10 20 30 40 50 UGUGAGGGUGAUACUAUG--| A GU C CUAUU GUCGUUUCAAUG UAAGUAGUG GC GCAGGUA \ CGGCGGAGUUGC AUUCGUUGC CG CGUUCAU U CCUGAGAGCACUGCAGUAGA^ A UG - AGUGA 110 100 90 80 70 60