The amino acid scattering lengths for hydrogenated amino acids in H 2O and D 2O, and deuterated in D 2O were obtained from "The study of biological Volume can also be determined as the sum of the volumes of the individual aminoĪcids (in the case of this program, volumes obtained from a consensus of a number of techniques Weight) which will determine the scattering length of the protein. Sample conditions (which affect both the proteins scattering length and molecular Neutron scattering properties calculator allows you to state your solution and Hydrogen's when a protein/peptide is deuterated. To the exchange of labile hydrogen's) and % deuteration of non-exchangeable The scattering length of eachĪmino acid will vary with both the solution D 2O concentration (due Length of each element within a given residue. Length of each individual amino acid within a polypeptide, which in turn, can be calculated from the sum of the scattering Scattering length ( b) can be calculated as the sum of the scattering Protein neutron scattering properties and therefore remove the need for The purpose of this application is to automate calculations of % deuteration (0-100%) and % labile hydrogen exchange (0-100%). User defined sample variables such as solution D 2O content (in % of total solution volume), Length density (in 10 -6 Å -2) of a protein from it's primary structure (in single letter format) based on Molecular weight (in kilodaltons), scattering length (in 10 -4 Å) and scattering The biomolecular neutron scattering length denisty calculator calculates a number of properties of a protein including the B iomolecular S cattering L ength D ensity C alculator
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