10 20 30 40 50 UAUAGAAAAACGAGAGAAG--| C G U UGAUUA CAUUUUU CUGU AAAGACA GGGUAGUGAGAUG \ GUGGGAA GGCA UUUCUGU UCCAUCACUCUAC A AACAAUGGUGCUUCAAGAAUA^ A G - CAACGG . 110 100 90 80 70