10 20 30 40 50 AGAUGUCUCCGGCCGUG--- A -| CU C C A-- GGGGUU UGAC CUC CGGG AAGUACUAG GC GU GGAGU \ AUUG GGG GCCC UUUGUGGUU CG CA CCUCA U GCCCCAAUUUCCGUGUUGUA C A^ -- C - CCC CAGGUU . 110 100 90 80 70 60