10         20         30        40        50          
UUGGGAACAGAGUUGAGCU-  C-|      GUA                    GGUAUUU 
                    GC  ACGUGAU   GGUAGUUUCAUGUUGUUGGG       \
                    CG  UGCAUUA   CCGUCAAGGUGCAACGACUC       A
GGAACACAUACUGCAGCUGU  AC^      GAA                    ACAGGGU 
 .       110       100        90        80        70