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 TTGCATAGTCACAAAAGTGATCAT GTCATTTTTGTGATTTGCAACT CGGCTGATGTCATTTTTGTGATTTGCAACTCGTTTTACGTGTGAAGTTGCATAGTCACAAAAGTGATCATCAGAGG 0 2 3' arm Petromyzon_marinus mirbase mir-153 0.000001 pma-mir-153-1 0.00000000000002 -33.6 ...(((((((((((((((((((((((((((((.....)).....))))))).)))))))))))))).))))))... (-33.60)