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 TGAACCTGGCATACAATGTAGATTTCTGTGTTTGTTGGGCAACAGCTACATTGTCTGCTGGGTTTCAGGC  3 4 3' arm Sus_scrofa mirbase mir-221 7e-26 eca-mir-221 7e-32 -28.6 .(((((..(((.(((((((((....(((((((.....))).))))))))))))).)))..)))))..... (-28.60)