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 GCCTGGCTCCCTGTATGCCA GCGTACAAGGAGTCAAGC GCCTGGCTCCCTGTATGCCACGAGTGGATACCGATTTTGGTTTTAAAATCGGCTGCCGGTGGCGTACAAGGAGTCAAGC 2 0 5' arm Arabidopsis_thaliana micropc mir-160 2e-38 ath-MIR160c 1e-39 -42.1 ((.(((((((.((((((((((..(..(...(((((((((....))))))))))..)..)))))))))).))))))).)) (-42.10)