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 AGGCAAGATGCTGGCATAGCTGT CTGCTATGCCAACATATTGCCATC AGGCAAGATGCTGGCATAGCTGTTGAACTGAGAACCTGCTATGCCAACATATTGCCATC 4 1 5' arm Canis_familiaris mirbase mir-31 4e-24 eca-mir-31 8e-28 -27.7 .(((((.(((.(((((((((.(((........)))..))))))))).))).)))))... (-27.70)