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 AGCTCGTGTCCCAAGGCGCCT GCGCCTGCGAACGCAAGCTCT CGGCGAGCAATACTCATAACTCCCAAGCGCCTGCGAACGCAAGCTCTCCTTACCCCGGTGCAGATGGAGCTCGTGTCCCAAGGCGCCTCCAGGCCTAAACCCGGGCCTGC 7 0 3' arm Danio_rerio mirbase 100 100 -42.8 .((.(((............)))))..((((((....((((.((((((.(((((....))).))..)))))).))))....))))))...(((((((......))))))). (-42.80)