10 20 30 40 50 UGGCCGGGACCCACUACA--| U UUG G U CAGUU GA CCC AUUACG GUAUUCUCGGGU AAUAAUA \ CU GGG UGAUGC CAUAAGAGUUCG UUAUUGU A CUCUCGGCGACAGCUGCACC^ U CAG A - AGUUA . 110 100 90 80 70