10 20 30 40 50 AGGAGCGGGCGCUCUCC---| GC U G A GUUCUUU GCCUCGCGGGU AGUGGUUCU AACA UUCA CA \ CGGAGCGCCCA UCACCAGGA UUGU AAGU GU A GGCCCCGUAGGCGGCCGCCG^ GU U A - UAAUCGG . 110 100 90 80 70