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 CGTCCCGGGGCTGCGCGAGGCA CCTCGGCGGCCCGGGGGGCGGG AGCAGCCCTCGGCGGCCCGGGGGGCGGGCGGCGGTGCCCGTCCCGGGGCTGCGCGAGGCACAGGCG 3 2 3' arm Homo_sapiens mirbase 100 100 -46.6 .((...((((((((((((..((((((((((....)))))))))).))))))).))))).....)). (-46.60)