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 AATATTATACAGTCAACCTCT AGGTTGCCTGTGAGGTGTTCA CTGAAATAGGTTGCCTGTGAGGTGTTCACTTTCTATACGATGAATATTATACAGTCAACCTCTTTCCGGAATCGAATC 4 0 3' arm Equus_caballus mirbase mir-154 5e-30 hsa-mir-656 8e-32 -23.2 (.((((.((((((.(((((..(((((((...((.....)))))))))..))))).)))))).)))).).......... (-23.20)