10 20 30 40 50 60 ACUUUCAGAUCCUCCGC---| U GAA UG UA- C CAAGUUAAGA GAAU GU A AAGAGAGC UCCGU GACAGU \ CUUA CA U UUCUCUCG AGGUA CUGUCA C AGAUUAUUAGCAGCGGAAAG^ - AUA GU UUA - UAAUGUUAGC 120 110 100 90 80 70