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 GAAAGCGCTTCCCTTTGCTGGA TGCAAAGGGAAGCCCTTTCTG TCTCAAGCTGTGACTGCAAAGGGAAGCCCTTTCTGTTGTCTGAAAGAAGAGAAAGCGCTTCCCTTTGCTGGATTACGGTTTGAGA 2 1 3' arm Homo_sapiens mirbase mir-515 1e-31 hsa-mir-518a-1 4e-43 -47.6 (((((((((((((((((((((((((((.((((((.((.(.....).)).)))))).)))))))))))).)).))))))))))))) (-47.60)