10          20        30         40        50          
UCAUGGGGAUUCCUGAA--  UC       CU        C-|    CAG     UUUCUUC 
                   GU  CCCACGU  CCUUAUCA  UCUUC   CCAGC       \
                   CA  GGGUGUA  GGAAUAGU  AGAGG   GGUUG       U
CCCCCCAGACCAGCACACA  GU       UG        CA^    CA-     UGAACGU 
 .       110       100        90        80         70