Enzymatically-stable oxetane-based dipeptide hydrogels.

Enzymatically-stable oxetane-based dipeptide hydrogels.
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酶稳定的氧杂环丁烷二肽水凝胶。

DOI:
10.1039/c7cc09701h
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发表时间:
2018
期刊:
Chemical communications (Cambridge, England)
影响因子:
--
通讯作者:
McDougall L
McDougall L
中科院分区:
--
文献类型:
--
作者:
McDougall L

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不易被酶降解的低分子量胶凝剂具有广泛的潜在应用。在这里,我们报告新的Fmoc保护的二肽,其中酰胺羰基已被氧杂环丁烷环取代。值得注意的是,这些肽模拟物之一,而不是相应的二肽,是有效的胶凝剂,在3 mg mL−1的浓度下形成水凝胶。在组装时,缺乏β-折叠结构,这意味着在这种凝胶中不需要该基序。此外,与母体二肽相比,修饰的二肽对蛋白水解也是稳定的。
Low molecular weight gelators that are not easily degraded by enzymes have a range of potential applications. Here, we report new Fmoc-protected dipeptides in which the amide carbonyl group has been replaced by an oxetane ring. Remarkably one of these peptidomimetics, but not the corresponding dipeptide, is an effective gelator, forming hydrogels at a concentration of 3 mg mL−1. On assembly, there is a lack of beta-sheet structure, implying that there is no requirement for this motif in such a gel. Furthermore, the modified dipeptide is also stable to proteolysis compared to the parent dipeptide.
基于脱氢肽的新型自组装超分子水凝胶。
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