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 CGTAGAATCTACCATCGGATCG ATCCGGTGGTAGATTCTGCGAA GGACGTGCTTCGTAGAATCTACCATCGGATCGGAAACGCGATCCGGTGGTAGATTCTGCGAAGTACGGCTCTTGCTA 0 0 5' arm Bombyx_mori mirbase U2 0.000000001 bmo-mir-2808a-1 6e-17 -54 ...(((((((((((((((((((((((((((((......))))))))))))))))))))))))))))).......... (-54.00)