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 TTTTAATCATATACTTTTAGT GGACAGGGTATGAGAGAAATA ATCGGACAGGGTATGAGAGAAATAATTTTTAATCATATACTTTTAGT 8 0 3' arm Gossypium_hirsutum pmrd 100 100 0 ....((.((..(((((..((((....))))..)))))..)).))... ( -6.80)