10 20 30 40 50 UUGACAGUCCCUCUGAUC--| GC U A A UAUU CUGACU CUACU GAGGUUUG GCU CUGGCUACU U GACUGA GAUGA UUCCAAAC CGA GACCGAUGG C CACAGGAGAAACAACGAUCA^ AU U - C UUCU 110 100 90 80 70 60