Basepairs involving WatsonCrick(W) edge of Guanine and WatsonCrick(W) edge of Guanine 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

G:G W:W Trans

7/
3

Optimized Model Structure

N7-O6...N1-N9

N9-N1...O6-N7

* 1st and 2nd numbers in Frequency column represent the numbers of occurences as base pairs and as base triplets, respectively.