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 TTGTGCGTGTGACATCGGCTA GTCGGGTGTGCGCATAACT TTGTGCGTGTGACATCGGCTATGTCGGGTGTGCGCATAACT 5 2 5' arm Acyrthosiphon_pisum mirbase 100 api-mir-210-2 3e-17 -14.7 (((((((..((...(((((...))))).))..))))))).. (-14.70)