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 CCTGTTCGTATAAGTTCCAA TGAACTTGTACGAATTGGCT TTTGAACTTGTACGAATTGGCTGAACAGCACAGCCTGTTCGTATAAGTTCCAA 4 0 3' arm Ciona_intestinalis mirbase 100 cin-mir-4002 3e-24 -27.3 ...((((((((((((((.(((((.......))))).))))))))))))))... (-27.30)