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 TCGAGCAGCGGGTCGATCCGAGC CCGGATCGAACCCGTTGCGAATCGAAC CGGCCAACGGGCAGCCACACACACACACACGACCGGATCGAACCCGTTGCGAATCGAACTTGGTTTGAGTTCGAGCAGCGGGTCGATCCGAGCCATAGCCCAGCC 3 4 3' arm Drosophila_pseudoobscura mirbase mir-2518 1e-25 dps-mir-2518-4 5e-37 -47.6 .(((....((((...........(......)..((((((((.((((((((...((((((((.....)))))))))))))))))))))))).......)))).))) (-47.60)