CRYSTAL PACKING ANALYSIS AND SIZE-EXCLUSION CHROMATOGRAPHY IN COMBINATION WITH STATIC LIGHT SCATTERING SUPPORT THE ASSIGNMENT OF A DIMER AS THE SIGNIFICANT OLIGOMERIZATION STATE IN SOLUTION.
THE CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH ...THE 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: 1.98 Å3/Da / 溶媒含有率: 37.93 % 解説: DATA WERE SCALED USING XSCALE WITH FRIEDEL PAIRS KEPT AS SEPARATE WHEN COMPUTING R MERGE, COMPLETENESS AND
解像度: 1.6→28.757 Å / Num. obs: 34491 / % possible obs: 92.4 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 26.711 Å2 / Rmerge(I) obs: 0.027 / Net I/σ(I): 12.53
反射 シェル
Diffraction-ID: 1
解像度 (Å)
最高解像度 (Å)
Rmerge(I) obs
Mean I/σ(I) obs
Num. measured obs
Num. unique obs
% possible all
1.6-1.66
0.456
1.7
7588
5736
79.5
1.66-1.72
0.377
2
7739
5743
91.5
1.72-1.8
0.233
3
8879
6601
92.2
1.8-1.9
0.145
4.6
9136
6797
93.3
1.9-2.02
0.076
7.7
8778
6568
93.5
2.02-2.17
0.05
11.2
8305
6240
94.4
2.17-2.39
0.035
15
8870
6684
95.3
2.39-2.73
0.027
19.7
8591
6497
95.2
2.73-3.44
0.019
26.4
8912
6743
96.2
3.44
0.018
31.3
8533
6515
93
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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
MolProbity
3beta29
モデル構築
PDB_EXTRACT
3.1
データ抽出
SHELX
位相決定
SHARP
位相決定
XSCALE
January30, 2009
データスケーリング
BUSTER-TNT
2.8.0
精密化
XDS
データ削減
SHELXD
位相決定
BUSTER
2.8.0
精密化
精密化
構造決定の手法: 多波長異常分散 / 解像度: 1.6→28.757 Å / Cor.coef. Fo:Fc: 0.93 / Cor.coef. Fo:Fc free: 0.9227 / Occupancy max: 1 / Occupancy min: 0.37 / 交差検証法: THROUGHOUT / σ(F): 0 詳細: 1. 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 ...詳細: 1. 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. 2. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 3. 1,2 ETHANEDIOL (EDO) FROM THE CRYOPROTECTANT HAS BEEN MODELED IN THE SOLVENT STRUCTURE. 4. RAMACHANDRAN OUTLIER AT RESIDUE 294 IS IN A REGION OF SUB-OPTIMAL ELECTRON DENSITY. 5. THE STRUCTURE HAS SEVERAL UNMODELED REGIONS WHICH HAVE ELECTRON DENSITY THAT COULD NOT BE RELIABLY INTERPRETED. IN ADDITION, THERE ARE THREE REGIONS OF SUB-OPTIMAL MODEL FIT IN WHICH THE MOST STRUCTURALLY SIMILAR PROTEIN (AS DETERMINED BY THE PROGRAM SSM), PDB ID 5DAA, WAS USED TO GUIDE THE MODELING. THESE INCLUDE RESIDUES 143-150, 204-221 AND 291-295. 6. THE REFINEMENT WAS RESTRAINED WITH THE MAD PHASES.