10 20 30 40 50 CACGCCUCCUCAUAUGU--| C G U A G UGUC GAGCG CGG UCCUGAU GUCCA AC CAAUUCUUG \ CUUGC GCC AGGGCUG CAGGU UG GUUAAGAAC U AGGCGGCCCGCAGCCACCC^ C G - G A CCCG 110 100 90 80 70 60