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 ATCACATTGCCAGGGATTA GTTCCTGGCATGCTGATTT GTTCCTGGCATGCTGATTTGTGACTTAAGATTAAAATCACATTGCCAGGGATTA 2 2 3' arm Canis_familiaris mirbase mir-23 7e-19 eca-mir-23b 7e-25 -19.84 ((((((((((((.((((((..............)))))))).)))))))))).. (-19.84)