR software
名称
バージョン
開発者
分類
XwinNMR
2.6
BrukerGMBH
collection
XwinNMR
2.6
BrukerGMBH
解析
XEASY
1.2
Bartels C., Xia T., Billeter M., Guentert P. and Wuethrich K., (1995) , J. Biomol. NMR, 5, 1-10
データ解析
DYANA
1.5
Guentert P., Mumenthaler C. and Wuethrich K. (1997) J. Mol. Biol., 273, 283-298
構造決定
Discover
3
MolecularSimulationInc. , SanDiego
構造決定
Discover
3
MolecularSimulationInc. , SanDiego
精密化
精密化
手法: torsion angle dynamics, molecular dynamics, energy minimization. ソフトェア番号: 1 詳細: 50 initial random structures were generated using simulated annealing in DYANA software, followed using the DISCOVER module of MSI software, by 500 steps restrained minimization, 35 ps MD in ...詳細: 50 initial random structures were generated using simulated annealing in DYANA software, followed using the DISCOVER module of MSI software, by 500 steps restrained minimization, 35 ps MD in vacuo at 300K, 200ps MD under NMR restraints and 750ps conjugated gradient EM.
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: target function / 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: 24