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 TTTGGTCCCCTTCAACCAGCTG GCTGGTAAAATGGAACCAAATC GCTAAAGCTGGTAAAATGGAACCAAATCAACTGTTCAATGGATTTGGTCCCCTTCAACCAGCTGTAGC 5 0 3' arm Equus_caballus mirbase mir-133 4e-27 gga-mir-133a-2 4e-33 -27.6 ((((.(((((((..((.((.((((((((............)))))))).)).))..))))))).)))) (-27.60)