ncbi源码，包括两两比对，blast搜索等-NCBI source, including the Feb. 2 compared to blast search

perl编写。从NCBI中下载的编码区序列，比如整个大肠杆菌编码序列，下载下来是fasta格式的一个文档，这个程序可以让你从中提取想要的gene name。把想提取的gene name放到一个文本中，比如基因序列.txt-written in perl. Downloaded from NCBI coding region sequence, for example, the entire coding sequence of E. coli, downloaded the fasta form