10 20 30 40 50 60 UUGCCAACGUGUUGCUG---| CA AGA - A UGUUGUU GCC CU AGCAGUUCUUCAG UGGCA GCUUUA C CGG GA UUGUCAAGAAGUU ACCGU CGAAAU U UAUUAGGUUCUACUUAUCAU^ C- AAG G - CGUGUCU 120 110 100 90 80 70