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 TCAGTGCATGACAGAACTTGG AGGTTCTGTGATACACTCCGACT CGGCCCAGGTTCTGTGATACACTCCGACTCGGGCTCTGGAGCAGTCAGTGCATGACAGAACTTGGGCCCGGACGGACCTT 2 2 3' arm Sus_scrofa mirbase mir-148 1e-30 bta-mir-152 6e-39 -38.7 .((((((((((((((.((.((((..((((...(((....))))))))))).)).))))))))))))))............ (-38.70)