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 ACTGGACTAGGAGTCAGAAGG CTTGGGCCCTGGGCATGT GGGAGCACTGGACTAGGAGTCAGAAGGTGGAGTTCTGGGTGCTGTTTTCCCACTCTTGGGCCCTGGGCATGTTCTG 4 3 5' arm Homo_sapiens mirbase mir-345 0.001 eca-mir-345 0.00005 -25.1 .((((((.((..(((((.(((.((..((((((..(........)..)).))))..)).)))))))).)))))))). (-25.10)