. 2016 Jul 26;6:30382. doi: 10.1038/srep30382

Table 1. Amino acid differences between wild-type and cold-adapted H9N2 influenza viruses. ^aH9 numbering (H3 numbering).

Protein	Amino acid position	SD/01/10-wt	SD/01/10-ca
PB2	136	R	Q
	290	G	C
	505	R	L
	654	P	S
PB1	292	N	K
	361	S	N
	739	E	K
PA	27	D	N
PA	319	E	K
HA	150 (160) ^a	A	D
HA	216 (226) ^a	L	F
NP	17	G	R
NS1	184	G	R

Table 1. Amino acid differences between wild-type and cold-adapted H9N2 influenza viruses. aH9 numbering (H3 numbering).