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