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 CTCGGTGGAAGATCGTCCCT GGACCATCGGTCTACCGAGCA AAAAAAACATTCGGACCATCGGTCTACCGAGCAATATCACCCGCTCGGTGGAAGATCGTCCCTCCGTCGTTAA 4 1 3' arm Bombyx_mori mirbase mir-2774 1e-30 bmo-mir-2774a-2 2e-23 -26.5 ............((((.(((..((((((((((..........)))))))))).))).))))............ (-26.50)