10 20 30 40 50 AGAACUUCUGUGUGCAG--| U C U G A GUUCUGU GCGCGCC GGUC AGUGGUUCU GACA UUCA CA \ CGCGCGG CCAG UCACCAGGA UUGU AAGU GU A GACGACAGCAGCGGCGGCA^ C A U A - UAACACG . 110 100 90 80 70