How to remove unwanted characters from a DNA sequence

[Andrew Leung]

Dear all,

I was surprised that there were plenty of links about bioinformatics tools
on the Internet, but none can help remove unwanted (or non-ATGC) characters
from a DNA sequence - what a simple, yet frequently encountered task.

I then designed a very simple online tool for such purpose. You may find it
at www.byvalor.com. If you have a chance to use it, please drop me
suggestions and comments.

Best regards,
Andrew Leung