10 20 30 40 50 CAGAUCAGUCCAAAUCG--| U C UG AC A AUGUCU AUGUAUG CUGUGU CC AG CCUUA CCUGUG U UAUAUGU GGCACA GG UC GGAGU GGACAC C UAUAGCGUGACUGCAGUAG^ C A GU CU - UGGAAC 110 100 90 80 70 60