Basepairs involving Hoogsteen edge of Adenine and Sugar edge of Guanine

Basepairs involving Hoogsteen(H) edge of Adenine and Sugar(S) 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
A:G H:S Trans	531/ 78	Residue Nos. 860(A)-869(A) PDB ID 2QAL	C6-N3...N6-N1 N1-N2...N7-N9

Basepair

(type & Orientation)

*Frequency

Example

Hydrogen bonding atoms with their precursors

A:G H:S Trans

531/
78

Residue Nos. 860(A)-869(A) PDB ID 2QAL

C6-N3...N6-N1

N1-N2...N7-N9