10            20        30        40        50        60
CUCAUAGAAAAAGGUCC----|   AACAG          C  UCU       U   GGCUUG 
                     CUUA     GAUGACCGAU UC   UGGUGUU AGA      G
                     GAAU     UUAUUGGCUA AG   ACCACGA UCU      G
ACGUCGAUACAACGGUAAGUG^   GUA--          A  UUU       -   ACUUCU 
 .       110       100          90        80         70