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 ATCCTTCGTCCCTGGGTGAGA GCACCTGGGCAAGGATTC GCTCTCCCTCTCTCATCCTTCGTCCCTGGGTGAGAGTGCTTTCCGAATGCAATGCACCTGGGCAAGGATTCCAGAGGGCGAGGC 3 3 5' arm Equus_caballus mirbase mir-500 3e-41 hsa-mir-501 8e-23 -37.5 .(((.((((((...((((((.((((..(((((....(((.........)))...)))))))))))))))...)))))).))).. (-37.50)