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 TGGAACTTATACGAACAGGC CACTTCGCTTAAGTTTA TGGAACTTATACGAACAGGCTGCTTTGTACTCGGTCACTTCGCTTAAGTTTA 6 0 5' arm Ciona_intestinalis mirbase 100 cin-mir-4001a-1 1e-23 -13.5 ..(((((((..((((..(((((.........)))))..))))..))))))). (-13.50)