10 20 30 40 50 CUCUACGCAUGCGCACUGUA- -| UCGA G - U UUGCCA UUGCU CU AUGGCACU CUA GAAU CACGG \ AACGA GG UACCGUGA GAU CUUG GUGCC U UGUCCGGUGGUCUUCGUUGUC U^ UUCA - U - CAAUGA . 110 100 90 80 70