10 20 30 40 50 GACCAGCUUUAAAUAAG--| UGCAUUUGCA UG G AUUGAA UUUGUG GGAACU U AGUCUCCU \ AAACAC CCUUGA G UCAGAGGG A CACUCUUAAUCGUCCUUUU^ CCACAAGGGC GU G CAAGUA 110 100 90 80 70 60