> Hi. > Does Anybody know How to calculate the isoelectric point > from a polypeptide using only the aminoacid composition? > Thank you in advance > Heriberto Correia http://www.embl-heidelberg.de/cgi/pi-wrapper.pl -- Evangelos Christodoulou University of Athens, Greece If Che Guevara was alive he'd use a Mac -the only revolutionary-friendly platform