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 GGCCAAAAAGTTCGTTCGGA CGAACAAATTTTTGGGCC GGCCAAAAAGTTCGTTCGGAATTTTCCATCATAAGTGGTGGCTAATCCGAACAAATTTTTGGGCC 2 0 5' arm Bos_taurus mirbase 100 bta-mir-2284f 0.00001 -29.5 ((((.(((((((.(((((((.((..((((((....))))))..))))))))).))))))).)))) (-29.50)