10 20 30 40 50 UUCCGUGGUUGCCUGCACU--| C UU G - A UUUUC GGG UGUG CACAGGCACG CC GGUUUG GCA A CUC ACAC GUGUCCGUGC GG CCAAAC CGU C UCUGAGCCGCCCGCGUCCACU^ A CG - A - UAAGU 110 100 90 80 70 60