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 AACATTCAACGCTGTCGGTGAG ACCGACCGTTGACTGTACC AACATTCAACGCTGTCGGTGAGTTTGGGATTTGAAAAAACCACCGACCGTTGACTGTACC 3 2 5' arm Canis_familiaris mirbase mir-181 9e-25 eca-mir-181a 2e-28 -23.2 .(((.((((((..(((((((.((((...........))))))))))))))))).)))... (-23.20)