10 20 30 40 50 60 UCUUCAAUGCAUCUUAA----| UG C AU A UAGAAAAA AUAUAAU CUGU AGUGUGAAUGU UC AGUCAAU \ UAUAUUA GAUA UCGCACUUACG AG UCAGUUA A ACGAAACUAACUCUUCUAACU^ -- U -- A UUUUAUAA 120 110 100 90 80 70