pI Calculation

[Chandra]

In article <9405101712.AA12165 at rockvax.ROCKEFELLER.EDU>
cheethj at ROCKVAX.ROCKEFELLER.EDU writes:

> Does anyone know of a program that will allow the
> calculation of isoelectric points and charges at
> various pH values for peptides and proteins with
> modified residues and blocked amino and/or
> carboxyl termini?  Any help with this would be
> greatly appreciated.
> Jim Cheetham
> Laboratory of Molecular and Cellular Neuroscience
> The Rockefeller University
> CHEETHJ at Rockvax.Rockefeller.EDU

Try the ftp site -> fly.bio.indiana.edu.  It has a directory called
molbio, which contains some programs that will do pI calculation.  This
directory contains programs for both mac and pc.  Good Luck.