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
AATCACAGTCAACTGTTGGC CTTCAGTTGCCTCGTGATCCG AGGGTCTTCGGACCACGCCTTCAGTTGCCTCGTGATCCGCCAAACACAATAAATGGACGAATCACAGTCAACTGTTGGCATGGTGCTCGTACCCATTTT  4 1 3' arm Caenorhabditis_elegans mirbase mir-250 2e-39 cbr-mir-250 1e-18 -38.5 .((((....(.((((.(((..((((((.((.(((((.(((((...........))).)).))))))).))))))..))).)))).)....))))..... (-38.50)