10 20 30 40 50 ACAACUUCCGGCACACA--| C GC U G A GUUCUCU GCCUU CUGGU AGUGGUUCU AACA UUCA CA \ CGGAG GACUA UCACCAGGA UUGU AAGU GU A GAGGAACUAGCUACGUUAC^ C GU U A - UAAAGCU . 110 100 90 80 70