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JoVE Journal
Chemistry
生物分子有序结构由短肽的自组装形成
生物分子有序结构由短肽的自组装形成
JoVE Journal
Chemistry
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JoVE Journal Chemistry
Formation of Ordered Biomolecular Structures by the Self-assembly of Short Peptides

生物分子有序结构由短肽的自组装形成

Full Text
13,489 Views
07:26 min
November 21, 2013

DOI: 10.3791/50946-v

Sivan Yuran1, Meital Reches1

1Institute of Chemistry and The Center for Nanoscience and Nanotechnology,The Hebrew University of Jerusalem

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Please note that some of the translations on this page are AI generated. Click here for the English version.

本文描述了通过自组装的自发过程中形成高度有序的基于肽的结构。该方法利用市售的肽和普通的实验室设备。这一技术可以应用到大量的各种肽,并可能导致新的基于肽的装配体的发现。

该程序的总体目标是以生物分子项链的形式生成基于肽的组装体。这是通过首先制备储备液来实现的,方法是将二苯基丙氨酸及其 Bach 保护类似物分别溶解在适量的 HFP 中,直至最终浓度为 100 毫克/毫升。第二步是将 10 微升二苯丙氨酸肽溶液与 6 微升 Bach 保护二苯丙氨酸肽溶液混合,以 5:3 的比例混合肽储备液。

接下来,将混合肽储备液添加到新鲜制备的 50% 乙醇中,得到二苯丙氨酸的最终浓度分别为每毫升 5 毫克和 Bach 保护的二苯丙氨酸每毫升 3 毫克。实际上,最终使用扫描电子显微镜来显示由两种肽共组装的生物分子项链。使用如此处演示的自组装过程的主要优点是,通过自发进展,可以生成复杂的结构。

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