Basepairs involving WatsonCrick(W) 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 |
18 | Residue Nos. 2823(A)-2047(A) PDB ID 2J01 |
C5-O2...N6-N7 C6-O2'...N1-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 |
Residue Nos. :21(W)-8(W) PDB ID 2J02 |
(1) N3-O2...C2-C5 C6-O2'...N6-N7 (2) N3-O2...C2-C5 C6-O2'...N1-C5 |