10          20        30        40        50          
AACUUGGUGUAAUAAAUA--|  U       U        C        UUGUCAGAUAAC 
                    AUC GUUGAGG AACUGAUA AAGUAGGA            \
                    UAG CGGCUCC UUGACUAU UUCGUCCU            A
UCACACGUUAGAUCUAUUCA^  U       C        C        CGUCUAAUACCU 
 .       110       100        90        80        70