Basepairs involving Hoogsteen(H) edge of Adenine and Sugar(S) edge of Cytosine is shown. Highlighted examples are found from RNA crystal structures obtained from PDB.
Base pairs stabilized by N-H...N/O type hydrogen bonds only
|
Basepair (type & Orientation) |
*Frequency |
Example |
Hydrogen bonding atoms with their
precursors |
|
5 | Optimized Model Structure |
N3-O2 ... N6-N1 C6-O2' ... N7-C4 |
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 |
|
0 | Optimized Model Structure |
C4-C8 ... O2-C4 C4-N7 ... O2'-C6 |