10         20         30        40        50        60     
GGGACAGAGAGAGAGAGA-   -|        U   G    U           AGAGAGUCUUAUC 
                   GCU CGUUUCGGU GAG UAGA GGUUGUAUGGU             \
                   CGA GCGAAGCCA UUC AUCU CCAACAUGCCA             A
AGCGAUCCACCGCACAGAC   C^        U   G    U           GGAGGUACAAAUC 
 .       120       110       100        90        80        70