10 20 30 40 50 UGAAGUUACUGUUAACAA--| UCG C- U A AGAAGA AUG CAUGU UGUUGCUGUG CACG UACAAGA \ UAC GUACA ACAAUGACAC GUGC GUGUUCU A GAAGUUAGCUCUGCAAGAUA^ UG- AA U - UUAGUA . 110 100 90 80 70