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 ATCACATTGCCAGGGATTT GTTCCTGGGGATGGGATTT GTTCCTGGGGATGGGATTTGCTGCCTGTCACAAATCACATTGCCAGGGATTT 4 0 3' arm Canis_familiaris mirbase mir-23 2e-22 bta-mir-23a 1e-23 -22.5 ((((((((.((((.((((((.((.....)))))))).)))).)))))))).. (-22.50)