多肽对钙调素亲和力的预测

根据前文提出的钙调素可结合多肽的钙调素结合部位的模型,并综合钙调素可结合多肽的报道,提出一种简单方法来预测多肽的钙调素结合部位和其复合物的解离常数,研究了多肽的疏水性、形成α螺旋结构的倾向、碱性等因素对解离常数的影响.为了进一步检验模型和预测方法,设计合成了模型肽,合成的模型肽与钙调素的复合物的解离常数的实测值与预测值相符.     

亲水性二苯甲胺树脂制备及用于肽合成研究

通过反相悬浮共聚合成了含酯基的聚丙烯酰胺树脂, 再经乙二胺取代和两步缩合反应引入二苯甲胺功能基团。讨论了反应条件对各步反应的影响。测定了该载体与几种保护氨基酸的缩合率并合成了模型肽。缩合率和模型肽的纯度都令人满意。     

Prediction of affinities of peptides for calmodulin

A simple method has been developed to predict the calmodulin-binding domains of peptides and the affinities of the peptides for calmodulin based on a model for the calmodulin-binding domains of peptides proposed in a previous paper and the literature data of calmodulin-binding peptides. The effects of hydrophobitities, α-helix-forming tendencies, and basicities of peptides on their affinities for calmodulin were studied. Model peptides were designed to examine the calmodulin-binding domain model and the prediction method. The determined dissociation constants of the complexes formed from the model peptides and calmodulin are in good agreement with the predicted results.