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 AATGCACCTGGGCAAGGATTCA AATCCTTGCTATCTGGGTGCTAGTGC AATCCTTGCTATCTGGGTGCTAGTGCTGTCTCAATGCAATGCACCTGGGCAAGGATTCA 6 4 3' arm Canis_familiaris mirbase mir-500 4e-24 eca-mir-502 8e-28 -27.7 (((((((((...(..(((((...(((.........)))..)))))..)))))))))).. (-27.70)