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 TTGGTACTTGGAGAGTGGTTATCCCTGTCCTGTTCGTTTTGCTCATGTCGAATCGTACAGGGTCATCCACTTTTTCAGTATCAA 6 0 3' arm Homo_sapiens mirbase mir-154 4e-34 ppy-mir-487b 2e-42 -34.8 .(((((((..((((((((....((((((.(.(((((............))))).).))))))....))))))))..))))))). (-34.80)