Genetic evolution of low pathogenecity H9N2 Avian influenza viruses in Tunisia: acquisition of new mutations

Table 5 Analysis of the amino acid sequences of the NA, PB2 and NP proteins of Tunisian isolates with reference strains

VIRUS	NA							PB2				NP
	Neuraminidase active site(HB)				Framework site
	366.	373	399.	406	431.	433	425	547	627	661	702	402	422	430	442	455	480
A/Ck/TUN/12/2010	IKKDL RAG		DSDNW SGY		PQ E		E	I	E	A	K	F	R	K	T	D	D
A/MB/TUN/51/2010	IKKDLRAG		DSDNWSGY		PQE		E	I	E	A	K	F	R	K	T	D	D
A/Av/SA/910136/06	IKEES RAG		DSDNL SGY		PQE		E	I	E	A	K	S	R	K	T	D	D
A/Av/SA/910135/06	IKKDLRAG		DSDNWSGY		PQE		E	I	E	A	K	S	R	K	T	D	D
A/Ck/Du/338/01	IKKDLRAG		DSDNWSGY		PQE		E	V	E	A	K	S	R	K	T	D	D
A/Ck/Du/339/01	IKKDLRAG		DSDNWSGY		PQE		E	V	E	A	K	S	R	K	T	D	D
A/Ck/Du/383/02	IKKDLRAG		DSDNWSGY		PQE		E	V	E	A	K	S	R	K	T	D	D
A/Ck/Du/463/03	IKKDLRAG		DSDNWSGY		PQE		E	V	E	A	K	S	R	K	T	D	D
A/Ck/Em/R66/02	IKKDLRAG		DSDNWSGY		PQE		E	V	E	A	K	S	R	K	T	D	D
A/Ck/Is/386/07	IKKDS RAG		DSDNWSGY		PQE		E	V	E	A	K	S	R	K	T	D	D
A/Ck/Is/292/08	IKKDS RAG		DSDNWSGY		PQE		E	V	E	A	K	S	R	K	T	D	D
A/Ck/Pak/UDL-01/05	IKKDS RAG		DSDNWSGY		PQE		E	V	E	V	K	S	R	K	T	D	D
A/Ck/Pak/UDL-01/08	IKKDS RAG		DSDNR SGY		PQE		E	V	E	A	K	S	R	K	T	D	D
A/Qu/HK/G1/97	IKKDS RAG		DSDNWSGY		PQE		E	V	E	T	K	S	R	K	T	D	D
A/DK/HK/Y280/97	IKE DS RAG		DSDIR SGS		PQE		E	V	E	V	K	S	R	K	T	D	D
A/Ck/HK/G9/97	IKKDS RAG		DSDNWSGY		PK E		E	V	E	T	K	S	R	K	T	D	D
A/Ck/HK/342/78(H5N1)								V	E	A	K
A/Ck/HK/485/97(H5N1)								V	E	A	K
A/Ck/Ch/NARC/148/04(H7N3)								V	E	A	K	S	R	K	T	D	D
A/Ck/Pa/34668/95(H7N3)								V	E	A	K
A/Ck/HK/156/97(H5N1)												F	R	K	T	D	D
A/Dk/HK/Y283/97(H5N1)												S	R	K	T	D	D
A/Ck/HK/Y388/97(H5N1)												S	R	K	T	D	D
A/Qu/HK/FB801/01(H6N1)												S	R	K	T	D	D
A/Ck/Pa/34668/95(H7N3)												S	R	K	T	D	D

ISSN: 1743-422X