THE ELECTRON DENSITY MAP CONTAINS MANY BLOBS AND CONTINUOUS NON-INTERPRETABLE PATCHES OF DENSITY, ...THE ELECTRON DENSITY MAP CONTAINS MANY BLOBS AND CONTINUOUS NON-INTERPRETABLE PATCHES OF DENSITY, POSSIBLY OWING TO DISORDERED REGIONS INCLUDING SHORT POLYPEPTIDES PRODUCED DURING CRYSTALLISATION UNDER PROTEOLYTIC CONDITIONS. IN PARTICULAR, THE DENSITY IN THE REGION BETWEEN TRP28 AND GLU34 COULD NOT BE INTERPRETED IN TERMS OF ATOMIC MODEL BUT HAS FEATURES SUGGESTING THE PRESENCE OF CHAIN FRAGMENTS CLEAVED AT ARG33 AND OVERLAPPING WITH THEMSELVES AND, POSSIBLY, WITH THE COMPONENTS OF CRYSTALLIZATION SOLUTION. SIMILARLY, A WEAK BUT CONTINUOUS ELECTRON DENSITY BEYOND VAL81 AND LEU141 COULD NOT BE RELIABLY INTERPRETED.
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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: 2.08 Å3/Da / 溶媒含有率: 44 %
結晶化
温度: 293 K / 手法: 蒸気拡散法 / pH: 10.5 詳細: Sodium-potassium-phosphate, sodium citrate and CAPS buffer
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データ収集
回折
平均測定温度: 100 K
放射光源
由来: シンクロトロン / サイト: PETRA III, EMBL c/o DESY / ビームライン: P13 (MX1) / 波長: 0.97858 Å
構造決定の手法: 分子置換 開始モデル: INCOMPLETE MODEL OF SE-MET VARIANT SOLVED BY SAD METHOD USING CRANK2 SOFTWARE 解像度: 2.4→63.03 Å / Cor.coef. Fo:Fc: 0.961 / Cor.coef. Fo:Fc free: 0.948 / SU B: 16.623 / SU ML: 0.179 / 交差検証法: THROUGHOUT / ESU R: 0.345 / ESU R Free: 0.229 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD / 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
Rfactor
反射数
%反射
Selection details
Rfree
0.22364
298
4.8 %
RANDOM
Rwork
0.18623
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obs
0.18806
5904
97.21 %
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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