10 20 30 40 50 60 UACUAUUCCUGAAACCGU C A--| U C GC ACUCAC UG UAUGU UUUUCGGGUU CAU GUC CCUCGAC A AC GUAUA AAAAGCCCGA GUA CGG GGAGUUG G GGGUAAAGUUCCCAGGCA U AAC^ U - AU UGAAGC 120 110 100 90 80 70