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 CGGTTTGTCAAGCGGAGTGC CATTCCCGTGGAGGCAGCCGAT CAGTCTTGTGCCATTCCCGTGGAGGCAGCCGATGAGGATTAACGGTTTGTCAAGCGGAGTGCACTTCTAATG 2 4 3' arm Oryza_sativa mirbase 100 osa-MIR2098 2e-35 -20.2 .......((((.(((((.((...((((((((.(((...))).))).)))))..)))))))))))........ (-20.20)