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 TGAGTTGGTATGTTTCTGGT TAGGGGAAGTACCAGCTTCA TGAGTTGGTATGTTTCTGGTAGTACTGTACGTCACTAGGGGAAGTACCAGCTTCA 4 1 5' arm Ciona_intestinalis mirbase 100 cin-mir-4005b 0.00004 -19.3 .((((((((((.(..(((((.(((...)))...)))))..)..)))))))))).. (-19.30)