10         20         30        40        50          
AAUCGAUCGACUGUCAU-  G-|        GU             UC      GUGAUGA 
                  GC  GGCCACGUG  CACUUUUGUGAUU  GCAGCU       \
                  CG  CCGGUGUGC  GUGAAAACACUGA  CGUUGA       U
GCAGGGGGACGUCGACUU  GA^        UU             UA      CUGUGUC 
 .       110       100        90        80        70