10 20 30 40 50 AAUGUGCUCGUUAUCAU---| C A CA U UGUUUC GGG CGAGUU CCUUUGAU UCAG AAGUGAGAU \ CUC GCUCAA GGAAACUA GGUC UUUGCUUUA U CCAUCAACAUCUAAGUUCAG^ A - AC U GCAUAG 110 100 90 80 70 60