10 20 30 40 50 60 GUGUUAAAGCGUGCUGCAU- -| C G - CG U UGAGUCA CC UGCC AGAUAG C CGAGCC GCG GCAAAGC A GG ACGG UCUAUU G GCUCGG UGC UGUUUUG A GGUAGCACUACUAUCUAUCC U^ U - C CU U UAAGUAC 120 110 100 90 80 70