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 TAATACTGTCAGGTAAAGATGTC CATCTTACCGGGCAGCATTAGA ACTGTTAACATCTTACCGGGCAGCATTAGATTACATTTTATACTTCTAATACTGTCAGGTAAAGATGTCCTCC 3 1 3' arm Tribolium_castaneum mirbase mir-8 8e-35 tca-mir-8 5e-36 -22.44 .......((((((((((.(((((.((((((..............)))))).))))).))).)))))))..... (-22.44)