THE HETGROUP AYC (ALAREMYCIN 2) DIFFERS FROM ALAREMYCIN, AN ANTIBIOTIC ISOLATED FROM STREPTOMYCES ...THE HETGROUP AYC (ALAREMYCIN 2) DIFFERS FROM ALAREMYCIN, AN ANTIBIOTIC ISOLATED FROM STREPTOMYCES SP. ATCC: A012304, BY THE REDUCTION/HYDROGENATION OF THE C5 C=C DOUBLE BOND ADJACENT TO THE CENTRAL KETONE GROUP. THIS RESULTS IN A NON-PLANAR SP3-HYBRIDIZED C5 AND AN ADJACENT METHYL GROUP. ALAREMYCIN AND ITS PURIFICATION ARE DESCRIBED IN HTTP://WWW.JSTAGE.JST.GO.JP/ARTICLE/BBB/69/9/69_1721/ THE BOND BETWEEN ATOM NZ OF LYS A260 AND AYC A1333 IS A DOUBLE SCHIFF BASE BOND.
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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: 2.14 Å3/Da / 溶媒含有率: 42.58 % / 解説: NONE
結晶化
温度: 290 K / 手法: 蒸気拡散法, シッティングドロップ法 詳細: 100 MM HEPES PH 7.5, 200 MM MGCL2, 30 % PEG400 TEMPERATURE = 17 C PROTEIN CONCENTRATION = 20 MG/ML
解像度: 1.75→25.31 Å / Cor.coef. Fo:Fc: 0.969 / Cor.coef. Fo:Fc free: 0.959 / SU B: 3.847 / SU ML: 0.058 / TLS residual ADP flag: LIKELY RESIDUAL / 交差検証法: THROUGHOUT / ESU R: 0.112 / ESU R Free: 0.104 / 立体化学のターゲット値: MAXIMUM LIKELIHOOD 詳細: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES RESIDUAL ONLY
Rfactor
反射数
%反射
Selection details
Rfree
0.17966
1488
5.1 %
RANDOM
Rwork
0.1456
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obs
0.14736
27822
99.99 %
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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: 1.4 Å / 溶媒モデル: MASK