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 GCGACCCACTCTTGGTTTCCA GAAATCCAGAGTGGGTGAGGCCT TGGAAATCCAGAGTGGGTGAGGCCTGTCTGACCATTTCTAGGCGACCCACTCTTGGTTTCCA 3 2 3' arm Equus_caballus mirbase mir-551 2e-22 mml-mir-551a 3e-27 -30.7 .(((((((.(((((((((...(((((............))))).))))))))).))))))). (-30.70)