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 GGCAAGATGTCGGCATAGCTGA GGCTGTGTCACATCCAGCCAG GAAGGCAAGATGTCGGCATAGCTGATGCTTTTGAAATTTCGGCTGTGTCACATCCAGCCAGCCAAACGCTCA 2 1 5' arm Nasonia_giraulti mirbase mir-31 2e-32 nlo-mir-31a 2e-35 -27.72 ...(((..(((((.(((((((((((.............))))))))))))))))..)))............. (-27.72)