10          20        30        40        50        60        70 
GCACAGAGUGAGCACUUAU--|     CC                 UG        GAGAAAUAUAGAGCAC 
                     CGAUCC  AGCUAAUCUCAGCCGGU  AUGUGGAA                \
                     GUUAGG  UCGAUUAGAGUUGGCCG  UGCGCCUU                A
CACCAACGUACGUCAGAUUUU^     CA                 --        GCGGUUAUCCUUUUGA 
 .       130       120       110       100          90        80