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 CAGTGCAATGTTAAAAGGGCAT GCTCTTTTCACATTGTGCTACT CGGGCCGGAGCTCTTTTCACATTGTGCTACTGTCTGCACCTATCACTAGCAGTGCAATGTTAAAAGGGCATTGGCCACG 5 0 3' arm Sus_scrofa mirbase mir-130 4e-31 bta-mir-130a 2e-32 -33.64 ((((((((.((((((((.((((((..((.(((..............))).))..)))))).)))))))).)))))).)) (-33.64)