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
TGATTGACATTTCTGTAATGG ACTCCAGAATGTGGCAATCATG GTGGTTCTTTACTCCAGAATGTGGCAATCATGCATAATTAAATGTGATTGACATTTCTGTAATGGAGTAACACAT  4 1 3' arm Mus_musculus mirbase  100 mmu-mir-509 3e-37 -19.4 (((...(((((...(((((.(((.(((((((............))))))).))))))))...)))))...))).. (-19.40)