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 TATTGCTTGAGAATACACGTAG CCGCGTATTCTTGGGACATAAC AACTTGGTTGGCCCCGCGTATTCTTGGGACATAACACATATTTAAGACTGTTATTGCTTGAGAATACACGTAGTTGACAAGT 7 0 3' arm Acyrthosiphon_pisum mirbase mir-137 4e-40 aae-mir-137-1 0.00000000000007 -28.1 .(((((.(..((..((.(((((((..((..((((((............))))))..))..))))))).))..))..)))))) (-28.10)