10 20 30 40 50 CUGCAGUCGGUUCGUAA-- -| C C G U UA U GUUAUC CU GU CGCC UG ACGGAUGAA GUU ACC AUC \ GA CA GCGG AC UGCUUGCUU CAG UGG UGG U UACUGGGAGCAACUAACGU U^ U - G U GG C CGAGUG 110 100 90 80 70 60