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 TGGGTTGAGGCTTTGGGGCAGGA CTAAGTCTGGGAAGTTTATCGAC AGGGAGACTGTTGGGTTGAGGCTTTGGGGCAGGAGCAGCAGCATCCAACGTTGCACCTAAGTCTGGGAAGTTTATCGACGTTGACCCT 3 6 5' arm Strongylocentrotus_purpuratus mirbase 100 spu-mir-4848a 0.00000002 -28.3 ((((.(((.(((((....(((((((.(((((((.(((((..........))))).)))..)))).).)))))).))))))))..)))) (-28.30)