Use Chou’s 5-Step Rule to Classify Protein Modification Sites with Neural Network

Table 1

Groups of amino acid residues according to EBAG + Profile encoding.

Group	Amino acid residue	Label
C1	A, F, G, I, L, M, P, V, W	Hydrophobic
C2	C, N, Q, S, T, Y	Polar
C3	D, E	Acidic
C4	H, K, R	Basic
C5	X	Gaps