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 TTAGTGGATTCGCCTGTTGACACCGGC AGGTTAGGCAGGTCCGCCAGGG TTAGTGGATTCGCCTGTTGACACCGGCACCCTGGTCATGACCACCATCTCACCAGGGTTAGGTTAGGCAGGTCCGCCAGGG 8 5 5' arm Acyrthosiphon_pisum mirbase 100 100 -34.3 ...((((((..(((((.....(((...((((((((.(((.....)))...))))))))..))))))))..))))))..... (-34.30)