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 AGAAGGAAGTTGAATTCATTTA AATGAGCTTAATTTCTTTTTTT AGAAAGAAGGAAGTTGAATTCATTTAGAAAAGAGAATTCCAAATGAGCTTAATTTCTTTTTTTCT 2 0 5' arm Pongo_pygmaeus mirbase 100 hsa-mir-1252 1e-23 -22.7 (((((((((((((((((.(((((((.(((.......))).))))))).))))))))))))))))) (-22.70)