Table 1.

Amino acid chemical and size classifications used in the count-based featurization; modified from Pommié, 2004³⁸.

Size\Chemical Class	Aliphatic	Aromatic	Acidic	Basic	Hydroxilic	Sulfuric	Amidic
Very Large		F, W, Y
Large	I, L			K, R		M
Medium	V		E	H			Q
Small	P		D		T	C	N
Very Small	A, G				S