10          20        30        40        50          
AGACCAUACUCUCCCAA--| U  U        UC    U  C            UAGGUG 
                   CC UG CCUCAGGG  CAGU UU CCAGGAAUCCCU      \
                   GG AC GGAGUUCU  GUCA AA GGUCCUUAGGGG      C
UGUACCAGGUCGACAGUUC^ U  U        U-    U  A            UAGAAU 
.       110       100        90         80        70