10 20 30 40 50 AUCCAACCAACUUCAUG--| C CUAU AG U UUCCAC GGGCA ACAAG AAGGUAG AAAUUG UGUC A CCCGU UGUUU UUCUAUC UUUGAC ACAG C GUAAUAGUGACAACGCACC^ U AACU AA U ACUUAU . 110 100 90 80 70 60