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 AGGAGCTGCGGGACAAGATTCTT GATTGTTCTGCAGATC AGGAGCTGCGGGACAAGATTCTTGGGGCCACCATTGAGAACTCCAAGATTGTTCTGCAGATC 5 3 5' arm Equus_caballus mirbase mir-492 2e-19 eca-mir-492-1 1e-29 -24.92 .....(((((((((((...((((((((.............)))))))))))))))))))... (-24.92)