i have some problem on extracting info. about seq->alphabet from gb file.Because some sequences are mRNA while others are DNA, but after running the code. it ignores mRNA but report all are DNA. why it happen and how to solve it? ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡Zhe Chen ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡thechans at citiz.net ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡2005-10-12