10 20 30 40 50 60 CACCUUGCUCCUGUGAAG A--| U U CU GCCCCCUCC UGC GC GUCUCU GUGCUUGAU AACCAUGUG U ACG CG UAGGGA CGCGAACUG UUGGUACAC G CUCUCCGUCCACCCGCGC GUC^ C C CC UACAGUGUU 120 110 100 90 80 70