目的构建表达抗菌肽Dermaseptin S4（DS4）及其突变体K4-S4的工程菌，并表达目的蛋白。方法采用重叠延伸PCR法设计和扩增抗菌肽DS4及K4-S......

Although the hydrophobic-polar (HP) model is a simple model to study protein folding, it is an approximation to the real......