10 20 30 40 50 GGGGUUUUCCGAGUUAU-- UGU AUU ---| A GUACUA GC GGCC UGCUAUGACAAU GUUGCACU CU C CG CUGG ACGAUACUGUUA UAACGUGA GA U GGGCCACAGCACGCACAGG CCU CGU UGA^ C ACUCAC 120 110 100 90 80 70 60