Keeping Track of Restricted Sequences
Reminders of constraints are shown at the top left of the screen. The border of a restriction box turns red if it is not satisfied. The numbers in the boxes display information concerning the constraint. In puzzles that limit the number of consecutive nucleotides, enabling the option "highlight restricted sequences" can be helpful.
- GU Minimum: Displays the number of GU pairs in the structure and the minimum required.
- AU Minimum: Displays the number of AU pairs in the structure and the minimum required.
- GC Maximum: Displays the number of GC pairs in the structure and the maximum allowed.
- Consecutive G or C Nucleotide Limit: Displays the highest number of consecutive G or C nucleotides and the maximum number allowed.
(Possible) Future Restricted Sequences
Players have requested capability for constraints that may be available in EteRNA in the future. These would follow International Union of Pure and Applied Chemistry IUPAC notation standards for matching more than one value of a base.