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 TTTTGCAATATGTTCCTGAAT TGGGAACATTTTGCATCCAT TTTTGCAATATGTTCCTGAATATGTAATATAAGTGTATTGGGAACATTTTGCATCCAT 4 1 5' arm Canis_familiaris mirbase mir-450 2e-16 eca-mir-450b 3e-27 -18.6 ...(((((.((((((((.((((..(.......)..)))))))))))).)))))..... (-18.60)