10 20 30 40 50 AGAGCUUCUGUGUGCAG--| U C U G A UUCUGU GCGCGCC GGUC AGUGGUUCU AACA UUCA CAG \ CGCGCGG CCAG UCACCAGGA UUGU AAGU GUU A AACGACAGCGGCGACGGCA^ C A U A - AACGCG . 110 100 90 80 70