THE SSRNA OBSERVED IN THE STRUCTURE WAS DERIVED FROM THE E.COLI HOST (RATHER THAN OF SYNTHETIC ...THE SSRNA OBSERVED IN THE STRUCTURE WAS DERIVED FROM THE E.COLI HOST (RATHER THAN OF SYNTHETIC ORIGIN) AND IS THEREFORE OF RANDOM SEQUENCE. THE AUTHORS ARBITRARILY CHOSE U AND C TO MODEL THE RNA, UNLESS IT WAS CLEAR THE NUCLEOBASE WAS A PURINE, IN WHICH CASE THE RESIDUE WAS MODELED AS AN ADENOSINE. FOR CHAINS C, F AND J, EIGHT BASES WERE APPARENT (RESIDUES 1-8), ALTHOUGH DENSITY FOR POSITION 8 IN CHAIN J WAS NOT CLEAR ENOUGH TO MODEL AS AN ADENOSINE, AND WAS THUS INSTEAD MODELED AS CYTIDINE. SEVEN BASES (2-8) WERE VISIBLE IN CHAIN D, WHILE ONLY SIX BASES (2-7) WERE VISIBLE IN CHAINS H AND L.
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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: 2.82 Å3/Da / 溶媒含有率: 56.35 %
結晶化
温度: 295 K / 手法: 蒸気拡散法 / pH: 8.4 詳細: 0.1M Tris, pH 8.4, 0.2M Na/K phosphate, and 20% PEG 3350, VAPOR DIFFUSION, temperature 295K