10 20 30 40 50 60 70 UUUUGCUUUCUUUACGC--| U UA UA UU UUAGCGCAGUUCUGCUCA GUCUG UACCGA AUGGCACUGG GAA CACGG \ CAGAC GUGGUU UACUGUGGCC CUU GUGCC C ACCUAGAGCACAACUGUCU^ C CA C- CG AGUGCACAGUGCGUAGUG 140 130 120 110 100 90 80