10         20         30        40        50        60          
UCGUAAGCUGUCAGUGUG-  -|        AU                 U   GUGGGGUAGGGAUUUCU 
                   CC CAUGCUGGG  GAGGUAGUAAGUUGUAU GUU                 \
                   GG GUGUGACCC  UUUCAUCAUUUAACAUA CAA                 U
GAUCCUGGGUCACUAGCAA  U^        C-                 U   UAGCGAUUAACCCCGUU 
.       130       120       110        100        90        80