10 20 30 40 50 UGAGCAGUGACAGAAGU- - UC -| C C UUGUACG GGCU CUCAGGA CAUC UUACC GACAGUG UGGA \ UCGG GGGUCUU GUAG AAUGG CUGUCAC AUCU A GCUGUGUCCUCUGGUGUC U UU C^ U A UGUUGUC 120 110 100 90 80 70