分子量: 5781.391 Da / 分子数: 1 / 由来タイプ: 組換発現 / 由来: (組換発現) Tegenaria agrestis (クモ) 解説: The toxin was produced by overexpression in the periplasm of Escherichia coli. 遺伝子: ITX1 / 発現宿主: Escherichia coli (大腸菌) / 株 (発現宿主): BL21 / 参照: UniProt: O46166
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 詳細: Structure of the insecticidal neurotoxin TaITX-1 determined using heteronuclear NMR
NMR実験
Conditions-ID
Experiment-ID
Solution-ID
タイプ
1
1
1
3DCBCA(CO)NH
1
2
1
3D HN(CA)CB
1
3
1
3D HNCO
1
4
1
3D 1H-15N NOESY
1
5
1
4DHCC(CO)NH
1
6
1
2D 1H-15N HSQC
1
7
2
3D 1H-13C NOESY
NMR実験の詳細
Text: Mixing times were 200 ms (3D NOESY) and 12 ms (4D HCC(CO)NH).
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試料調製
詳細
Solution-ID
内容
溶媒系
1
150 uM [U-100% 13C; U-100% 15N] Ta1a-1, 95% H2O/5% D2O
95% H2O/5% D2O
2
150 uM [U-100% 13C; U-100% 15N] Ta1a-2, 100% D2O
100% D2O
試料
濃度 (mg/ml)
構成要素
Isotopic labeling
Solution-ID
150uM
Ta1a-1
[U-100% 13C; U-100% 15N]
1
150uM
Ta1a-2
[U-100% 13C; U-100% 15N]
2
試料状態
イオン強度: 1 / pH: 4.4 / 圧: AMBIENT / 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 / 製造業者: Bruker / モデル: AVANCE / 磁場強度: 900 MHz
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解析
NMR software
名称
バージョン
開発者
分類
CYANA
2.1
P.GUNTERTETAL.
noesyassignment
CYANA
2.1
P.GUNTERTETAL.
構造決定
CYANA
2.1
P.GUNTERTETAL.
精密化
精密化
手法: torsion angle dynamics / ソフトェア番号: 1
NMR constraints
NOE constraints total: 574 / NOE intraresidue total count: 183 / NOE long range total count: 88 / NOE medium range total count: 137 / NOE sequential total count: 166 / Disulfide bond constraints total count: 9 / Hydrogen bond constraints total count: 36 / Protein chi angle constraints total count: 20 / Protein other angle constraints total count: 0 / Protein phi angle constraints total count: 37 / Protein psi angle constraints total count: 36