- PDB-2kru: Solution NMR structure of the PCP_red domain of light-independent... -
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基本情報
登録情報
データベース: PDB / ID: 2kru
タイトル
Solution NMR structure of the PCP_red domain of light-independent protochlorophyllide reductase subunit B from Chlorobium tepidum. Northeast Structural Genomics Consortium Target CtR69A
要素
Light-independent protochlorophyllide reductase subunit B
ferredoxin:protochlorophyllide reductase (ATP-dependent) / photosynthesis, dark reaction / light-independent bacteriochlorophyll biosynthetic process / oxidoreductase activity, acting on iron-sulfur proteins as donors / oxidoreductase activity, acting on the CH-CH group of donors, iron-sulfur protein as acceptor / 4 iron, 4 sulfur cluster binding / ATP binding / metal ion binding 類似検索 - 分子機能
1.080 mM [U-100% 13C; U-100% 15N] protein, 20 mM MES, 100 mM sodium chloride, 5 mM calcium chloride, 0.02 % NaN3, 95% H2O/5% D2O
95% H2O/5% D2O
2
0.986 mM [U-5% 13C; U-100% 15N] protein, 20 mM MES, 100 mM sodium chloride, 5 mM calcium chloride, 0.02 % NaN3, 95% H2O/5% D2O
95% H2O/5% D2O
試料
濃度 (mg/ml)
構成要素
Isotopic labeling
Solution-ID
1.080mM
protein
[U-100% 13C; U-100% 15N]
1
20mM
MES
1
100mM
sodiumchloride
1
5mM
calciumchloride
1
0.02 %
NaN3
1
0.986mM
protein
[U-5% 13C; U-100% 15N]
2
20mM
MES
2
100mM
sodiumchloride
2
5mM
calciumchloride
2
0.02 %
NaN3
2
試料状態
イオン強度: 117.5 / 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
500
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
6.4
Guntert
解析
XEASY
Bartelsetal.
データ解析
PINE
1
Bahrami, Markley, Assadi, andEghbalnia
chemicalshiftassignment
CYANA
2.1
Guntert, MumenthalerandWuthrich
構造決定
AutoStructure
2.2.1
Huang, Tejero, PowersandMontelione
構造決定
TALOS+
1.2009.0721.18
Shen, Cornilescu, DelaglioandBax
データ解析
CNS
1.2.1
Brunger, Adams, Clore, Gros, NilgesandRead
精密化
CARA
1.8.4
KellerandWuthrich
chemicalshiftassignment
CARA
1.8.4
KellerandWuthrich
peakpicking
CARA
1.8.4
KellerandWuthrich
データ解析
PSVS
1.3
BhattacharyaandMontelione
構造検証
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 and PHI and PSI dihedral angle constraints from TALOS+. The 20 conformers out of 100 with the ...詳細: Structure determination was performed iteratively with CYANA v2.1 using NOE-based constraints and PHI and PSI dihedral angle constraints from TALOS+. 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: 1013 / NOE intraresidue total count: 219 / NOE long range total count: 262 / NOE medium range total count: 273 / NOE sequential total count: 259 / Protein chi angle constraints total count: 0 / Protein other angle constraints total count: 0 / Protein phi angle constraints total count: 35 / Protein psi angle constraints total count: 35
代表構造
選択基準: lowest energy
NMRアンサンブル
Average torsion angle constraint violation: 0.06 ° 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: 100 / 登録したコンフォーマーの数: 20 / Maximum torsion angle constraint violation: 2.5 ° / Maximum upper distance constraint violation: 0.224 Å