back calculated data agree with experimental NOESY spectrum, structures with the least restraint violations, structures with the lowest energy
代表モデル
モデル #5
closest to the average
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要素
#1: タンパク質・ペプチド
PSI-CONOTOXINPIIIE
分子量: 2727.181 Da / 分子数: 1 / 由来タイプ: 合成 詳細: Solid phase chemical synthesis was used to incorporate 3-13C-labeled cysteine at positions 4 and 21. The sequence is the same as the native peptide from CONUS PURPURASCENS (PURPLE CONE). 参照: UniProt: P56529
Has protein modification
Y
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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
3D 13C-separated NOESY
1
2
1
DQF-COSY
2
3
2
Half-filtered PE-COSY
1
4
1
Double half-filtered 2D NOESY
NMR実験の詳細
Text: This structure was determined using isotopic filtration and isotope-selected 1H observation in addition to standard homonuclear techniques.
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試料調製
詳細
Solution-ID
内容
溶媒系
1
16 mM psi-conotoxin PIIIE [4,21] 3-13C-Cys; TFA added to pH 3.5
90% H2O/10% D2O
2
16 mM psi-conotoxin PIIIE [4,21] 3-13C-Cys
100% D2O
試料状態
Conditions-ID
イオン強度
pH
圧 (kPa)
温度 (K)
1
16 mM; hexa-TFA salt
3.48
ambient
277K
2
16 mM; hexa-TFA salt
3.48
ambient
295K
結晶化
*PLUS
手法: other / 詳細: NMR
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NMR測定
放射
プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
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
Varian INOVA
Varian
INOVA
600
1
Varian UNITY
Varian
UNITY
500
2
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解析
NMR software
名称
バージョン
開発者
分類
VNMR
6.1B
Varian, Inc.
collection
Felix
97
MSI, Inc.
解析
IRMA
97
MSI, Inc.
iterativematrixrelaxation
DGII
97
MSI, Inc.
構造決定
Discover
2.98
MSI, Inc.
構造決定
Discover
2.98
MSI, Inc.
精密化
精密化
手法: distance geometry molecular dynamics relaxation matrix distance geometry simulated annealing ソフトェア番号: 1 詳細: These structures are based on 566 NOE-derived distance restraints, 9 restraints on phi derived from J-coupling, and 13 restraints on chi1 determined from J-coupling and NOE volumes.
代表構造
選択基準: closest to the average
NMRアンサンブル
コンフォーマー選択の基準: back calculated data agree with experimental NOESY spectrum, structures with the least restraint violations, 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: 13