See
here
information on what you need to run properly Graphical Contacts and BLUE STAR STING Components
Launch BLUE STAR STING application with public PDB file
Chose the size of the BLUE STAR STING window:
640x480
800x640
1024x768
1280x1024
Enter 4 letter code of the PDB format file (Example: type in
1cho
). Then
STING It!
PDB Code: