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 ATCGTAGAGGAAAATCCACGT GTAGATTCTCCTTCTATGAGTA TGATATTTAAAAGGTAGATTCTCCTTCTATGAGTACAATATTAATGACTAATCGTAGAGGAAAATCCACGTTTTCAGTATCA 4 1 3' arm Rattus_norvegicus mirbase mir-154 4e-28 rno-mir-3595 2e-41 -23.21 .((((((.((((.((.((((.((((.((((((...................)))))))))).)))).)).)))).)))))). (-23.21)