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 CGCCAATGACAAACTGTTGAT CAGCAGTTGTCCATTGACGTT GCAGAAGATCAAATGAGTACCGCCAATGACAAACTGTTGATGAAGACTTTGTCACAATTATCAGCAGTTGTCCATTGACGTTATTTACCTTCGTTTTCATCG 1 2 5' arm Schmidtea_mediterranea mirbase 100 sme-mir-2149 4e-53 -29.5 ...((((((.((.((((((.((.(((((((((.((((((((((.(((...)))....)))))))))))))).))))).)).))))))..)).)))))).... (-29.50)