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 AGCTGGTGTTGTGAATCATGCCGA GGCTATTTCACGACACCAGGGTT AGCTGGTGTTGTGAATCATGCCGACGAGCAGCGCATCCTCTTACCCGGCTATTTCACGACACCAGGGTT 6 1 5' arm Canis_familiaris mirbase mir-138 3e-25 mml-mir-138 3e-31 -29.3 ..(((((((((((((....((((..(((.((......)))))...))))...))))))))))))).... (-29.30)