10 20 30 40 50 AGAACAUGUUCAAAUUA--| UAG A G U C UUGUUGC GCGAGUG AAA GGCAA AUGU GG AUAGCUG \ CGUUCAC UUU CCGUU UACA CC UGUCGAC C GCUGUUGACGUUUCUAACC^ CUG A A U A CAAAAAA . 110 100 90 80 70