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 TCACCGGGTGAACATCCATTGC AGTGGGTGTCTGCCTCGGTCTGAAG GTGCATTCAGTGCAGCCCGCAGTGGGTGTCTGCCTCGGTCTGAAGTGTGAGATGCATGATCCTCCGTTCTTCACCGGGTGAACATCCATTGCGGGCGCATGCACC 2 3 3' arm Pristionchus_pacificus mirbase 100 100 -54.2 (((((.....(((.(((((((((((((((..(((.((((..((((...(((..........)))....)))))))))))..))))))))))))))))))))))). (-54.20)