10 20 30 40 50 GGGAUAGUGGGGACUUGCC--| U U U U GUACUA CC UUCUG AUAGGUUGGGAU GGU GCAAUGCU \ GG AGGAU UGUCCGGCCCUG UCA CGUUAUGA U GUUUGGUAACCUUUUAGGGUU^ U U U - UGUAUU . 110 100 90 80 70