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 TGTCTGCCTGAGTGCCTGCCTCT AGGCAGGGGCTGGGCCTGCAGC TCTGTGTTGGGCATCTGTCTGCCTGAGTGCCTGCCTCTCTGTTGCTCTGAAGGAGGCAGGGGCTGGGCCTGCAGCTGCCTGGGCAGAGCTGCTCCTTC 4 1 5' arm Rattus_norvegicus mirbase mir-346 1e-49 mmu-mir-346 5e-46 -49 (((((.(..((((.((((..((((.(((.((((((((.((..........)))))))))).)))))))..)))).))))..))))))........... (-49.00)