10 20 30 40 50 CUUGACCUUUCUUCUCC----| A C GU AG U - GUGCA AG UGC CCACUGU GAAA GGG GAGGGU ACC \ UC ACG GGUGACA CUUU UCC CUCCCA UGG C AUCCAGACCCUCUUCUCCGGA^ C A -- CU - A GUUAU 110 100 90 80 70 60