10 20 30 40 50 UGUCGUUUGGAUGGACC---| A AU GG G U AUGC UCUCU GGGG GAGUG AUG UUGCAUA AUACA U AGGGA CCCC CUCAC UGC AACGUAU UAUGU G GAUACAUCCAACUUCAUCUC^ - AU UU - - AACA 110 100 90 80 70 60