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 TGGACGGAGAACTGATAAGGGC TCTTATCACCCTCTTGCCCGGC GTCTTTTATCTTTCTTATCACCCTCTTGCCCGGCCGAATACTATGTTATTGAAATTGCGCTGGACGGAGAACTGATAAGGGCTTATATAAGACACGTGGCA 4 2 3' arm Strongylocentrotus_purpuratus mirbase mir-184 2e-36 sko-mir-184 0.00000008 -24.83 (((((.(((..(((((((((..((((.(.((((((((.................))).))))).)))))...)))))))))...))).)))))........ (-24.83)