- PDB-2khq: Solution NMR structure of a phage integrase SSP1947 fragment 59-1... -
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基本情報
登録情報
データベース: PDB / ID: 2khq
タイトル
Solution NMR structure of a phage integrase SSP1947 fragment 59-159 from Staphylococcus saprophyticus, Northeast Structural Genomics Consortium Target SyR103B
要素
Integrase
キーワード
DNA BINDING PROTEIN / all-alpha / Structural Genomics / PSI-2 / Protein Structure Initiative / Northeast Structural Genomics Consortium / NESG
機能・相同性
機能・相同性情報
DNA integration / DNA recombination / DNA binding 類似検索 - 分子機能
0.69 mM [U-100% 13C; U-100% 15N] syr103b_protein, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 50 uM DSS, 0.02 % sodium azide, 90% H2O/10% D2O
90% H2O/10% D2O
2
0.6 mM [U-5% 13C; U-100% 15N] syr103b_protein, 20 mM MES, 200 mM sodium chloride, 5 mM calcium chloride, 50 uM DSS, 0.02 % sodium azide, 90% H2O/10% D2O
90% H2O/10% D2O
試料
濃度 (mg/ml)
構成要素
Isotopic labeling
Solution-ID
0.69mM
syr103b_protein-1
[U-100% 13C; U-100% 15N]
1
20mM
MES-2
1
200mM
sodium chloride-3
1
5mM
calcium chloride-4
1
50uM
DSS-5
1
0.02 %
sodium azide-6
1
0.6mM
syr103b_protein-7
[U-5% 13C; U-100% 15N]
2
20mM
MES-8
2
200mM
sodium chloride-9
2
5mM
calcium chloride-10
2
50uM
DSS-11
2
0.02 %
sodium azide-12
2
試料状態
イオン強度: 0.215 / pH: 6.5 / 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
製造業者
モデル
磁場強度 (MHz)
Spectrometer-ID
Varian INOVA
Varian
INOVA
600
1
Varian INOVA
Varian
INOVA
750
2
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解析
NMR software
名称
バージョン
開発者
分類
VnmrJ
2.1B
Varian
collection
PROSA
6.0.2
Guntert
解析
CARA
1.8.4
KellerandWuthrich
データ解析
CARA
1.8.4
KellerandWuthrich
chemicalshiftassignment
CARA
1.8.4
KellerandWuthrich
peakpicking
CSI
2
WishartandSykes
データ解析
TALOS
2007.068.09.07
Shen, Cornilescu, DelaglioandBax
データ解析
CYANA
2.1
Guntert, MumenthalerandWuthrich
構造決定
AutoStructure
2.1.1
Huang, Tejero, PowersandMontelione
structurevalidation
CNS
1.2.1
Brunger, Adams, Clore, Gros, NilgesandRead
精密化
PSVS
1.3
BhattacharyaandMontelione
structurevalidation
精密化
手法: simulated annealing / ソフトェア番号: 1 詳細: Structure determination was performed iteratively with CYANA v2.1 using NOE-based constraints, PHI and PSI dihedral angle constraints from TALOS, hydrogen bond constraints based on ...詳細: Structure determination was performed iteratively with CYANA v2.1 using NOE-based constraints, PHI and PSI dihedral angle constraints from TALOS, hydrogen bond constraints based on preliminary structures and CLEANEX/MEXICO data. The 20 conformers out of 100 with the lowest target function were further refined by simulated annealing in explicit water bath using the program CNS with OPLSX force field.
NMR constraints
NOE constraints total: 2177 / NOE intraresidue total count: 408 / NOE long range total count: 648 / NOE medium range total count: 622 / NOE sequential total count: 499 / Hydrogen bond constraints total count: 180 / Protein phi angle constraints total count: 59 / Protein psi angle constraints total count: 59
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: 100 / 登録したコンフォーマーの数: 20 / Maximum upper distance constraint violation: 0.32 Å