目的：克隆并表达艰难梭菌毒素A羧基末端受体结合区基因。

AIM: to obtain the high expression of the gene coding for clostridium difficile toxin a receptor binding zone.

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特谢拉已经确定这种甜蛋白的甜度与蛋白表面某一区域的特定电荷有关，这一区域同人们主要的味觉受体相结合。

Teixeria has already determined that the sweetness of thaumatin is related to the specific charges across a large surface area over which thaumatin can bind to the principle human taste receptor.

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集中介绍了IGF1的三维结构、IGF 1与相关受体和结合蛋白的结合区以及二硫键在蛋白质折叠中的重要作用。

It is concentrated on the three dimensional structure of human IGF1, and the combining regions between IGF1 and relative receptors and binding proteins.

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