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 CGCGTCTTGTTCTACTCACC TGATGTAGAACAAGGCATGCGCA ACTGATGTAGAACAAGGCATGCGCAAACAACCGCGCGTCTTGTTCTACTCACC 2 3 3' arm Ciona_intestinalis mirbase 100 cin-mir-4056 3e-24 -25.4 ..(((.((((((((((((..((((........))))))))))))))))))).. (-25.40)