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 CAAAACATTCAAAACTCCCTAC AGGGAGTTTTGAATGTTGTTGTA AGGGAGTTTTGAATGTTGTTGTAAAATATTTAAACAATACAAAACATTCAAAACTCCCTAC 2 1 3' arm Acyrthosiphon_pisum mirbase 100 api-mir-3047-2 1e-23 -27.04 (((((((((((((((((.(((((..............)))))))))))))))))))))).. (-27.04)