Table 6 The categorization of the standard amino acid nodes based on the seven physicochemical properties

Hydrophobicity

A, C, F, G, H, I, L, M, N, P, Q, S, T, V, W, Y

D, E

K, R

Normalized

C, F, I, L, M, V, W

A, G, H, P, S, T, Y

D, E, K, N, Q, R

Polarity

A, C, D, G, P, S, T

E, I, L, N, Q, V

F, H, K, M, R, W, Y

Polarizibility

C, F, I, L, M, V, W, Y

A, G, P, S, T

D, E, H, K, N, Q, R

Charge

A, D, G, S, T

C, E, I, L, N, P, Q, V

F, H, K, M, R, W, Y

Secondary structures

D, G, N, P, S

A, E, H, K, L, M, Q, R

C, F, I, T, V, W, Y

Solvent accessibility

A, C, F, G, I, L, V, W

H, M, P, S, T, Y

D, E, K, N, R, Q