Before revision: ClassAmino acids 1-letter codeAliphatic Glycine, Alanine, Valine, Leucine, Isoleucine G, A, V, L, IHydroxyl or sulfur/selenium-containingSerine, Cysteine, Selenocysteine, Threonine, Methionine S, C, U, T, MCyclic Proline PAromatic Phenylalanine, Tyrosine, Tryptophan F, Y, WBasic Histidine, Lysine, Arginine H, K, RAcidic and their amides Aspartate, Glutamate, Asparagine, Glutamine D, E, N, Q Physicochemical distances aim at quantifying the intra-class and inter-class dissimilarity between amino acids based on their measurable properties, and many such measures have been proposed in the literature.
After revision: ClassAmino acids 1-letter codeAliphatic Glycine, Alanine, Valine, Leucine, Isoleucine G, A, V, L, IHydroxyl or sulfur/selenium-containingSerine, Cysteine, Selenocysteine, Threonine, Methionine S, C, U, T, MCyclic Proline PAromatic Phenylalanine, Tyrosine, Tryptophan F, Y, WBasic Histidine, Lysine, Arginine H, K, RAcidic and they're amides Aspartate, Glutamate, Asparagine, Glutamine D, E, N, Q Physicochemical distances aim at quantifying the intra-class and inter-class dissimilarity between amino acids based on their measurable properties, and many such measures have been proposed in the literature.