10 20 30 40 50 GUGCCCUUGCUGUCCUC--| U C - AU CUUUA UGGUACC GAAAAGAAG UGC CCAUGUU UUUCG U ACUAUGG UUUUUCUUC ACG GGUACAA AAAGC A UCGAGAAGUACCACUCUAA^ C - U AC AGUGU 110 100 90 80 70 60