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 AAAGAATAGAAAATCGAAGGTG CCTTCGATTTTCTATCCTTTTA CCTTCGATTTTCTATCCTTTTATAATTTTTGGAATAAAAGAATAGAAAATCGAAGGTG 3 0 3' arm Acyrthosiphon_pisum mirbase 100 100 -24.9 (((((((((((((((.(((((((..........))))))).))))))))))))))).. (-24.90)