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 AAAAGTTCGTTTGGTTTTTTC AAGAACCTGATTGAACTTTTTG TTGGCTGAAAAGTTCGTTTGGTTTTTTCCACAAGATGTTAGAGAAAGAACCTGATTGAACTTTTTGGCCAA 3 1 5' arm Bos_taurus mirbase 100 bta-mir-2284x 0.000003 -29.6 .((((..(((((((((...((((((((((((.....))..).)))))))))....)))))))))..)))). (-29.60)