10 20 30 40 50 AACAUCUUCUCUCUCAA----| UUGCAAC CU UG UAU ACGCGUU CACUUUUGUGGCU UG ACA U UGCGCAA GUGAAAACGCUGA AC UGU U GCGUUUGCGUCUCUCAGUAUU^ UCUUU-- U- GU GUG 110 100 90 80 70 60