10 20 30 40 50 CGCCCGCGGACUUCCCG--| G UCC U G A GUUCUGU GC CGCUGGG AGUGGUUCU AACA UUCA CA \ CG GCGGCCC UCACCAGGA UUGU AAGU GU A CAGGCCGGCGGCGGCGGCC^ G CGA U A - UAACGCG . 110 100 90 80 70