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 AGGACCTGCGGGACAAGATTCTT GATTGTCCTGCAGATCAACA CAACTACAGCCACTACTACAGGACCATCGAGGACCTGCGGGACAAGATTCTTGGTGCCACCATTGAGAACGCCAGGATTGTCCTGCAGATCAACAATGCTCAACTGGCTGCAGATG 3 3 5' arm Homo_sapiens mirbase mir-492 4e-41 ptr-mir-492 4e-56 -41.52 ...((.((((((.........((.(((.(..((.(((((((((((...((((((((.............))))))))))))))))))).))..).))).))...)))))).))... (-41.52)