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 TGCCTGGCTCCCTGTATGCCA GCGTACAGAGTAGTCAAGCATG GTCGTGCCTGGCTCCCTGTATGCCACAAGAAAACATCGATTTAGTTTCAAAATCGATCACTAGTGGCGTACAGAGTAGTCAAGCATGAC 2 1 5' arm Arabidopsis_thaliana mirbase mir-160 5e-43 aly-MIR160b 4e-43 -42.3 (((((((.(((((.((((((((((((.((.....((((((((.......))))))))..)).))))))))))).).))))).))))))) (-42.30)