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 GCGACCCATACTTGGTTTCAG GAAATCAAGCGTGGGTGAGA ATGAAATCAAGCGTGGGTGAGACCTGGTGCAGAACGGGAAGGCGACCCATACTTGGTTTCAG 4 1 3' arm Equus_caballus mirbase mir-551 1e-23 hsa-mir-551b 1e-29 -26.6 .((((((((((..((((((...((((........))))....).)))))..)))))))))). (-26.60)