10 20 30 40 50 60 CCCGUUUCUGUAUGUAU--| GU C U CUCAGGACGCU GUGU CACGCUGUUGUGA CGUUA AAUGGGCAU A UAUA GUGCGAUAAUACU GCAAU UUAUCCGUA A ACAAUCAGACCACGAAAGG^ UG U C AAAAACCGUGG . 120 110 100 90 80 70