2. Terminology
2.1. Diversity Motifs
The figure below (Figure. 3) depicts the definition of diversity motifs via a aligned nonamer.
Figure 3. Definitions of diversity motifs.
2.2. Conservation Levels
k-mers are distributed into any of these conservation levels based on their index incidence value:
completely conserved (black) (index incidence = 100%),
highly conserved (blue) (90% ≤ index incidence < 100%),
mixed variable (green) (20% < index incidence ≤ 90%),
highly diverse (purple) (10% < index incidence ≤ 20%) and
extremely diverse (pink) (index incidence ≤ 10%).