根拠: assay for oligomerization, 1D 1H NMR spectra were analyzed between 0.1 mM and 5 mM, a fifty-fold range of concentrations. All spectra were identical (free of dispersion and line-broadening ...根拠: assay for oligomerization, 1D 1H NMR spectra were analyzed between 0.1 mM and 5 mM, a fifty-fold range of concentrations. All spectra were identical (free of dispersion and line-broadening effects), independent of concentration below and inclusive of a peptide concentration of 2mM, which was selected for structure analysis.
タイプ: lyophilized powder 内容: 2 mM Ac-hGal(17-30)-NH2, 4.14 mM [U-2H] sodium acetate, 5.86 mM [U-2H] acetic acid, 95% H2O/5% D2O 詳細: peptide was suspended and dissolved into deuterated acetate buffer, which had been prepared in 95:5 H2O:D2O to within 0.02 units of pH 4.6. Label: Ac-hGal(17-30)-NH2 / 溶媒系: 95% H2O/5% D2O
試料
濃度 (mg/ml)
構成要素
Isotopic labeling
Solution-ID
2mM
Ac-hGal(17-30)-NH2
naturalabundance
1
4.14mM
sodiumacetate
[U-2H]
1
5.86mM
aceticacid
[U-2H]
1
試料状態
イオン強度: sample was dissolved in 10 mM sodium acetate-d3/acetic acid-d4 buffer at pH 4.6; no additional additives were present. Not defined Label: 1 / pH: 4.6 / PH err: 0.02 / 圧: 1 atm / 温度: 298 K
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NMR測定
NMRスペクトロメーター
タイプ: Bruker AVANCE II / 製造業者: Bruker / モデル: AVANCE II / 磁場強度: 600 MHz
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解析
NMR software
名称
開発者
分類
CNS
Brunger, Adams, Clore, Gros, NilgesandRead
structurecalculation
CNS
Brunger, Adams, Clore, Gros, NilgesandRead
精密化
MestreLab (Mnova / MestReNova / MestReC)
MestreLab
chemicalshiftassignment
MestreLab (Mnova / MestReNova / MestReC)
MestreLab
データ解析
MestreLab (Mnova / MestReNova / MestReC)
MestreLab
peakpicking
精密化
手法: simulated annealing / ソフトェア番号: 2
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: 1000 / 登録したコンフォーマーの数: 25