See here information on what you need to run properly XY Graphics Java Plot and STING Components

Launch XY Graphics Java Plot 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 1ppf). Then STING It!
    PDB Code: