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: 2.16 Å3/Da / 溶媒含有率: 43.13 %
結晶化
温度: 277 K / 手法: 蒸気拡散法, シッティングドロップ法 / pH: 6 詳細: NANODROP, 30.0% PEG 200, 5.0% PEG 3000, 0.1M MES pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K
モノクロメーター: Double crystal / プロトコル: SAD / 単色(M)・ラウエ(L): M / 散乱光タイプ: x-ray
放射波長
波長: 0.97968 Å / 相対比: 1
反射
解像度: 2→29.514 Å / Num. obs: 58789 / % possible obs: 99.4 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 15.417 Å2 / Rmerge(I) obs: 0.117
反射 シェル
解像度 (Å)
Rmerge(I) obs
Mean I/σ(I) obs
Num. measured obs
Num. unique obs
Diffraction-ID
% possible all
2-2.07
0.385
3.5
28188
10774
1
98.3
2.07-2.15
0.35
4.2
30722
10803
1
99.2
2.15-2.25
0.298
5.2
36184
11443
1
99.5
2.25-2.37
0.285
6
41697
11374
1
99.7
2.37-2.52
0.238
7
42635
11282
1
99.7
2.52-2.71
0.191
8.2
41865
11001
1
99.7
2.71-2.99
0.148
9.8
44142
11477
1
99.8
2.99-3.42
0.104
12.5
43033
11158
1
99.8
3.42-4.3
0.064
17.3
42949
11102
1
99.7
4.3-29.514
0.057
19.4
43256
11144
1
98.4
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位相決定
位相決定
手法: 単波長異常分散
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解析
ソフトウェア
名称
バージョン
分類
NB
REFMAC
5.2.0019
精密化
PHENIX
精密化
SHELX
位相決定
MolProbity
3beta29
モデル構築
XSCALE
データスケーリング
PDB_EXTRACT
3.006
データ抽出
MAR345
CCD
データ収集
XDS
データ削減
SHELXD
位相決定
autoSHARP
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→29.514 Å / Cor.coef. Fo:Fc: 0.964 / Cor.coef. Fo:Fc free: 0.947 / Occupancy max: 1 / Occupancy min: 0.37 / SU B: 6.097 / SU ML: 0.088 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.163 / ESU R Free: 0.139 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. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE ...詳細: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2. 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. 3. ATOM RECORDS CONTAIN RESIDUAL B FACTORS ONLY. 4. FLAVIN MONONUCLEOTIDE COFACTOR (FMN) AND AN UNKNOWN LIGAND (UNL) ARE MODELED INTO THE PUTATIVE ACTIVE SITE ON EACH MONOMER. DURING THE REFINEMENT, THE FMN RESTRAINTS DICTIONARY WAS MODIFIED TO ALLOW BENDING OF THE ISOALLOXAZINE RING ALONG THE N5-N10 VIRTUAL AXIS RESULTING IN AN IMPROVED FIT BETWEEN THE FMN COORDINATES AND ELECTRON DENSITY. 5. GLYCEROL MOLECULES (GOL) FROM THE CRYOPROTECTANT ARE MODELED INTO THE STRUCTURE. 6. SEVERAL ELECTRON DENSITY PEAKS BETWEEN SYMMETRY-RELATED SUBUNITS WERE OBSERVED ADJACENT TO GLUTAMIC AND ASPARTIC ACID SIDECHAINS, AND THE MAGNITUDE OF THESE DENSITY PEAKS IS CONSISTENT WITH THE X-RAY SCATTERING FROM A CALCIUM ATOM. THEREFORE, SEVERAL CALCIUM ATOMS WERE MODELED INTO THE STRUCTURE.
Rfactor
反射数
%反射
Selection details
Rfree
0.185
2972
5.1 %
RANDOM
Rwork
0.146
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obs
0.148
58726
99.69 %
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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: BABINET MODEL WITH MASK