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 TGCGTAGGCGTTGTGCACAGTG TGTGCATTTCTCCCACGCATA CGAACCTCACTCTAATGTGTTGCGTAGGCGTTGTGCACAGTGACGTATTACATAATTCCTGTGCATTTCTCCCACGCATAGCGTTGAAGTGAAATGTCATC 5 0 5' arm Saccoglossus_kowalevskii mirbase 100 spu-mir-242 0.000005 -36.6 .((...(((((.((((((..(((((.((.(..((((((((.((..(((...)))..))))))))))..).)).)))))..)))))).)))))....))... (-36.60)