1. IN THE TARGET SEQUENCE, CYS 92 IS REPLACED BY AN SER RESIDUE BY SITE-DIRECTED MUTAGENESIS. 2. ...1. IN THE TARGET SEQUENCE, CYS 92 IS REPLACED BY AN SER RESIDUE BY SITE-DIRECTED MUTAGENESIS. 2. THE SOLUBLE DOMAIN OF MINER1 (RESIDUES 57-135) WAS EXPRESSED WITH A PURIFICATION TAG IN A PET28A(+) (NOVAGEN) BACTERIAL EXPRESSION VECTOR CONTAINING AN N-TERMINAL HIS-TAG. THE TAG WAS REMOVED WITH THROMBIN LEAVING ONLY GSHM 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: 1.94 Å3/Da / 溶媒含有率: 36.58 %
結晶化
温度: 300 K / 手法: 蒸気拡散法 / pH: 8 詳細: 100 mM Tris-HCl pH 8.0, 100 mM NaCl, 15% PEG 3000, VAPOR DIFFUSION
構造決定の手法: 多波長異常分散 / 解像度: 2.1→37.06 Å / Cor.coef. Fo:Fc: 0.96 / Cor.coef. Fo:Fc free: 0.943 / WRfactor Rfree: 0.235 / WRfactor Rwork: 0.199 / Occupancy max: 1 / Occupancy min: 0.5 / FOM work R set: 0.928 / SU B: 7.676 / SU ML: 0.101 / SU R Cruickshank DPI: 0.208 / SU Rfree: 0.172 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / σ(F): 0 / ESU R: 0.183 / ESU R Free: 0.164 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. AN 2FE-2S CLUSTER (FES) WAS MODELED INTO EACH SUBUNIT IN THE ASYMMETRIC UNIT. THE ...詳細: 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2. ATOM RECORD CONTAINS RESIDUAL B FACTORS ONLY. 3. AN 2FE-2S CLUSTER (FES) WAS MODELED INTO EACH SUBUNIT IN THE ASYMMETRIC UNIT. THE PRESENCE OF THE 2FE-2S CLUSTER WAS CORROBORATED BY ANOMALOUS DIFFERENCE MAPS. THE PROTEIN LIGANDS TO THE FE ATOMS IN THE 2FE-2S CLUSTERS ARE CYS 99, CYS 101, CYS 110, AND HIS 114.
Rfactor
反射数
%反射
Selection details
Rfree
0.216
450
5 %
RANDOM
Rwork
0.17
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obs
0.172
9013
99.23 %
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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