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 CAAGGGGAAGTACCAGCTCT AGTTGGTGCTATCATGCTTGTG TGAGTTGGTGCTATCATGCTTGTGTATTACGTCACAAGGGGAAGTACCAGCTCT 2 2 3' arm Ciona_intestinalis mirbase 100 cin-mir-4005b 7e-25 -26.1 .(((((((((((.((.(.((((((........)))))).)))))))))))))). (-26.10)