10 20 30 40 50 60 CGGUGCCGGCGAAUGGG-- CC -| C G GUGCCA AGG CGUUUCU CU UUUGGUUAUCUAGCU UAUGA C UCU GUAAAGA GA AAGCCAAUAGAUCGA AUACU A UAGCGUGCGUCUUCAACAA CA U^ - A GCCGAG 120 110 100 90 80 70