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 AATGCTGTAAAATAAAGGCA CCTGCATCTTTACAGCTTCA CGCCTGCATCTTTACAGCTTCAAGTGCTGCGTTGTATTGACTGAATGCTGTAAAATAAAGGCA 5 2 3' arm Ciona_intestinalis mirbase 100 cin-mir-4062 4e-30 -22.1 .((((.....(((((((((((((((((......)))))...)))).))))))))....)))). (-22.10)