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 CATTGCACTAGTCTCAGTCTGC AGGCGGAGACTGGAGCAAGTGCT GTCTGGACGGCGCGAGCAGGCGGAGACTGGAGCAAGTGCTCTACACTCGTGGTGGCATTGCACTAGTCTCAGTCTGCCCGAGTCGCCGCCC 2 1 3' arm Petromyzon_marinus mirbase 100 100 -49.4 ....((.(((((((.((((((.((((((((.((((.((((((((....)))).)))))))).)))))))).)))))).))...))))))). (-49.40)