10          20        30        40        50        
GCAAAGAUGACUAUAAC--|  U      C            CA          UGUCU 
                   ACU UUCCUG CCUCGAGGAGCU  CAGUCUAGUA     C
                   UGG AGGGAC GGAGUUCCUCGA  GUCAGAUCAU     A
GUUGUGGUUCCACUCAUAC^  U      A            A-          CCCCU 
     110       100        90        80         70        60