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 GATTGAGACTAGTAGGGCTAGGC TTAGGTTATGTACGTAGTCTAGGCCAT GAGTAGGCTTAGGTTATGTACGTAGTCTAGGCCATACGTGTTGGAGATTGAGACTAGTAGGGCTAGGCCTACTG 7 4 3' arm Homo_sapiens mirbase 100 100 -28.7 .(((((((((((....(.(((.((((((...(((.......)))......))))))))).).))))))))))). (-28.70)