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 TACTGCATCAGGAACTGATTGGA ACCATCAGTTCCTAATGCATTG TACTGCATCAGGAACTGATTGGATAAGAATCAGTCACCATCAGTTCCTAATGCATTG 5 1 5' arm Equus_caballus mirbase mir-217 5e-23 ggo-mir-217 1e-26 -22.9 ...(((((.((((((((((.((((........))).).)))))))))).)))))... (-22.90)