10 20 30 40 50 CUCCCCGCGGACCCUCA--| C GC U G A GUUCUCU GCCUC UUGGU AGUGGUUCU AACA UUCA CA \ CGGAG GACCA UCACCAGGA UUGU AAGU GU A CGACGGCCGGCUACGGGCC^ C GU U A - UAAUACG . 110 100 90 80 70