Basepairs involving WatsonCrick(W) edge of Adenine and Hoogsteen(H) edge of Uracil is shown. Highlighted examples are found from RNA crystal structures obtained from PDB.
Base pairs stabilized by C-H...N/O interactions along with N-H...N/O hydrogen bonds
Basepair (type & Orientation) |
*Frequency |
Example |
Hydrogen bonding atoms with their
precursors |
1 | Optimized Model Structure |
N7-N6...O4-N3 C8-N1...C5-C2 |
|
0 | Optimized Model Structure |
C8-N1...C2-C5 C4-C2...O4-N3 |