10 20 30 40 50 UCCUUAUCAUCUAGAAC--| UCA C C C UUCCUU AGGUGAU AUA UAAGUACUAG GC GCAGGAG \ UUCGCUA UGU AUUCGUGAUC UG CGUCCUC U CCUUAAAAAAACUACCCGG^ UGG A C U CGAAUU 110 100 90 80 70 60