Table 2.

Phylogenetic breakdown, accession number, GC_3S and the first two axis values in CA of 11 selected viruses in order Nidovirales^a, ^b

Organisma	Accession number	GC3S(%)	f1′b	f2′b
Coronavirus
HCoV 229E	NC_002645	30.89	−0.84	−0.16
PEDV	NC_003436	37.32	−0.04	0.42
TGV	NC_002306	27.02	−0.99	−0.08
BCoV	NC_003045	29.43	−0.75	0.48
MHV	NC_001846	38.30	−0.16	0.27
AIBV	NC_001451	26.09	−0.90	−1.30
SARSCoV	NC_004718	37.23	0.05	0.36
Arterivirus
EAV	NC_002532	47.28	0.80	0.47
LDEV	NC_002534	45.18	0.53	0.43
PRRSV	NC_001961	53.76	1.31	0.55
SHFV	NC_003092	48.43	1.09	−0.14

^aOrganism abbreviation: HCoV 229E, human Coronavirus 229E; PEDV, porcine epidemic diarrhea virus; TGV, transmissible gastroenteritis virus; BCoV, bovine Coronavirus; MHV, murine hepatitis virus; AIBV, avian infectious bronchitis virus; SARSCoV, SARS Coronavirus; EAV, equine arteritis virus; LDEV, lactate dehydrogenase elevating virus; PRRSV, porcine reproductive and respiratory syndrome virus; SHFV, simian hemorrhagic fever virus.

^bf₁′ and f₂′, respectively, represent the first axis mean value and the second axis mean value in CA of each genome.