- PDB-2kn9: Solution structure of zinc-substituted rubredoxin B (Rv3250c) fro... -
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基本情報
登録情報
データベース: PDB / ID: 2kn9
タイトル
Solution structure of zinc-substituted rubredoxin B (Rv3250c) from Mycobacterium tuberculosis. Seattle Structural Genomics Center for Infectious Disease target MytuD.01635.a
要素
Rubredoxin
キーワード
ELECTRON TRANSPORT / tuberculosis / metalloprotein / rubredoxin / SSGCID / Structural Genomics / Seattle Structural Genomics Center for Infectious Disease / Iron / Metal-binding / Transport
機能・相同性
機能・相同性情報
alkane catabolic process / electron transfer activity / iron ion binding 類似検索 - 分子機能
100 mM sodium chloride, 1 mM DTT, 20 mM TRIS, 1-2 mM [U-98% 13C; U-98% 15N] Rv3250c, 90% H2O/10% D2O
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100 mM sodium chloride, 1 mM DTT, 20 mM TRIS, 1-2 mM [U-98% 13C; U-98% 15N] Rv3250c, 100% D2O
試料
濃度 (mg/ml)
単位
構成要素
Isotopic labeling
Conc. range (mg/ml)
Solution-ID
100mM
sodium chloride-1
1
1mM
DTT-2
1
20mM
TRIS-3
1
mM
Rv3250c-4
[U-98% 13C; U-98% 15N]
1-2
1
100mM
sodium chloride-5
2
1mM
DTT-6
2
20mM
TRIS-7
2
mM
Rv3250c-8
[U-98% 13C; U-98% 15N]
1-2
2
試料状態
イオン強度: 0.12 / pH: 7.1 / 圧: ambient / 温度: 293 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
750
1
Varian INOVA
Varian
INOVA
600
2
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解析
NMR software
名称
バージョン
開発者
分類
CYANA
2.1
Guntert, MumenthalerandWuthrich
構造決定
Felix
2007
AccelrysSoftwareInc.
解析
Sparky
3.115
Goddard
データ解析
PSVS
BhattacharyaandMontelione
データ解析
CNS
1.1
Brunger, Adams, Clore, Gros, NilgesandRead
精密化
精密化
手法: torsion angle dynamics / ソフトェア番号: 1 詳細: Structure determination was performed iteratively using CYANA (AUTO NoesyAssign). A total of 20 structures out of 100 with lowest target function from the final set of CYANA calculations were ...詳細: Structure determination was performed iteratively using CYANA (AUTO NoesyAssign). A total of 20 structures out of 100 with lowest target function from the final set of CYANA calculations were taken and refined by restrained molecular dynamics in explicit water (CNS). ZN-SG (2.20 - 2.40) and SG-SG (3.4 - 4.4) restraints were added only to the final set of CYANA calculations on the basis of calculations without the restraints and other physical data. At the explicit water refinement stage, 5% was added to the upper bound restraint.
NMR constraints
NOE constraints total: 892 / NOE intraresidue total count: 204 / NOE long range total count: 286 / NOE medium range total count: 157 / NOE sequential total count: 245 / Protein phi angle constraints total count: 37 / Protein psi angle constraints total count: 37
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: 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