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 TTTGTAGGATGAAAAGGTG TCTTTTGATCCTATG TTTGTAGGATGAAAAGGTGAATACATAGCAACATGCACCAATATTAAATTTATATTTTCATCTTTTGATCCTATG 4 0 5' arm Ciona_intestinalis mirbase 100 cin-mir-4024 3e-37 -21.6 ...(((((((.((((((((((......((.....))...(((((.......))))))))))))))).))))))). (-21.60)