- PDB-4z5p: Crystal structure of the LnmA cytochrome P450 hydroxylase from th... -
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基本情報
登録情報
データベース: PDB / ID: 4z5p
タイトル
Crystal structure of the LnmA cytochrome P450 hydroxylase from the leinamycin biosynthetic pathway of Streptomyces atroolivaceus S-140 at 1.9 A resolution
oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen / monooxygenase activity / iron ion binding / heme binding 類似検索 - 分子機能
THE CONSTRUCT WAS EXPRESSED WITH AN N-TERMINAL PURIFICATION TAG MGSSHHHHHHSQDPGDENLYFQS. THE TAG ...THE CONSTRUCT WAS EXPRESSED WITH AN N-TERMINAL PURIFICATION TAG MGSSHHHHHHSQDPGDENLYFQS. THE TAG WAS REMOVED WITH TEV PROTEASE LEAVING ONLY A SERINE (0) FOLLOWED BY THE TARGET SEQUENCE.
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実験情報
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実験
実験
手法: X線回折 / 使用した結晶の数: 1
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試料調製
結晶
マシュー密度: 2.2 Å3/Da / 溶媒含有率: 44.02 %
結晶化
温度: 298 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 6.77 詳細: 0.2 M ammonium acetate, 0.1 M Bis-Tris, pH 6.77, 25% PEG3350, VAPOR DIFFUSION, SITTING DROP Temp details: room temperature
Experiment crystal grow comp
Conc
Comp name
Comp-ID
Crystal-ID
Sol-ID
17. mg/ml
protein
1
1
macromolecule
10. mM
TEAOH
2
1
macromolecule
20. mM
NaCl
3
1
macromolecule
10. mM
KCl
4
1
macromolecule
25. %(w/v)
PEG3350
5
1
precipitant
0.1M
Bis-Tris
6
1
precipitant
0.2M
ammoniumacetate
7
1
precipitant
25. %(w/v)
PEG3350
8
1
reservoir
0.1M
Bis-Tris
9
1
reservoir
0.2M
ammoniumacetate
10
1
reservoir
Experiment crystal grow sol
Crystal-ID
Sol-ID
pH
Volume (Å3)
1
macromolecule
7.5
1.0 µL
1
precipitant
6.77
1.0 µL
1
reservoir
6.77
0.5mL
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データ収集
回折
平均測定温度: 100 K / Crystal support: 0.2-0.3 mm nylon loop
解像度: 1.9→46.36 Å / Cor.coef. Fo:Fc: 0.957 / Cor.coef. Fo:Fc free: 0.945 / Occupancy max: 1 / Occupancy min: 0.4 / SU B: 9.452 / SU ML: 0.132 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.181 / ESU R Free: 0.148 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS 2. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 3. WATERS WERE ...詳細: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS 2. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 3. WATERS WERE EXCLUDED FROM AUTOMATIC TLS ASSIGNMENT. 4. THE HEME IRON IS MODELED AS FE2+ AND IS LIKELY REDUCED BY X-RAY EXPOSURE. 5. A PEG FRAGMENT FROM THE CRYSTLLIZATOION CONDITIONS HAVE BEEN MODELED.
Rfactor
反射数
%反射
Selection details
Rfree
0.2167
2884
5 %
RANDOM
Rwork
0.1908
54626
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obs
0.1922
57510
94.73 %
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溶媒の処理
イオンプローブ半径: 0.8 Å / 減衰半径: 0.8 Å / VDWプローブ半径: 1.2 Å / 溶媒モデル: MASK