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 TATGGCTTTCTTTTCCTGTGTG CACAGTAAAGTAAGCCATTAT TATGGCTTTCTTTTCCTGTGTGACGTCATATCTCTCACAGTAAAGTAAGCCATTATC 4 1 5' arm Ciona_intestinalis mirbase 100 cin-mir-135 1e-26 -18.6 .(((((((.((((..(((((.((.(......))).))))).)))).))))))).... (-18.60)