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 CACTAGATTGTGAGCTCCTGGA AAGGAGCTCACAGTCTATTGAG AAGGAGCTCACAGTCTATTGAGTTGCCTTTCTGACTTTCCCACTAGATTGTGAGCTCCTGGA 4 0 3' arm Canis_familiaris mirbase mir-708 6e-26 eca-mir-28 1e-29 -29.5 .((((((((((((((((.((((((........))))....)).))))))))))))))))... (-29.50)