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 TGTTCTGTGATCTTAAAGG TTTAAGATCACAAAACA TGTTCTGTGATCTTAAAGGACGAGACAGACAAAACCTTTAAGATCACAAAACA 2 0 5' arm Ciona_intestinalis mirbase 100 cin-mir-4016-1 0.0005 -21.06 .(((.((((((((((((((...............)))))))))))))).))). (-21.06)