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: 5.3 Å3/Da / 溶媒含有率: 76.77 %
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 詳細: 3.6M sodium formate, 10.0% Glycerol, Additive 0.001 M S-adenosylmethionine (SAM), VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 277K, VAPOR DIFFUSION, SITTING DROP
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
0.91837
1
2
0.9792
1
3
0.97845
1
反射
解像度: 2.1→28.239 Å / Num. obs: 31089 / % possible obs: 99.9 % / 冗長度: 5.6 % / Biso Wilson estimate: 38.343 Å2 / Rmerge(I) obs: 0.068 / Net I/σ(I): 8.039
反射 シェル
解像度: 2.1→2.15 Å / 冗長度: 5.6 % / Rmerge(I) obs: 0.521 / Mean I/σ(I) obs: 1.5 / % possible all: 100
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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
5.2.0019
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
autoSHARP
位相決定
SHELXD
位相決定
精密化
構造決定の手法: 多波長異常分散 / 解像度: 2.1→28.239 Å / Cor.coef. Fo:Fc: 0.97 / Cor.coef. Fo:Fc free: 0.963 / Occupancy max: 1 / Occupancy min: 0.5 / SU B: 4.465 / SU ML: 0.066 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.103 / ESU R Free: 0.098 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 RECORD CONTAINS 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 RECORD CONTAINS 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. 0.001 M S-ADENOSYL-METHIONINE (SAM) WAS ADDED DURING CRYSTALLIZATION, BUT ELECTRON DENSITY AT THE PUTATIVE ACTIVE SITE SUPPORTS THE MODELING OF S-ADENOSYL-HOMOCYSTEINE (SAH). THIS COULD BE DUE TO DEMETHYLATION OF THE SAM OR CO-PURIFICATION OF NATIVE SAH.
Rfactor
反射数
%反射
Selection details
Rfree
0.176
1568
5 %
RANDOM
Rwork
0.158
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obs
0.159
31072
99.88 %
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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