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 TAGCAAGAGAACCATTACCATT TGGTAACGGTTTCCTTGCCATT TGGGTATAGCAAGAGAACCATTACCATTACTAAACTCAGTAATGGTAACGGTTTCCTTGCCATTCCCA 4 0 5' arm Homo_sapiens mirbase mir-451 1e-18 hsa-mir-451 4e-33 -34.3 .(((.((.(((((..((((.(((((((((((......))))))))))).))))..))))).)).))). (-34.30)