10 20 30 40 50 60
GUGGUUUUCGUGCGGCCCA--| A A UC U AGUUCGG
GUCACU GUUA UUGUACUUCA AGGUGC CUGG U
CGGUGA UAGU AACGUGAGGU UCUACG GACC U
GCUACCAGACCUGCAUAAGCA^ A A UU - AACACGC
120 110 100 90 80 70