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 ATCATAGAGGAAAATCCACGT GTAGATTCTCCTTCTATGAGTA TAAAAGGTAGATTCTCCTTCTATGAGTACATTATTTATGATTAATCATAGAGGAAAATCCACGTTTTC 4 1 3' arm Homo_sapiens mirbase mir-154 7e-32 mml-mir-376a-1 4e-33 -18.2 .((((.((.((((.((((.((((((...(((.....))).....)))))))))).)))).)).)))). (-18.20)