10 20 30 40 50
CCCCACGUCCCGUGGUU--| CU G C GC
GG GCCGUUGGGCCCCAGGUAGAGC CCUUCA C G
CC CGGCAACCCGGGGUCCAUCUCG GGAAGU G G
UCCACAACGACUCGUCACU^ CU A C CA
110 100 90 80 70 60