10 20 30 40 50 CACUUCCAGGUCUUUCU-- U C--| U U C UGGCA UCUCU UGCUUU AGCU CU UACAGUGUUGC UUG U AGAGA GCGAAA UCGG GA AUGUUACGACG AAC G CAACGAGUAACUUCAGCUG C CUA^ - C - UUGAG . 110 100 90 80 70 60