Table 2.

Percentage of sequence identities of the complete genome and different regions of QY16 compared with those of other IBV strains.

			Gene 1		Gene 2			Gene 3		Gene 4		Gene 5	Gene 6
Strain	Genome	5′-UTR	1a	1b	S	S1	S2	3ab	E	M	4bc	5ab	N	6b	3′-UTR
LX4	89.7	95.7	88.4	90.5	86.1	79.9	91.5	95	90.3	92.7	90.4	91.6	86.4	–	98.9
YX10	96.41	100	97.1	97.2	89.6	80.7	97.6	99.7	98.9	99.6	100	99.8	96.8	97.9	99.6
Sczy3	94.5	99.4	95.1	95.4	89.5	80.7	97.2	99.5	98.6	99.2	92.9	96.1	88.1	98.7	99.3
A2	89.4	96.4	87.5	89.9	85	76.4	92.5	88.1	91.4	91.8	87.9	89.9	87.6	91.9	98.9
DY07	94.4	98.5	95.5	95.3	89.6	80.6	97.4	99.5	98.8	99.4	88.8	94.1	88.7	98.7	98.5
CQ04–1	92.5	97	92.1	93.9	86	76.6	94.4	87.7	77.5	86.8	81.1	84.0	95.7	95.7	97.5
GX-YL5	93.7	99.4	95.5	95.7	85.3	75.5	93.9	80.3	85.6	90.2	80.1	85.2	96	95.3	99.3
SAIBK	88.9	90	89.4	89.4	85.7	76.9	93.5	86.4	87.2	91.4	80.4	85.9	99.4	–	97.8
BJ	89	96.2	87.4	89.8	81.9	77.1	86	89.1	88.3	92.4	91.9	92.2	87.6	95.3	99.3
YN	89.8	92.7	89.2	90.1	85.6	76.8	93.4	86.6	87.8	93.1	80.7	86.9	96	95.3	98.2
4/91	86.9	92.1	84.5	86.3	90.5	97.5	85	80.5	81.4	90.9	85.4	88.2	86.9	74	99.3
CK/CH/LHB/130,630	86.8	92.1	84.5	86.3	90.4	96.5	85	80.5	81.4	90.9	85.4	88.2	86.8	74	98.9
CK/CH/GD/GZ14	94.6	99.4	96.4	96.9	86.5	76.2	95.5	79.2	92.5	94.9	80.1	87.5	88.4	96.2	98.9
TW2575/98	86.2	93.8	83.9	86.3	83.1	76.7	88.7	81.7	89.2	91.8	81.4	86.6	88.9	83.8	97.1
M41	85.9	93.6	85.4	87.1	82.2	78.1	85.8	82.1	88.3	90.2	85.4	87.8	87.1	–	98.9
Beaudette	86.1	93.2	85.2	86.9	82	78	85.6	81.7	88.3	90.4	70.8	80.6	86.7	69.4	99.5

“–” indicates the absence of ORF 6b.

¹The highest nucleotide identities of different regions are indicated in bold values.