. 2011 Jan 4;156(1):72–80. doi: 10.1016/j.virusres.2010.12.020

Table 1.

Differences in the predicted amino acid sequences, virulence in cats, and cell proliferation between strain FIPV 79-1146 and mar mutant viruses.

Virus	ORF 1ab	ORF 2 (S)		ORF 3abc	ORF 4 (E)	ORF 5 (M)	ORF 6 (N)	ORF 7		Pathogenicity in cats	Proliferation of cells
		S1	S2					a	b		Monocyte	Macrophage
FIPV 79-1146	*	*	*	*	*	*	*	*	*	High	High	High
mar 6-4-2.C2	*	T → K (554)^a^,^b	*	*	*	*	*	*	*	High	High	High
mar 7-4-1.C2	*	A → V (480)^a	*	*	*	*	*	*	*	High	High	High
		R → C (647)^a^,^b
mar 6-4-2.7-4-1	*	A → V (480)^a	*	*	*	*	*	*	*	Moderate to low	Moderate to high	Moderate to low
		T → K (554)^a^,^b
		R → K (647)^a^,^b
mar 5-7-2.C1	*	L → S (589)^a^,^b	*	*	*	*	*	*	Deleted (N-terminal 29aa)	Low	High	High
mar 5-7-2.C2	*	M → T (542)^a^,^b	*	*	*	*	*	*	Deleted (N-terminal 29aa)	Low	Low	Low
		L → S (589)^a^,^b
mar 5-7-2.7-4-1	*	M → T (542)^a^,^b	*	*	*	*	*	*	Deleted (N-terminal 29aa)	Low	Low	Low
		L → S (589)^a^,^b
		R → L (647)^a^,^b

The predicted amino acid sequence conserved between strain FIPV 79-1146 and FIPV mar mutant virus indicated by asterisks.

These information were referred to the article by Kida et al. (1999).

Amino acids present in the neutralizing epitope (A1 and A2 sites) of FIPV 79-1146 (Corapi et al., 1995, Kida et al., 1999).