Skip to main content
. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: J Struct Funct Genomics. 2011 Jun 15;12(2):137–147. doi: 10.1007/s10969-011-9113-3

Table 1.

The eight classes of residue types chosen to reduce the amino acid alphabet

4-Body class Residues Type
A E, D Acidic
B R, K, H Basic
C C Cysteine
H W, Y, F, M, L, I, V Hydrophobic
N Q, N Amide
O S, T Hydroxyl
P P Proline
S A, G Small