CRYSTAL PACKING ANALYSIS AND ANALYTICAL SIZE-EXCLUSION CHROMATOGRAPHY COUPLED WITH STATIC LIGHT SCATTERING SUPPORT THE ASSIGNMENT OF A MONOMER AS THE SIGNIFICANT OLIGOMERIC FORM IN SOLUTION.
THIS CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH ...THIS CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH TEV PROTEASE LEAVING ONLY A GLYCINE (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: 2.72 Å3/Da / 溶媒含有率: 54.78 %
結晶化
温度: 293 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 6 詳細: 10.0000% Glycerol, 5.0000% PEG-1000, 30.0000% PEG-600, 0.1M MES pH 6.0, Additive: 0.006 M Zinc Chloride, NANODROP', VAPOR DIFFUSION, SITTING DROP, temperature 293K
モノクロメーター: Single crystal Si(111) bent monochromator (horizontal focusing) プロトコル: MAD / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
放射波長
ID
波長 (Å)
相対比
1
0.97845
1
2
0.97752
1
3
0.91837
1
反射
解像度: 2.45→29.775 Å / Num. obs: 12080 / % possible obs: 99.8 % / 冗長度: 7.6 % / Biso Wilson estimate: 34.498 Å2 / Rmerge(I) obs: 0.166 / Rsym value: 0.166 / Net I/σ(I): 11.4
反射 シェル
Diffraction-ID: 1
解像度 (Å)
冗長度 (%)
Rmerge(I) obs
Mean I/σ(I) obs
Num. measured all
Num. unique all
Rsym value
% possible all
2.45-2.51
7.6
0.757
2.7
6742
885
0.757
99.8
2.51-2.58
7.6
0.647
1.2
6552
866
0.647
100
2.58-2.66
7.6
0.552
1.4
6379
839
0.552
99.9
2.66-2.74
7.6
0.5
1.5
6183
812
0.5
99.9
2.74-2.83
7.6
0.424
1.8
6104
801
0.424
99.9
2.83-2.93
7.6
0.354
2.1
5828
767
0.354
99.8
2.93-3.04
7.6
0.308
2.5
5702
746
0.308
99.8
3.04-3.16
7.6
0.243
3.1
5346
703
0.243
99.8
3.16-3.3
7.6
0.206
3.7
5295
694
0.206
100
3.3-3.46
7.6
0.162
4.6
4976
654
0.162
100
3.46-3.65
7.6
0.139
5.3
4753
623
0.139
99.8
3.65-3.87
7.6
0.11
6.6
4552
598
0.11
99.9
3.87-4.14
7.6
0.094
7.6
4247
560
0.094
100
4.14-4.47
7.6
0.077
8.9
3956
520
0.077
100
4.47-4.9
7.6
0.075
9.3
3517
463
0.075
99.9
4.9-5.48
7.5
0.076
9.3
3323
442
0.076
100
5.48-6.33
7.5
0.097
7.6
2912
386
0.097
99.9
6.33-7.75
7.5
0.076
9.4
2442
324
0.076
100
7.75-10.96
7.4
0.056
11.7
1908
259
0.056
99.9
10.96-29.78
7
0.062
9.5
971
138
0.062
95.1
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位相決定
位相決定
手法: 多波長異常分散
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解析
ソフトウェア
名称
バージョン
分類
NB
REFMAC
5.5.0053
精密化
PHENIX
精密化
SHELX
位相決定
MolProbity
3beta29
モデル構築
SCALA
3.2.5
データスケーリング
PDB_EXTRACT
3.006
データ抽出
MOSFLM
データ削減
SHARP
位相決定
精密化
構造決定の手法: 多波長異常分散 / 解像度: 2.45→29.775 Å / Cor.coef. Fo:Fc: 0.946 / Cor.coef. Fo:Fc free: 0.907 / Occupancy max: 1 / Occupancy min: 0.3 / SU B: 14.061 / SU ML: 0.151 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.372 / ESU R Free: 0.243 立体化学のターゲット値: MAXIMUM LIKELIHOOD WITH PHASES 詳細: 1.HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2.ATOM RECORDS CONTAIN RESIDUAL B FACTORS ONLY. 3.A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN ...詳細: 1.HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2.ATOM RECORDS CONTAIN RESIDUAL B FACTORS ONLY. 3.A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION. 4.ZINC (ZN) THAT WAS USED IN CO-CRYSTALLIZATION HAS BEEN MODELED AT THE PUTATIVE ACTIVE SITE BASED ON CLEAR ELECTRON DENSITY IN THE ANOMALOUS DIFFERENCE FOURIER MAP. 5.AN UNIDENTIFIED LIGAND (UNL) HAS BEEN MODELED AT THE PUTATIVE ACTIVE SITE. 6.GLYCEROL (GOL) AND PEG FRAGMENTS (PEG AND PGE) FROM THE CRYSTALLIZATION SOLUTION HAVE BEEN MODELED IN THE SOLVENT STRUCTURE.
Rfactor
反射数
%反射
Selection details
Rfree
0.222
578
4.8 %
RANDOM
Rwork
0.164
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obs
0.167
12072
99.9 %
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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