10          20        30        40        50          
UAAUGUAAUAAAAUUAG--|  C           U     U  U          CAUUGAA 
                   GUA AGUUGGUUUCA AUAAA UG CUGCGACACU       \
                   CAU UCAACUAAGGU UAUUU AC GGCGCUGUGG       U
UACAGUGGUUACAUCCAUU^  A           U     U  U          GCAUCAU 
 .       110       100        90        80        70