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 ACATGTACCGTCGCTCTGGG CAAAGTGTCGGCGCATATTC CCCAAAGTGTCGGCGCATATTCTTAAATAACCGAACATGTACCGTCGCTCTGGG 5 0 3' arm Ciona_intestinalis mirbase 100 cin-mir-4031 7e-25 -21 ((((.((((.(((..(((.(((..........))).)))..))).)))).)))) (-21.00)