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Protein Crystallization Irradiated by Audible Sound: The Effect of Varying Sound Frequency

机译：蛋白质结晶被声音辐照：变化声频的效果

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Protein crystallization is a process that is very sensitive to the physical environment. Audible sound is an environmental characteristic that can significantly affect the crystallization process. Previously, it was found that the crystallization result is frequency dependent, that is, the crystallization of protein under different sound frequencies yields different results. Here, we further investigate the effect of varying frequency (or a frequency program) on protein crystallization. Twelve different frequency programs and six proteins were used to test the effect of varying sound frequency on protein crystallization. The results showed that varying the audible sound frequency from high to low exhibited the most significant improvement in protein crystallization. Varying frequency linearly from 15 000 to 100 Hz in 12 h best promoted crystallization, with the average number of crystallization hits 36.5% higher than in the control. Crystal quality was improved with sound irradiation using STW2 program. Our study showed that varying the sound frequency has positive effects on facilitating protein crystallization and purposely optimizing sound frequency programs may be helpful for obtaining protein crystals.
机译：蛋白质结晶是对物理环境非常敏感的过程。声音是一种环境特征，可以显着影响结晶过程。以前，发现结晶结果是频率依赖性，即，不同声频下蛋白质的结晶产生不同的结果。这里，我们进一步研究了不同频率（或频率）对蛋白质结晶的影响。 12种不同的频率计划和六种蛋白质用于测试不同声频对蛋白质结晶的影响。结果表明，从高到低的可听声频会表现出蛋白质结晶最显着的改善。在12小时最佳促进结晶中从15 000到100Hz的变化频率从15000升至100 Hz，平均结晶次数比对照达到36.5％。使用STW2程序使用声音照射进行了改善了水晶质量。我们的研究表明，变化声频对促进蛋白质结晶的阳性作用，并且目的优化声频程序可能有助于获得蛋白质晶体。

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