10 20 30 40 50 CCCGUCCGUGCCGCUGUUUC--| UG A C - GCUUUA AUACU AGGAGAAAUU UCCUUG UGUG UUC U UAUGA UUUUCUUUAA AGGAAC AUAC AAG U UCCAGGCGACUUCGUCCUAAAC^ GU C - U UAGUGU . 110 100 90 80 70 60