10 20 30 40 50 AAAUCCGAGCUCUCUCA--| UG GC U G A UUCUGU GCC CUGGGU AGUGGUUCU AACA UUCA CAG \ CGG GGCCUA UCACCAGGA UUGU AAGU GUU A AGACAGGGCGCUGCGCGUU^ CA GU U A - AAUACG . 110 100 90 80 70