10 20 30 40 50 CGGCAGUGUUCCAUCUC---| U CG U GGAACC CCUC GUGCGGAGGGGAGAGC UUCCGUGAC GU U GGAG CGCGCCUUUUCUCUCG GAGGUACUG CA C AAACAAACAACAACAAAACA^ - UU U CAAGGG . 110 100 90 80 70 60