Residue conformations ------------------------------------------- 1 : C C3p_endo anti 2 : C C3p_endo anti 3 : U C3p_endo anti 4 : A C3p_endo anti 5 : U C3p_endo anti 6 : G C3p_endo anti Adjacent stackings ---------------------------------------------- Non-Adjacent stackings ------------------------------------------ Number of stackings = 0 Number of adjacent stackings = 0 Number of non adjacent stackings = 0 Base-pairs ------------------------------------------------------ 1-6 : C-G Ww/Ww pairing antiparallel cis XIX 3-4 : U-A Ww/Ww pairing antiparallel cis XX