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请教如何用Perl分析ssDNA的Hairpin结构??

RT,具体需求是这样的:分析fasta文件中的ssDNA序列,计算它可能产生的每一种发夹结构(hairpin structure)的径(stem)碱基个数和相应的detaG值,当存在detaG值 小于某个值(比如-1Kcal/mol)就排除这个ssDNA;输出满足条件的ssDNA的自身的detaG值和它形成的发夹结构的detaG值 和径碱基个数。CPDN中有能实现这样功能的模块吗,有谁熟悉吗? 序列文件格式如下: >1|random sequence|A: 0.25|C: 0.25|G: 0.25|T: 0.25|length: 25 [...]...

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