Triplet representative involving H:W T edge from crystal structure (Frequency = 4)
with Uracil as the third base

PDB ID: 3CME.pdb
Residue No: 2799(0):2558(0):2774(0)

Triplet representative involving H:S T edge from crystal structure (Frequency = 1)
with Guanine as the third base

PDB ID: 2J01.pdb
Residue No: 1254(A):808(A):585(A)