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 ACATCCTCATCATCATCTTCT GAGCTGGTGTAGGATTAAA AGGAGCTGGTGTAGGATTAAAGTTCATATCATCATCCACATCCTCATCATCATCTTCT 4 2 3' arm Gossypium_hirsutum pmrd 100 100 -11.45 (((((.(((((.(((((......................)))))...))))).))))) (-11.45)