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 CAGCAGCACACTGTGGTTTGT AAACCACACTGTGGTGTT CAGCAGCACACTGTGGTTTGTACGGCACTGTGGCCACGTCCAAACCACACTGTGGTGTT 4 0 5' arm Equus_caballus mirbase mir-497 1e-26 mml-mir-497 8e-28 -27.5 .((((.((((.(((((((((.(((((......)))..)).))))))))).)))).)))) (-27.50)