Coloring scheme used in C-I-TASSER

Category	Color	Residue at position
Hydrophobic	BLUE	A, I, L, M, F, W, V
Positive charge	RED	K, R
Negative charge	MAGENTA	E, D
Polar	GREEN	N, Q, S, T
Cysteines	PINK	C
Glycines	ORANGE	G
Prolines	YELLOW	P
Aromatic	CYAN	H, Y