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 CAAAGTGCTTACAGTGCAGGTAG ACTGCAGTGAAGGCACTTGT CAAAGTGCTTACAGTGCAGGTAGTGATATATGTGCATCTACTGCAGTGAAGGCACTTGT 4 1 5' arm Equus_caballus mirbase mir-17 0.000000000000003 ssc-mir-17 5e-23 -22.2 ..((((((((.((.(((((.(((((.........)).)))))))).)).)))))))).. (-22.20)