10 20 30 40 50 GCCACGCCGCGCGGGCC-- U -| C U G AGUGUU GG GGCGGCGUU CU UUUGGU AUCUAGCU UAUG C CC UCGCCGUAA GA AAGCCA UAGAUCGA AUAC U CCACCGCCAUCGCAGAGCA U U^ - U A UUCGGC . 110 100 90 80 70 60