Comparative analysis of complete nucleotide sequence of porcine reproductive and respiratory syndrome virus (PRRSV) isolates in Thailand (US and EU genotypes)

Table 2 Genome organization of PRRS viruses, 01CB1 and 01NP1, in this study

ORFs	01CB1			01NP1			Protein*
	Nucleotides		Amino acid	Nucleotides		Amino acid
	Position	Size	Size	Position	Size	Size
5' UTR	1-144	144	-	1-189	189	-	-
ORF1a	145-7335	7191	2396	190-7701	7512	2503	Replicase polyprotein; Nsp1alpha, beta (Papain-like cysteine protease); Nsp2 (cystein protease); Nsp3 - 8
ORF1b	7317-11708	4392	1463	7680-12071	4392	1463	RNA dependent RNA polymerase (Nsp 9 - 12)
ORF2	11719-12468	750	249	12073-12843	771	256	GP2 envelop protein
ORF3	12327-13124	798	265	12696-13460	765	254	GP3 envelop protein
ORF4	12869-13420	552	183	13241-13777	537	178	GP4 envelop protein
ORF5	13417-14022	606	201	13788-14390	603	200	GP5 envelop protein
ORF6	14010-14531	522	173	14375-14899	525	174	Matrix protein
ORF7	14521-14907	387	128	14889-15260	372	123	Nucleocapsid protein
3'UTR	14908-14943	36**	-	15261-15412	152	-	-

*Protein functions were identified based on Blast-P results and Wootton et al., 2000
** Poly A tail of 01CB1 was not identified in this study

ISSN: 1743-422X