10 20 30 40 50 UUCAUCACAGCAGUGUG--| U AU UG C U UUCCUGU UGGUAAG GC GUG GUGA GGGUCAAGAC GU \ ACCAUUC CG UAC CGCU CCCAGUUCUG CG G GACGCUAAGGUUACGAACG^ U CG GU C - UAACUUA . 110 100 90 80 70