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 AGTAGGACGTTTCCTCCCGCGTG CGCGGGATGAGATGTCCTACTTT AAGGGAGAAAAGTAGGACGTTTCCTCCCGCGTGTAAAATTTCAAACACGCGGGATGAGATGTCCTACTTTTTTCCCGC 1 0 5' arm Bombyx_mori mirbase 100 bmo-mir-2775a 0.00000001 -54.8 ..(((((((((((((((((((((.((((((((((..........)))))))))).))))))))))))))))))))).. (-54.80)