TRIPLEX

1) Highlight the Phosphate backbone.

Highlight Watson Crick base pairing

3) Add Hoogsteen base paired strand

References M.Tarkoy,A.K.Phipps,P.Schultze,J.Feigon Solution Structure Of An Intramolecular DNA Triplex Linked By Hexakis(ethylene glycol) units: D(AGAGAGAA-(EG)6-TTCTCTCT-(EG)6-TCTCTCTT) Biochemistry, V. 37 5810 1998