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 AGCTACATTGTCTGCTGGGTTT ACCTGGCATACAATGTAGATTTCTGT ACCTGGCATACAATGTAGATTTCTGTGTTTGTTGGGCAACAGCTACATTGTCTGCTGGGTTT 5 4 3' arm Canis_familiaris mirbase mir-221 1e-23 ssc-mir-221 1e-29 -26.2 (((..(((.(((((((((....(((((((.....))).))))))))))))).)))..))).. (-26.20)