Molecular characterization of porcine circovirus 2 isolated from diseased pigs co-infected with porcine reproductive and respiratory syndrome virus

Table 1 The distribution of amino acids at polymorphic sites in ORF1, ORF2, and ORF3, from 45 PCV2 strains

	Amino acid position	The distribution of amino acids at the polymorphic sites
ORF1	33	8 D	37 E
	77	23 F	22 L
	105	18M	27 I
	121	4 S	41T
ORF2	2	14 F	31Y
	30	39V	6 L
	53	39F	6I
	57	34V	12 I
	59	15R	7K	23A
	63	25R	11K	5S	4T
	75	39N	6 K
	76	40I	5L
	77	37N	8D
	87	8 T	37 S
	89	31P	14K
	90	13R	13I	19L
	91	22T	13S
	92	23V	12I
	134	9N	36T
	151	28T	17P
	169	10R	33S	2G
	190	19T	14S	12A
	191	5R	13A	27 G
	206	30I	15K
	210	13E	14D
	215	8I	37V
ORF3	29	34T	11A
	40	12 R	10S	23G
	88	41Q	4E
	100	25F	20L
	101	9Y	9N	6D	21H
	102	32Q	13K

ISSN: 1743-422X