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 GGAGAAATTATCCTTGCTGTGT ATACAAGGACAATTTCTTTTT ATACTTGAGGAGAAATTATCCTTGCTGTGTTCGCTTTATTTGTGATGAATCATACAAGGACAATTTCTTTTTGAGTAT 2 1 5' arm Equus_caballus mirbase mir-154 6e-33 mml-mir-539 3e-34 -30.9 (((((..((((((((((.((((((.((((.((((.......)))).....)))))))))).))))))))))..))))) (-30.90)