Basepairs involving Sugar edge of Guanine and Sugar edge of Uracil

Basepairs involving Sugar(S) edge of Guanine 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
G:U S:S Cis	21	Residue Nos. 2597(B)-2074(B) PDB ID 2QAO	N3-O2...N2-N1 C6-O2'...N3-C6

Basepair

(type & Orientation)

*Frequency

Example

Hydrogen bonding atoms with their precursors

G:U S:S Cis

Residue Nos. 2597(B)-2074(B) PDB ID 2QAO

N3-O2...N2-N1

C6-O2'...N3-C6