10 20 30 40 50 UACUGGUUAUAUCAUGUA--| U AAU CUUAU UUCUA GUUUAGUGG AC ACCUCAGU CAGGUG \ CAAGUCACU UG UGGAGUCA GUCCAC U UGCUCUUUGUACUUCGGACA^ U AGU AAAAC UUAAA 110 100 90 80 70 60