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
TGTGCAAATCCATGCAAAACTGA AGTTTAGCTGGTTTGCATCAGC GCTCCTGTCAGTTTAGCTGGTTTGCATCAGCTGGCTACTGTGCTGTGCAAATCCATGCAAAACTGACTGTGGC  1 3 3' arm Xenopus_laevis mirbase mir-19 0.00000000002 xtr-mir-19b-1 3e-31 -32.8 ((..(.((((((((.(((((((((((.((((..((....)))))))))))).))).)).)))))))).)..)) (-32.80)