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 TCAGGTACCTGAAGTAGCGCGCG CGCGCTACTCCGGCGCCAGGACT CAGGCGGCAGCGCCGCGCGCTACTCCGGCGCCAGGACTGTCCTCACCGAGTCAGGTACCTGAAGTAGCGCGCGGTGTCTCCTCCTA 4 2 3' arm Bombyx_mori mirbase mir-275 7e-42 dpu-mir-275 0.000000004 -48.5 .(((.((..((((((((((((((((.((..((..((((..........)))).))..)).).)))))))))))))))..)).))). (-48.50)