10 20 30 40 50 GAGACUAAUAAACGUAU-- U U U --| AAGAA GUGCCUUAGCGU CC CGCAUUC GGU GUUGUGGUG \ CACGGAGUCGUA GG GUGUAAG UCA CAACACUAC A CACUACGACGGCAGCGAUC C - U UC^ AAAGU . 110 100 90 80 70 60