10 20 30 40 50 UCGCUUAUUGGCCACAA--| CCU G G A UUCUCU GUCCU GGU GAGUGGUUCUAAACA UUCA CAG \ CGGGA CUA UUCACCAGGAUUUGU AAGU GUU A GGGCACAGACCGCCAGUCA^ CGC G A - ACAGCU . 110 100 90 80 70