10 20 30 40 50 AUACUUCGUUGCUCACGUACU- A A- U -| U GUGC GCUUC UG ACGUAUACUGAA GUAU CC GA U CGGAG AC UGCAUAUGACUU CAUA GG CU A GGGCUGAUUUCUACUAACACGU G AA C U^ C AUCU 110 100 90 80 70 60