10 20 30 40 50 GUGCCGGUGCUAAUGUGC--| U U UGCC CUUUA GGUGCU GAGGAUAGGUUA CCGUGU UUCG U CCAUGA UUUUUAUCCAGU GGCACA AAGC U UCGGGAGGUUCCGCCCUAAA^ C U UACU AGUGU 110 100 90 80 70 60