Hi Neeraj,

CCP4 has a program which allows one to draw topology diagram manually...it's easy to learn and use.
http://stein.bioch.dundee.ac.uk/~charlie/software/topdraw/

There is another program called "TOPS" (website is currently under maintenance) which generates topology diagram according to your pdb file.
 http://www.tops.leeds.ac.uk/

Hope it helps!
Simanshu

On Wed, Jun 11, 2008 at 11:07 AM, Neeraj <[log in to unmask]> wrote:
Hi all,
    wondering if anyone knows of a user friendly and esy to use program for generating topology diagrams for proteins. Any help would be very useful to me.

thanks,
Neeraj

--
Neeraj Kapoor
TPCB Graduate Fellow
Sakmar Lab/ Molecular Biology & Biochemistry
The Rockefeller University
1230 York Avenue, RRB 510
New York, NY 10021
lab.1.212.327.8284:fax.7904
mobile: 917.535.2030
http://www.rockefeller.edu/labheads/sakmar/sakmar-lab.html



--
Dhirendra K Simanshu
Research Fellow
Memorial Sloan-Kettering Cancer Center
New York, NY, USA