peptidase Do / protein quality control for misfolded or incompletely synthesized proteins / proteolysis involved in protein catabolic process / peptidase activity / periplasmic space / serine-type endopeptidase activity / proteolysis / identical protein binding 類似検索 - 分子機能
THE PRESENCE OF THE UNKNOWN PEPTIDE CANNOT BE DISPUTED. THESE CHAINS HAVE WEAK ELECTRON DENSITY AND ...THE PRESENCE OF THE UNKNOWN PEPTIDE CANNOT BE DISPUTED. THESE CHAINS HAVE WEAK ELECTRON DENSITY AND HIGH B-FACTORS. THEIR PRESENCE BECAME EVIDENT FROM INSPECTION OF DIFFERENCE ELECTRON DENSITY MAPS AND FITS WELL TO SIMILAR OBSERVATIONS IN HOMOLOGOUS STRUCTURES. THEIR POOR DEFINITION MAY REFLECT THE FACT THAT THESE PEPTIDE WERE NOT ADDED AT ANY STEP OF THE PROTEIN PREPARATION OR CRYSTALLIZATION TRIALS, HENCE THEY MUST HAVE BEEN PICKED UP FROM THE EXPRESSION SYSTEM OR BE A CONSEQUENCE OF SOME FORM OF PROTEOLYSIS. THEREFORE THEIR OCCUPANCY IS PROBABLY LOW
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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: 2.51 Å3/Da / 溶媒含有率: 50.94 %
結晶化
温度: 291 K / 手法: 蒸気拡散法 / pH: 5.4 詳細: 24% PEG6000, 5% PEG100, 10% glycerol, 0.1M MES pH5.4, VAPOR DIFFUSION, temperature 291K