Feline Coronavirus 3c Protein: A Candidate for a Virulence Marker?

Table 3

Mean, maximum, and minimum nucleotide identities of 3a–c, E, and M FCoV genes from different clones.

Identification	3a gene			3b gene			3c gene			E gene			M gene
	Mean (%)	Max (%)	Min (%)	Mean (%)	Max (%)	Min (%)	Mean (%)	Max (%)	Min (%)	Mean (%)	Max (%)	Min (%)	Mean (%)	Max (%)	Min (%)
USP2/Faeces/PIF−/local1	99.83	100.00	99.50	100.00	100.00	100.00	99.45	99.50	99.40	99.75	100.00	99.50	99.52	99.80	99.30
USP6/Stomach/PIF+/local7	99.67	100.00	99.50	100.00	100.00	100.00	99.92	100.00	99.80	99.90	100.00	99.50	99.77	99.80	99.70
USP6/Faeces/PIF+/local7	100.00	100.00	100.00	99.03	99.50	98.60	99.20	99.20	99.20				99.77	99.80	99.70
USP7/Cerebrum/PIF+/local3	99.02	100.00	98.10	96.39	100.00	88.10	99.79	100.00	99.70	99.53	100.00	99.10	99.48	100.00	99.40
USP7/Faeces/PIF+/local3	99.42	100.00	97.10	92.16	100.00	83.30	97.29	100.00	95.50	100.00	100.00	100.00	99.54	100.00	99.10
USP8/UB/PIF+/local6	98.70	99.50	98.10	99.89	100.00	99.50	99.73	100.00	99.20
USP14/Faeces/PIF−/local4	95.86	100.00	91.50	98.96	100.00	97.70	99.48	100.00	98.80
USP16/Cerebrum/PIF+/local5	99.42	100.00	99.00	99.33	99.50	99.00	100.00	100.00	100.00	99.83	100.00	99.50	99.70	100.00	99.40
USP17/Cerebrum/PIF+/local2	99.25	100.00	98.50	97.92	100.00	94.50	99.33	100.00	98.50	99.67	100.00	99.50	99.18	99.60	98.70
USP17/LI/PIF+/local2	99.50	100.00	99.00	99.03	99.50	98.60	99.50	99.50	99.50	99.67	100.00	99.50
USP18/Cerebrum/PIF+/local2	98.70	99.50	98.10	98.68	100.00	98.10	99.80	99.80	99.80	100.00	100.00	100.00	99.53	99.60	99.40
Intestinal samples	97.70	100.00	91.50	92.09	100.00	81.50	95.64	100.00	93.20	93.87	100.00	91.10	99.59	100.00	99.10
Extraintestinal samples	99.38	100.00	98.10	90.09	100.00	75.60	95.37	100.00	92.70	95.19	100.00	89.90	99.53	100.00	98.70

Max: maximum; Min: minimum; LI: large intestine; UB: urinary bladder.
Samples that only one clone was obtained or no clone was obtained at all.