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 AATCGTACAGGGTCATCCACTT GTGGTTATCCCTGTCCTGTTCG TTGGTACTTGGAGAGTGGTTATCCCTGTCCTGTTCGTTTTACTCATGTCGAATCGTACAGGGTCATCCACTTTTTCAGTATCAA 6 0 3' arm Bos_taurus mirbase mir-154 2e-36 hsa-mir-487b 4e-40 -34.8 .(((((((..((((((((....((((((.(.(((((............))))).).))))))....))))))))..))))))). (-34.80)