TABLE 3.

Genetic polymorphism of H5N1 virus’ HA gene among the antigenicity associated sites identified by using a sparse learning method.

Position
Group	H5	45	71	83	86	94	120	124	133	140	141	154	156	162	174	175	184	210	227	252	263	282
	H3	54	80	91	94	101	125	129	137	144	145	158	160	166	178	179	188	214	231	256	266	285
	H1	48	76	87	90	98	122	129	136	144	145	158	160	166	178	179	188	214	231	256	267	286
ABCD		D	I	A	A	D/N	S	N/S/D	S	K	S	N	A	R	V	L	A	V	E/D	Y	A	M
Clade 0		N	I	A	A	N	S	N	S	R	S	N	A	R	V	L	A	V	E	Y	T	M
Clade 1		D	I	A	A/V	N/V	S/N	S	S/A	K	S	N	T/A	R	V	M/L	A	V/T	E	Y	T/A	M
Clade 2.1		D	I	A	A	N	S	D	S	K	S	N	A	R	V	L	A	V	E	Y	A	M
Clade 2.2		D	L	I	A/V	N	S	D	S	R/G	S/P	D/N	A	R/I/K	V	L	A/E	V	E	N	T/A	I
Clade 2.3.1		D	I	A	A	N	S	D	S	K	S	N	A	R	V	L	A	V	D	Y	A	M
Clade 2.3.2		N	I	A	A	N	D	D	S	N	S	G/D	A	K	V	L	E	V	D	Y	T	M
Clade 2.3.3		D	I	A	A	N	S	D	S	K	S	N	A	R	V	L	A	I	D	Y	A	M
Clade 2.3.4		D	I/N	A	A	N	S/N	D	S/A	T/M	P	N	T/K	R/S	I	L	A/E	V	D	Y	A	I
Clade 4		D	I	A	A	D	S	N	S	E	S	N	S	R	V	L	A	V	E	Y	A	M