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 CCCCCGAGGAGGACGAGGAGGA TTCCTCTTCTTCTTGGCCGGG CCCACACCTTTTCCTCTTCTTCTTGGCCGGGTTGGCTCCGCCAGCTCCCCCCGAGGAGGACGAGGAGGAGGAGGAATGA 2 1 3' arm Mus_musculus mirbase 100 100 -41.8 .((...((((((((((((((((((((..((((((((...)))))).))..)))))))))).)))))))))).))..... (-41.80)