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 TTGTGACCGTTATAATGGGCAT GCCTACTGTAGCGTTTACAACA ACGTTGTTGTGACCGTTATAATGGGCATATCAAGCACCAATGCAATCATAATGCCTACTGTAGCGTTTACAACAATG 2 0 5' arm Saccoglossus_kowalevskii mirbase 100 cte-mir-2001 0.000003 -31 .(((((((((((.(((((((.(((((((.....(((....))).......))))))).))))))).))))))))))) (-31.00)