10 20 30 40 50 CUUAAAUUGUUCAUUGC--| UUUGAGA C A GUAUUUA GCC GUUCCAUGCUUC UUGCAUUC AUA \ CGG CGAGGUAUGAAG AAUGUAAG UAU U GUCAAACCAUACUACGAAG^ UCUAAAG A G ACGAAUA . 110 100 90 80 70