Table 3.

Pairwise amino acid (aa) sequence identity between selected AstV strains.

	PoAstV 12-3	PoAstV 12-4	PoAstV 14-4	PoAstV 16-2	Human AstV-1	Human AstV-3	Human AstV-4	Human AstV-6	Porcine AstV	Dog AstV	AstV-MLB	Bat AstV	Ovine AstV	Mink AstV	HMO AstV2	Turkey AstV-1
PoAstV 12-3		53	53	47	87	83	87	85	NA	81	64	52	47	49	52	33
PoAstV 12-4	30		94	48	52	51	52	49	NA	58	54	45	49	53	57	36
PoAstV 14-4	31	60		45	52	51	52	51	NA	59	52	47	46	44	54	35
PoAstV 16-2	29	23	24		46	48	46	45	NA	44	46	65	62	59	68	32
Human AstV-1	50	30	32	27		95	100	97	NA	80	62	51	46	51	52	30
Human AstV-3	52	32	33	28	81			93	NA	77	62	49	45	48	52	31
Human AstV-4	47	30	32	27	73	74		97	NA	80	62	51	46	51	52	30
Human AstV-6	48	30	32	28	78	80	74		NA	78	62	49	45	51	51	30
Porcine AstV	80	30	31	28	50	51	46	48		NA	NA	NA	NA	NA	NA	NA
Dog AstV	42	29	28	30	40	41	40	39	42		65	47	45	52	49	38
AstV-MLB	31	27	28	25	32	30	30	29	32	29		46	52	47	47	33
Bat AstV	30	25	25	34	30	30	28	30	29	28	26		63	64	67	31
Ovine AstV	31	25	26	50	29	29	29	29	30	31	25	34		62	64	33
Mink AstV	28	23	26	58	27	27	27	28	28	32	26	33	52		68	30
HMO AstV-2	28	25	25	54	28	28	27	27	27	29	26	33	51	51		38
Turkey AstV-1	20	18	18	21	19	20	20	19	20	22	21	18	28	28	28

Values above and below the diagonal indicate partial ORF1b (∼250 aa) identity and complete ORF2 identity respectively. Values underlined indicate inter-strain identities between the 4 porcine strains characterized in this study and values in boldface indicate identities between the 4 newly characterized porcine strains and the prototypical porcine strain (Y15938).

NA: not available.