10 20 30 40 50 60 GUCCGGCAUGGGGUGGU- A-| AA CA A AGCUGAAGG GGG CGGGGCAAG GGCAGUGGCA G CAGGG \ CCC GUCCCGUUC CCGUCACCGU C GUCCC U CUAACUGACCCUCUGUGG GG^ CA -- C CUUAGUCGG . 110 100 90 80 70