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 TTCAAGTAATCCAGGATAGGCT CCTATTCTTGGTTACTTGCACG TTCAAGTAATCCAGGATAGGCTGTGCAGGTCCCAATGGGCCTATTCTTGGTTACTTGCACG 3 0 5' arm Canis_familiaris mirbase mir-26 4e-24 eca-mir-26a-2 5e-29 -23.9 ..(((((((((.((((((((((.((.......))...)))))))))).))))))))).... (-23.90)