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 GCAGTTCGCGATAAGCGGCCG ATCGTTTATCGCGAACCGCTA ATCGTTTATCGCGAACCGCTATGTGATTTAAAATTTAGCAGTTCGCGATAAGCGGCCG 4 0 3' arm Acyrthosiphon_pisum mirbase 100 100 -28.6 .(((((((((((((((.((((.((........)).)))).)))))))))))))))... (-28.60)