On Thu, 2003-05-01 at 18:29, Jeremy Mann wrote: > I am curious if any knows of any commercial or open source solution to > breaking up the NCBI dbs into various sizes. Here, our present solution is You can use the "formatdb -v N" option to have the database automatically divided into groups of N x 10**6 letters. I would recommend this route for the database formatting side. Keep the original db around for the other tools. I am working on a fast segmenter. Should be done soon. -- Joseph Landman, Ph.D Scalable Informatics LLC email: landman@scalableinformatics.com web: http://scalableinformatics.com phone: +1 734 612 4615