10 20 30 40 50 GCCCGAGUGCCCUGCUCUG-- U UU A - -| GU CCUUGU UGU CACACA GGCC AACUGG G GCGCU CU \ ACG GUGUGU UUGG UUGAUC C CGUGA GA A UUACAGGGGUACACGAUAAGG C CG C U U^ AU GUGACU . 110 100 90 80 70 60