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 AAAAGCTGGGTTGAGAGG TCTCTTCCCAGTTCTTCT TTCTCTTCCCAGTTCTTCTTGGAGTCAGGAAAAGCTGGGTTGAGAGG 4 0 3' arm Pan_troglodytes mirbase mir-320 4e-17 hsa-mir-320d-2 9e-21 -23.1 (((((..(((((((.((((((....)))))).)))))))..))))). (-23.10)