THE CONSTRUCT (RESIDUES 20-425) WAS EXPRESSED WITH A PURIFICATION TAG MGSDKIHHHHHHENLYFQG. THE TAG ...THE CONSTRUCT (RESIDUES 20-425) 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: 2.27 Å3/Da / 溶媒含有率: 45.87 %
結晶化
温度: 277 K 詳細: 21.30% polyethylene glycol 3350, 0.30M potassium dihydrogen phosphate, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K
解像度: 1.93→48.906 Å / Num. obs: 63081 / % possible obs: 99.8 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 26.36 Å2 / Rmerge(I) obs: 0.098 / Net I/σ(I): 8.05
反射 シェル
解像度: 1.93→2 Å / Rmerge(I) obs: 0.636 / Mean I/σ(I) obs: 1.8 / % 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
SHELX
位相決定
BUSTER-TNT
BUSTER2.8.0
精密化
XSCALE
dataprocessing
PDB_EXTRACT
3.1
データ抽出
XDS
データ削減
XSCALE
データスケーリング
SHELXD
位相決定
autoSHARP
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: 1.93→48.91 Å / Cor.coef. Fo:Fc: 0.955 / Cor.coef. Fo:Fc free: 0.937 / Occupancy max: 1 / Occupancy min: 0.3 / 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. POTASSIUM (K), DIMETHYL SULFOXIDE (DMS), PHOSPHATE (PO4) AND CHLORIDE (CL) MODELED ARE PRESENT PROTEIN/ CRYSTALLIZATION/CRYO BUFFER. 3. ZINC IONS WERE ASSIGNED BASED ON AN ANOMALOUS DIFFERENCE FOURIER MAP AND X-RAY FLUORESCENCE MEASUREMENTS. THE OCCUPANCY OF THE ZINC IN THE ACTIVE SITE WAS ADJUSTED BASED ON DENSITY. 4. NON-CRYSTALLOGRAPHIC RESTRAINTS WERE APPLIED DURING REFINEMENT (AUTONCS). 5. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS.