Using this tutorial:
 This website runs the Jmol molecule viewer. You will need a Java-enabled browser to view this website. Refresh your browser to resize applet to your screen size.

You can follow the tutorial below while watching short animated scripts by clicking the appropriate buttons.  At anytime, if you want to change the view of the structure, do the following:
Rotate: Click on mouse and drag
Zoom: Scroll wheel on your mouse or +Shift and left click
Move: +Ctrl and right click

If you are familiar with RasMol commands, you can also use them through the JMol console.

Jmol is not rendering the colors on the DNA backbone the way RasMol will for the model.  Please see the images below for reference on how the DNA backbone can be displayed. 

Default view

Protein backbone:

Effector domain colored green. 

Amino termini (the end of the linker to regulatory domain) colored blue. 

Recognition helix colored dark green. 

Sidechains:

Sidechains contributing to protein-protein interaction colored pale green.

DNA:

Remove DNA

DNA backbone colored grey and nucleotide bases colored by identity (A, T, C, G). 

The backbone of the upstream nucleotides of the DNA colored white.

 Tutorial and scripts prepared by Kathryn Kolb, Ashley Feng

PDB File: 1GXP

Blanco, A.G.,  Sola, M.,  Gomis-Ruth, F.X.,  Coll, M. (2002) Tandem DNA recognition by PhoB, a two-component signal transduction transcriptional activator. Structure 10: 701-713