10 20 30 40 50 UUCUCUCCCCUGGUUCG---| UCC U G A CUUCA GGUCU UGGG UUGCGGG GGCUC CAUCAUGU \ CCAGG ACUC AACGUCC CUGAG GUAGUACA U AGCUGAACGACAACGACUGU^ UU- C A C UACUC 110 100 90 80 70 60