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 TTATAAAGCAATGAGACTGATT TCCGTCTCAGTTACTTTATAGCC GGTTATAAAGCAATGAGACTGATTGTCATGTGTCGCTTGTGGGATCCGTCTCAGTTACTTTATAGCC 4 1 5' arm Equus_caballus mirbase mir-340 3e-25 eca-mir-340 2e-32 -23.9 ((((((((((...((((((.((((.(((((.......))))))))).))))))....)))))))))) (-23.90)