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 CTAAGTAGTACTGCCGCAGGGAG CCTGCGCAGTCCTACTTACAA GAAAGCGACTGTCTCTGTGCTAAGTAGTACTGCCGCAGGGAGTGCTGTGGACTGATTCTATCCCCTGCGCAGTCCTACTTACAACAGGGAACATTTCTAAT 3 1 5' arm Branchiostoma_floridae mirbase 100 100 -40 ((((.......(((((((..(((((((.(((((.((((((.(....(((((.....))))))))))))))))).)))))))..)))))))...)))).... (-40.00)