10 20 30 40 50 UUCUAAAAAGAAGGUAUUGAAAAUGUA--| A UUAGUC UG AAUUGCUCGGUUUCUCCGCU A AC UUAACGAGUCAAAGAGGCGA U CGUUCCACGUACUUCACUUAAGCCCGAAC^ C CAUCAA 110 100 90 80 70 60