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 TTTGGCAATTGATAGAATTCACACT TGGTTCTCTCATTGCCAAGCC GCCTCTATTTTTGGCAATTGATAGAATTCACACTGTAACCTCATTATGTAATCAGTGGTTCTCTCATTGCCAAGCCTGGTG 1 4 5' arm Strongylocentrotus_purpuratus mirbase 100 sko-mir-182 0.000004 -22.2 (((......(((((((((.((.(((((...(((((..((........))...)))))))))).)))))))))))...))). (-22.20)