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 AACTCCCTCAGAACAGGCCAGCT CTGGTCGTATTGAGGGAGAGAA TGTAGGCATAAGAACTCCCTCAGAACAGGCCAGCTGAACACTTATATTTCTTCCTGGTCGTATTGAGGGAGAGAAATGTTTTCC 5 1 5' arm Branchiostoma_floridae mirbase SNORA27 2e-20 100 -27.4 ...((((((.....(((((((((.((.((((((..(((.........)))...)))))))).)))))))))....))))))... (-27.40)