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: 2.33 Å3/Da / 溶媒含有率: 47.15 %
結晶化
温度: 293 K 詳細: 20.9000% polyethylene glycol 3350, 0.2360M di-ammonium tartrate, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 293K
解像度: 2→29.775 Å / Num. obs: 120764 / % possible obs: 99.8 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 27.26 Å2 / Rmerge(I) obs: 0.064 / Net I/σ(I): 9.16
反射 シェル
解像度: 2→2.05 Å / Rmerge(I) obs: 0.676 / Mean I/σ(I) obs: 1.1 / % 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
5.5.0053
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
XDS
データ削減
SCALA
データスケーリング
SHELXD
位相決定
autoSHARP
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→29.77 Å / Cor.coef. Fo:Fc: 0.96 / Cor.coef. Fo:Fc free: 0.942 / Occupancy max: 1 / Occupancy min: 0.37 / SU B: 8.393 / SU ML: 0.104 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / ESU R: 0.17 / ESU R Free: 0.149 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 RIDING POSITIONS. 2). ATOM RECORDS CONTAIN RESIDUAL B FACTORS ONLY. 3). A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE ...詳細: 1). HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS 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 THESE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 TO ACCOUNT FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION. 4). ETHYLENE GLYCOL USED AS A CRYOGEN WAS MODELED INTO THE STRUCTURE. 5). IN THE STRUCTURE OF THIS PROTEIN DETERMINED AT LOWER RESOLUTION (PDB ID 3GWP), A BOUND COFACTOR PYRIDOXAL-5'-PHOSPHATE (PLP) AND LYS 243 AT THE ACTIVE SITE WERE MODELED AS N'-PYRIDOXYL-LYSINE-5'-MONOPHOSPHATE (LLP). IN THIS STRUCTURE, A PLP COFACTOR WAS MODELED INTO THE B-SUBUNIT ONLY. SOME OF ELECTRON DENSITIES IN THE VICINITY OF THE ACTIVE SITES ON THE OTHER THREE SUBUNITS WERE MODELED AS L(+)-TARTARIC ACID (TLA), USED AS A BUFFER IN THE CRYSTALLIZATION. 6). ANALYSIS WITH THE MOLPROBITY VALIDATION SERVER SHOWS THAT GLY 380 ON THE A, C, AND D SUBUNITS ARE RAMACHANDRAN OUTLIERS EVEN THOUGH ELECTRON DENSITY SUPPORTS THEIR POSITIONING. 7). ELECTRON DENSITY BETWEEN RESIDUES 369-371 ON THE A SUBUNIT IS DISORDERED AND THESE RESIDUES COULD NOT BE RELIABLY MODELED.
Rfactor
反射数
%反射
Selection details
Rfree
0.206
6076
5 %
RANDOM
Rwork
0.165
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obs
0.168
120713
99.7 %
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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