ANALYTICAL SIZE EXCLUSION CHROMATOGRAPHY WITH STATIC LIGHT SCATTERING SUPPORTS THE ASSIGNMENT OF A DIMER AS A SIGNIFICANT OLIGOMERIZATION STATE IN SOLUTION.
モノクロメーター: double crystal monochromator / プロトコル: SINGLE WAVELENGTH / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
放射波長
波長: 0.97936 Å / 相対比: 1
反射
解像度: 2.12→29.947 Å / Num. all: 58332 / Num. obs: 58332 / % possible obs: 100 % / 冗長度: 7.4 % / Biso Wilson estimate: 33.086 Å2 / Rsym value: 0.166 / Net I/σ(I): 8.1
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
2.12-2.18
7.5
1.388
1.6
31495
4226
1.388
100
2.18-2.23
7.5
1.079
2
31047
4157
1.079
100
2.23-2.3
7.5
0.859
2.4
30154
4047
0.859
100
2.3-2.37
7.5
0.729
2.8
29292
3925
0.729
100
2.37-2.45
7.5
0.604
3.2
28484
3814
0.604
100
2.45-2.53
7.5
0.473
4
27482
3678
0.473
100
2.53-2.63
7.5
0.418
4.5
26736
3575
0.418
100
2.63-2.74
7.5
0.328
5.4
25526
3415
0.328
100
2.74-2.86
7.4
0.259
6.5
24586
3301
0.259
100
2.86-3
7.5
0.209
7.9
23627
3160
0.209
100
3-3.16
7.5
0.167
9.6
22453
3013
0.167
100
3.16-3.35
7.5
0.136
11.5
21372
2867
0.136
100
3.35-3.58
7.4
0.114
13.8
19903
2682
0.114
100
3.58-3.87
7.4
0.098
16.6
18755
2528
0.098
100
3.87-4.24
7.4
0.09
18.2
17086
2312
0.09
100
4.24-4.74
7.3
0.079
20.1
15544
2118
0.079
100
4.74-5.47
7.3
0.081
19.3
13753
1886
0.081
100
5.47-6.7
7.2
0.094
17.6
11614
1615
0.094
100
6.7-9.48
7
0.081
19.8
8971
1280
0.081
100
9.48-29.947
6.4
0.066
20.7
4693
733
0.066
97
-
位相決定
位相決定
手法: 単波長異常分散
-
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
SCALA
3.3.15
データスケーリング
REFMAC
5.5.0110
精密化
MOSFLM
データ削減
SHELXD
位相決定
精密化
構造決定の手法: 単波長異常分散 / 解像度: 2.12→29.947 Å / Cor.coef. Fo:Fc: 0.958 / Cor.coef. Fo:Fc free: 0.955 / Occupancy max: 1 / Occupancy min: 0.35 / SU B: 5.271 / SU ML: 0.074 / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.11 / ESU R Free: 0.104 立体化学のターゲット値: MAXIMUM LIKELIHOOD WITH PHASES 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. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 3. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 4. WATERS WERE EXCLUDED FROM AUTOMATIC TLS ASSIGNMENT. 5. TLS GROUPS WERE ASSIGNED WITH THE AID OF THE TLSMD (MOTION DETERMINATION) SERVER. 6. CALCIUM AND CHLORIDE IONS, AND HEPES (EPE) MOLECULES FROM THE CRYSTALLIZATION ARE MODELED INTO THE STRUCTURE. 7. X-RAY ANOMALOUS SCATTERING MEASUREMENTS INDICATE A MIXTURE OF AN IRON (FE) AND A NICKEL (NI) ATOM IS WITHIN COORDINATION DISTANCE OF THE SIDE CHAINS OF ASP-194, HIS-198, HIS-258, AND HIS-272. THE OCCUPANCIES OF THE METAL IONS WERE ESTIMATED FROM THE RATIOS OF THEIR ANOMALOUS DIFFERENCE MAP PEAK HEIGHTS AT WAVELENGTHS ABOVE AND BELOW THE FE AND NI K-SHELL ABSORPTION EDGES. REDUCING THE TOTAL OCCUPANCY OF THE FE/NI SITE TO 0.8 RESULTED IN BETTER AGREEMENT BETWEEN THE B-FACTORS OF THE METAL ATOMS AND ATOMS ON THE PROTEIN WITHIN COORDINATION DISTANCE. 8. ADDITIONAL ELECTRON DENSITY AT THE PUTATIVE ACTIVE SITE WAS MODELED AS AN UNKNOWN LIGAND (UNL). THE UNL COULD REPRESENT AN ANALOG TO THE SUBSTITUTED NADP THAT WAS IDENTIFIED IN THE E.COLI ALCOHOL DEHYDROGENASE YQHD (1OJ7) STRUCTURE. HOWEVER, MODELING IT AS AN NC5 AND NC6 SUBSTITUTED NAD RESULTED IN RESIDUAL DIFFERENCE DENSITY AT THE SITE SUGGESTING THAT EITHER THIS WAS NOT FULLY OCCUPIED AND WAS A MIXTURE OF COMPOUNDS OR IT WAS NOT THE CORRECT ANALOG. WITHOUT ADDITIONAL DATA TO IDENTIFY THE COMPOUND(S), WE HAVE CHOSEN TO MODEL IT AS A UNL ADJACENT TO THE NAD AND METAL SITE.
Rfactor
反射数
%反射
Selection details
Rfree
0.1968
2951
5.1 %
RANDOM
Rwork
0.1819
-
-
-
obs
0.1826
58283
99.92 %
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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: 1.4 Å / 溶媒モデル: MASK