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 TTTGTTCGTTCGGCTCGCGCGA GTCCGGGCCCCACGATCATGGCTTATAGC CCGGTGTTGTTGGATTGTCCGGGCCCCACGATCATGGCTTATAGCGTAAACGCTTTGTTCGTTCGGCTCGCGCGACTTAATAACACGAT 5 7 3' arm Saccoglossus_kowalevskii mirbase 100 pma-mir-375a 0.00002 -33.8 ...(((((((((..((((.((((((..((((.((........((((....)))).)).))))..)))))).))))..)))))))))... (-33.80)