10 20 30 40 50 60 CUGUUCUAAAGAGCCCUGAGUGA - CU----| U ACA GUAGAU C AGGUA GUAAACA CCU CUCUCAGCU \ G UCCGU CAUUUGU GGA GAGGGUCGA G ACAAGAGAAACCGACUAAAG--- U CUCUCU^ C A-- AAGAGU . 110 100 90 80 70