Figure 6
![Figure 6](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2105-6-109/MediaObjects/12859_2004_Article_434_Fig6_HTML.jpg)
Separation of regulatory DNA. Separation of regulatory DNA (column 2) from coding (column 1) and non-coding, non-regulatory (column 3) due to the fluffiness coefficient F (Y-axis). Box-plot of the Fluffiness (Y-axis) index for the three functional regions.