10 20 30 40 50 AGGAGCGGGCGCUCUCC--| GC U G A UUCUUU GCCUCGCGGGU AGUGGUUCU AACA UUCA CAG \ CGGAGCGCCCA UCACCAGGA UUGU AAGU GUU A GCCCCGUAGGCGGCCGCCG^ GU U A - AAUCGG . 110 100 90 80 70