U-U Base Pairing


Cis geometry
 
   PDB freq.   
   Isosteric pairs   
102 (0.19%)
CC131, CU106
(annotated as a 81)
?
Trans geometry
 
   PDB freq.   
   Isosteric pairs   
4 (0.007%)
(not found)
CCXIV
4 (0.007%)
reversible
118 (0.22%)
AAV, ACXXV, AG60