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 TTATCATGACTGTAAACAGGAGG TCCTGTGTTGACATTCATGATGTTT TGGGAAGATCGTTTATCATGACTGTAAACAGGAGGGGCCCAAGGATTTAAGCCACTCCTGTGTTGACATTCATGATGTTTGACTTT 5 2 5' arm Strongylocentrotus_purpuratus mirbase 100 100 -33.2 ...((((.(((..((((((((.(((..(((((((.(((............))).)))))))....))).))))))))..))))))) (-33.20)