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 CGTGTTGTGGAGAACGACAA GTCTGTCTACACAGCAA CGTGTTGTGGAGAACGACAATAGCGCAACTTGCTAGGTCTGTCTACACAGCAA 7 0 5' arm Ciona_intestinalis mirbase 100 cin-mir-4092 3e-24 -18.6 ..(((((((.(((..(((..(((((.....))))).)))..))).))))))). (-18.60)