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 TCACAGTGAACCGGTCTCTTT GGGGGCCGAGGCACTGTCCGAGA GCAGTGGGAAGGGGGGCCGAGGCACTGTCCGAGAGTGAGTAGCAGGTCTCACAGTGAACCGGTCTCTTTCCCTACTGTGT 3 2 3' arm Sus_scrofa mirbase mir-128 1e-24 bta-mir-128-2 4e-40 -39.9 ((((((((.((((((((((...((((((..((((.(........).))))))))))...)))))))))).)))))))).. (-39.90)