Amino Acid Sequence to Nucleotide Sequence
y = btd_aa2nt(x)
String of single-letter codes specifying an amino acid sequence
Nucleotide sequence specified by a character string of letter codes.
Converts a amino acid sequence to nucleotide sequence
y = btd_aa2nt('KAEPLLQ')
--> y = btd_aa2nt('KAEPLLQ') y = AAAGCGGAACCTCTACTACAG