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 AGCGCCGCCGGCCGCACCGTT CGGCGCGGCCGATGCGCGTC CCTCCAGCGCCGCCGGCCGCACCGTTGACACGGCGCGGCCGATGCGCGTCAC CCTCCAGCGCCGCCGGCCGCACCGTTGACACGGCGCGGCCGATGCGCGTCACGGCTTCGGCCACCTTGGCGTCCGACGCGGCGAACGACAGCCGCAGGTACGGCGACAGGCCGTAGGCCGCGCCGCGCACCACCGCCACCCCTTCGGCTTCGAGCA 5 1 5' arm Strongylocentrotus_purpuratus mirnest 100 bta-mir-2886 0.0005 -26.6 ......((((...(((((((.((((....)))).)))))))..))))..... (-26.6)