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 TGCCAAAGGAGAGTTGCCCTG GGGCACCTCTCTCCTGGCAAG AACAATAGGGCACCTCTCTCCTGGCAAGTAAAAAGGGCTCAGTGCCAATAACTTGCCAAAGGAGAGTTGCCCTGTGGCT 3 0 3' arm Medicago_truncatula mirbase mir-399 0.000000001 mtr-MIR399l 1e-39 -41 ....((((((((.((((((..((((((((......(((.....)))....))))))))..)))))).)))))))).... (-41.00)