10 20 30 40 50 60 UUGUUAUGAAUUAACGU---| UCAUA U - UU ACCUUAA CCGA UAUGUGGC AUG UUCAAUUGCU GAU G GGCU AUGUACUG UAC GAGUUGACGA CUA U UCUACUUUAUAGCGAUAAAA^ UUAA- U U -- UUUGCGU 120 110 100 90 80 70