>Pca-Let-7_pre
UGAGGUAGUAGGUUGUAUAGUUACAUAUUACAUCAUUAUAGGAGAACUGUACAACUUGCUAACUUUCC
>Pca-Let-7_pri
AGCGUCGAAGAAUUUGGCAUGUGCCUGGGCUGAGGUAGUAGGUUGUAUAGUUACAUAUUACAUCAUUAUAGGAGAACUGUACAACUUGCUAACUUUCCCUUGGUCAUGCACACUCGUCGAGGAAGAAA
>Pca-Let-7_loop
ACAUAUUACAUCAUUAUAGGAGAA
>Pca-Let-7_5p
UGAGGUAGUAGGUUGUAUAGUU
>Pca-Let-7_3p*
CUGUACAACUUGCUAACUUUCC