10 20 30 40 50 AACGUCCACCGACAGUCA- AA- A --| C CAGAA GAUCU CG UGAAGGGAGCA UCCAU GACAGU A CUAGA GC AUUUCUCUCGU AGGUA CUGUCA U GAACUAGUGCAACUAAUAA AAA C UG^ - AGCAG 110 100 90 80 70 60