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 AAAACCTGAACGAACTTTTC ACAGTTTGTCTGGGTTATTCT TTGGGCTGGCCAAACAGTTTGTCTGGGTTATTCTGTAACTTGGAAAACCTGAACGAACTTTTCGGCCCACCAA 4 1 3' arm Bos_taurus mirbase 100 bta-mir-2284j 5e-36 -28.3 .(((...((((.((.(((((((..(((((.(((((.....))))))))))..))))))).)).))))..))). (-28.30)