Seems kinda odd, but if that's what turns you on:
DNA Cleavage by Restriction Enzyme EcoRV
The restriction enzyme EcoR V is shown (colored in green and blue for each monomer in the homodimer). The DNA is colored in standard CPK colors and is shown as bound to the enzyme prior to cleavage.
Of course there are many, many modes of DNA cleavage; by aromatic amines, photochemical, acid driven. Didn't know if you have a particular fetis..., ah, preference.