Triplet representative involving s:s T edge from crystal structure
with Guanine as the third base (Frequency = 2)

PDB ID: 1VQO.pdb
Residue No: 3003(9):3025(9):3021(9)

Triplet representative involving W:S C edge from crystal structure
with Uracil as the third base (Frequency = 1)

PDB ID: 3DIL.pdb
Residue No: 126(A):68(G):24(U)