Basepairs involving Hoogsteen(H) edge of Adenine and Sugar(S) edge of Uracil 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 |
0 | Optimized Model Structure |
N1-N6...O2-C5 C4-N7...O2'-C6 |
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 |
19 | Residue Nos. 2600(0)-2598(0) PDB ID 1VQO |
C5-O2...C8-C4 C6-O2'...N6-N1 |