Table 2.

Comparisons of genomic sequence identities between porcine reproductive and respiratory syndrome virus KU-N1202 and VR-2332, five Korean PRRSV-2 isolates, and MN184C.

	VR2332	CP07–626–2	CA-2	KNU-12-KJ4	e417-2	LMY	MN184C
Nucleotides
Complete	85.0	92.1	89.4	90.4	89.9	83.2	86.8
5′ UTR	92.1	N.D.a	90.5	95.2	N.D.a	91.5	90.5
ORF1a	77.3	91.3	88.7	88.8	89.4	75.8	86.0
ORF1b	90.7	95.1	90.1	92.5	92.0	89.0	86.3
ORF2	93.5	90.5	88.4	90.1	92.3	94.0	90.0
ORF2b	96.3	91.8	91.8	93.2	94.1	95.9	93.2
ORF3	90.0	94.1	88.4	92.5	85.0	87.0	85.2
ORF4	88.4	95.1	94.5	94.0	86.0	87.8	86.7
ORF5	99.1	84.9	85.4	86.0	88.0	90.8	86.4
ORF5a	99.3	88.4	89.1	87.8	88.4	90.3	86.5
ORF6	99.0	92.1	92.9	91.8	95.0	96.7	92.7
ORF7	96.5	93.2	94.0	92.4	89.5	93.5	92.2
3′ UTR	93.3	N.D.a	97.3	99.3	N.D.a	92.7	96.0
Amino acids
nsp1a	96.1	94.4	92.7	93.3	93.3	96.1	93.3
nsp1b	76.3	90.1	86.6	87.1	86.6	78.3	86.6
nsp2	67.7	88.5	83.9	83.0	84.3	65.6	82.9
nsp3	95.6	94.3	96.9	95.6	96.5	93.9	96.9
nsp4	93.1	93.6	97.5	96.5	98.0	92.1	94.6
nsp5	85.2	91.7	91.7	92.3	91.7	86.4	84.7
nsp6	100.0	100.0	100.0	100.0	100.0	100.0	100.0
nsp7a	93.2	95.3	94.6	96.6	95.3	92.6	89.9
nsp7b	76.3	88.1	87.2	86.3	85.4	74.5	76.3
nsp8	86.6	86.6	86.6	88.8	80.0	86.6	84.4
nsp9	95.9	98.1	96.6	97.9	96.6	95.3	95.4
nsp10	96.8	97.9	96.1	97.5	95.4	97.2	94.1
nsp11	95.5	96.4	92.8	94.1	95.0	94.6	93.2
nsp12	93.4	96.7	92.8	96.0	94.1	90.8	93.4
GP2	93.7	90.2	88.6	90.2	91.7	92.5	88.2
E	95.8	91.7	90.4	94.5	93.1	97.2	93.1
GP3	88.9	92.1	87.7	91.3	84.6	87.4	84.2
GP4	86.5	94.3	94.9	92.6	87.0	89.3	89.8
GP5	99.5	86.0	86.0	87.5	85.5	88.5	84.5
ORF5a protein	100.0	78.4	80.3	76.4	80.3	92.1	78.4
M	99.4	95.9	95.9	93.6	97.7	98.8	95.9
N	100.0	97.5	96.7	95.1	95.9	99.1	95.1

^aNot determined in this study because there is no information regarding each 5′ or 3′ end of the reference strains.