10 20 30 40 50
CAUUCAAUCUACGGAAC--| G U AA A UGCGA
CAGUUCCAAGCU UGAU GUCC ACGCA UUCUUG U
GUCAAGGUUUGG ACUA CAGG UGUGU AAGAAC C
CUCCUCUGACACAGCGUUA^ G - GC C CAUUG
110 100 90 80 70 60