10 20 30 40 50 60 UCAGUGUAUGCUCCUGCA- -| C U G AU GUUCGAAAA GGGC UG GAAU ACUUGGGCCAAG GA GCAAACU G CCCG AC UUUA UGAAUUCGGUUU CU UGUUUGA C GUGGUGCACCGCAAAAUAG U^ U U G -- AAAACGUUA 120 110 100 90 80 70