10 20 30 40 50 GACAUCUUAGAUGAGAA- - U -| AUC A GCGUCAAU AACC UGU CUCUU GAGAG AGAGGCGCAG GU \ UUGG ACG GAGAA UUCUC UUUCCGUGUC CG A UCAAAUCCUCGUCUUACU C C U^ CAU - AAGUAACU . 110 100 90 80 70