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 TGTGCAAATCCATGCAAAACTCG AGTTTTGCAGGATTGCATCCGGC TGGAAAAGCCCTGTTATCTGGGGTGAGTTTTGCAGGATTGCATCCGGCTTTATTACAACATGCTGTGCAAATCCATGCAAAACTCGCTGCGCCAGGGACAAACCA 0 4 3' arm Danio_rerio mirbase mir-19 8e-36 gga-mir-19b 0.00000002 -43.72 .((.....(((((.....((.(((((((((((((((((((((..((((.............))))))).))))).))))))))))))).)).))))).....)). (-43.72)