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 CTGGGCAACATAGCGAGACCCCGT GGGATCGCGCCTGTGAATAGCCACTGT GCTGATCAGTAGTGGGATCGCGCCTGTGAATAGCCACTGTACTCCAGCCTGGGCAACATAGCGAGACCCCGTCTCTTTTG 8 3 3' arm Sus_scrofa mirbase Metazoa_SRP 1e-34 hsa-mir-1273e 0.0000009 -20.5 .......((.((((((.((.(((.((((....(((.(((.....)))....)))..))))))).)).)))).)))).... (-20.50)