Volume Ratio of a amino acid sequence
y = btd_volumeratio(x)
String of single-letter codes specifying an amino acid sequence
Volume ratio of amino acid sequence (decimal number).
Approximate Volume ratio between Interior Volume and Exterior Volume of aminoacid sequence and its unit is [Å3]
--> y = btd_volumeratio('ACDEFGHIKLMNPQRSTVWY') y = 2.675432