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 AAAAGCTGGGTTGAGAGGGT TTCTCTTTCCAGTTCTTCCCAGAATTGGGAAAAGCTGGGTTGAGAGGGT 6 0 3' arm Pan_troglodytes mirbase mir-320 3e-18 hsa-mir-320c-2 6e-22 -24.4 (((((..(((((((.(((((......))))).)))))))..)))))... (-24.40)