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 TGAGTTGGTTATACATTCTT GAATTTTAACCAACACA TGAGTTGGTTATACATTCTTGCGGTATTAAAGTAACAGCAAGAATTTTAACCAACACA 5 1 5' arm Ciona_intestinalis mirbase 100 cin-mir-4003a-1 3e-27 -21.6 ...((((((((...((((((((..(((....)))...))))))))..))))))))... (-21.60)