10 20 30 40 50 UGUUUUGAAAUAGAAAAUGGCUA--| U A A A A C UUAAU ACUUCU AGG AG ACA ACUG UC CACA G UGGGGA UCC UC UGU UGAC AG GUGU A ACCUGCCUCACCGACAACAUCUACA^ C C C G - A CUCGU 110 100 90 80 70 60