TopDraw is a sketchpad for drawing topology cartoons of proteins written in Tcl/Tk (Tcl/Tk  is installed by default with most unix variants and is available for most if not all platforms). It does not calculate topology from a PDB file, but merely allows you to sketch a topology derived from another source.

Features

    * Easy sketching of protein topologies
    * Save/Open function for reusing/editing previous drawings
    * Postscript output for printing/publication
    * Runs (probably)  on all common platforms (anywhere Tcl/Tkv8 will run).
    * Horizontal or vertical helices and strands
    * New version allows diagonal connections

TopDraw runs on Linux machines s; the executable is in:

/joule2/programs/lx_bin/topdraw  or just type "topdraw"

The documentation is in:

 http://stein.bioch.dundee.ac.uk/~charlie/scripts/topdraw.html