一种新型折叠结构域的碱性亮氨酸拉链蛋白的DNA结合。

S Sato, K Makino, T Morii
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引用次数: 0

摘要

DNA结合蛋白经常利用短螺旋作为其关键的DNA识别元件。在这项研究中,我们采用基于结构的设计构建了一个小结构域,可以针对酵母转录激活子GCN4识别的特定DNA序列。这种新的DNA结合基序在生理条件下将特定的DNA序列识别为具有高亲和力和特异性的二聚体。
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DNA binding of a basic leucine-zipper protein with novel folding domain.

DNA-binding proteins frequently utilize short alpha-helices as their critical DNA recognition elements. In this research, we have employed the structure-based design to construct a small domain that could target the specific DNA sequences recognized by the yeast transcriptional activator GCN4. The new DNA binding motif recognizes specific DNA sequences as a dimer with high affinity and specificity under the physiological conditions.

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