10 20 30 40 50 UCUCCUGUGACCAUGAC--| UGU U A AUAU CUCCA GUC CAGUUGUACGUGGCACUAC UUUU A GAGGU CGG GUUAACAUGUACUGUGGUG AAAA A AGAACGAAUCUUCCAAGAA^ UCC U - UAAA 110 100 90 80 70 60