mature_miRNA miRNA* pre-miRNA EST_contig mismatches bulges arm species source_database RFAM_best_hit RFAM_lowest_evalue miRBase_best_hit miRBase_lowest_evalue folding_energy secondary_structure ACTGGACTTGGAGTCAGAAGG TCCTGACTCCAGGTCCTGTGTGT GGGCTCCTGACTCCAGGTCCTGTGTGTTACCTCGAAATAGCACTGGACTTGGAGTCAGAAGGCCT 3 2 3' arm Rattus_norvegicus mirbase mir-378 4e-30 eca-mir-378 2e-31 -38.8 ((.((.((((((((((((((...((((((........)))))).)))))))))))))).)).)). (-38.80)