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Experiments with proteins at low temperature: What do we learn on properties in their functional state?

机译:在低温下进行蛋白质实验:我们可以从蛋白质的功能状态中学到什么?

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The authors compared the spectral response of Zn-substituted horseradish peroxidase in a glycerol/water solvent to hydrostatic pressure at 2 K and ambient temperature. The low temperature experiments clearly demonstrate the presence of at least three different conformations with drastically different elastic properties. However, the main conformation, which determines the fluorescence spectrum at ambient temperature, did not show any significant difference between low and high temperature and pressure. The authors conclude that the local compressibility of the heme pocket of the protein depends only very weakly on temperature. (c) 2007 American Institute of Physics.
机译:作者比较了甘油/水溶剂中Zn取代的辣根过氧化物酶在2 K和环境温度下对静水压的光谱响应。低温实验清楚地证明了存在至少三种具有完全不同的弹性性能的不同构象。但是,确定环境温度下荧光光谱的主要构象在低温和高温与压力之间没有显示任何显着差异。作者得出结论,该蛋白血红素袋的局部可压缩性仅非常弱地取决于温度。 (c)2007年美国物理研究所。

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