10 20 30 40 50 60 UUCCUGUCCACGUCGCU--| C AG A G UUCGCUUUAU AUUU AUACUUG GAGAAAUU UCCUUG UGUG \ UAAA UAUGAGU UUCUUUAA AGGAAC AUAC U CGUUCAGGCGACUCCGUCC^ C CU C - UAAGUAGGGU 120 110 100 90 80 70