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 TGGAATGTAAAGAAGTATGGAG CCGTACTTCTTGTATGTTCGCATA CCGTACTTCTTGTATGTTCGCATAGTGTGCGCGAGCCATTTGGCCGAATTTTACGACGTATGGAATGTAAAGAAGTATGGAG 2 2 3' arm Acyrthosiphon_pisum mirbase mir-1 4e-40 ame-mir-1-1 0.000000001 -30.8 (((((((((((.(((((((.(((((((((..((.(((....))))).....))).)).)))))))))))))))))))))).. (-30.80)