Table 1.
The main differences in some amino acids of the VP2 gene of CPV strains analyzed in this study
| Strains | Origin | Year | Accession no. |
Place of amino acid site |
Gene type | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 426 | 427 | 436 | 440 | 445 | 450 | 474 | 476 | 512 | 515 | 577 | 580 | |||||
|
Reference strains | ||||||||||||||||
| CPV-15 |
U.S. |
1984 |
M24003 |
N |
D |
I |
T |
T |
T |
F |
T |
P |
S |
Q |
P |
CPV-2a |
| CPV-V120 |
Vietnam |
2000 |
AB054215 |
N |
D |
I |
T |
T |
T |
F |
T |
P |
S |
Q |
P |
CPV-2a |
| CPV-39 |
U.S. |
1984 |
M74849 |
D |
D |
I |
T |
T |
T |
F |
T |
P |
S |
Q |
P |
CPV-2b |
| CPV-Taichung |
Taiwan |
2004 |
AY869724 |
D |
D |
I |
T |
T |
T |
F |
T |
P |
S |
Q |
P |
CPV-2b |
| CPV-G7/97 |
Germany |
1997 |
FJ005196 |
E |
D |
I |
T |
T |
T |
F |
T |
P |
S |
Q |
P |
CPV-2c |
|
Chinese strains | ||||||||||||||||
| CPV-JS1 |
Nanjing |
2009 |
KC556927 |
N |
H |
- |
- |
N |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS2 |
Nanjing |
2009 |
KC556928 |
N |
H |
F |
A |
N |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS3 |
Nanjing |
2009 |
KC556929 |
N |
H |
- |
A |
N |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS4 |
Nanjing |
2009 |
KC556930 |
N |
H |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS11 |
Nanjing |
2010 |
KC556931 |
N |
- |
- |
- |
N |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS12 |
Nanjing |
2010 |
KC556932 |
N |
- |
- |
A |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS13 |
Nanjing |
2010 |
KC556933 |
N |
- |
- |
A |
- |
- |
- |
- |
- |
- |
- |
T |
CPV-2a |
| CPV-JS14 |
Nanjing |
2010 |
KC556934 |
N |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
T |
CPV-2a |
| CPV-JS15 |
Nanjing |
2010 |
KC556935 |
N |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
T |
CPV-2a |
| CPV-JS16 |
Nanjing |
2010 |
KC556936 |
N |
- |
- |
A |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS17 |
Nanjing |
2010 |
KC556937 |
N |
- |
- |
A |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS18 |
Nanjing |
2010 |
KC556938 |
N |
- |
- |
- |
N |
- |
- |
- |
H |
- |
- |
- |
CPV-2a |
| CPV-JS38 |
Nanjing |
2011 |
KC556939 |
N |
- |
- |
A |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS39 |
Nanjing |
2011 |
KC556940 |
N |
- |
- |
A |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS40 |
Nanjing |
2011 |
KC556941 |
N |
- |
- |
A |
N |
- |
- |
- |
- |
F |
H |
T |
CPV-2a |
| CPV-JS41 |
Nanjing |
2011 |
KC556942 |
N |
H |
- |
- |
N |
N |
- |
- |
H |
- |
- |
T |
CPV-2a |
| CPV-JS42 |
Nanjing |
2011 |
KC556943 |
N |
H |
- |
A |
N |
- |
- |
- |
H |
- |
- |
- |
CPV-2a |
| CPV-JS43 |
Nanjing |
2011 |
KC556944 |
N |
- |
- |
- |
- |
- |
S |
- |
- |
- |
- |
T |
CPV-2a |
| CPV-JS44 |
Nanjing |
2011 |
KC556945 |
N |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS45 |
Nanjing |
2011 |
KC556946 |
N |
H |
- |
A |
N |
N |
- |
- |
H |
F |
- |
- |
CPV-2a |
| CPV-JS46 |
Nanjing |
2011 |
KC556947 |
N |
- |
- |
- |
N |
- |
- |
I |
- |
- |
- |
- |
CPV-2a |
| CPV-JS47 |
Nanjing |
2011 |
KC556948 |
N |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS58 |
Nanjing |
2012 |
KC556949 |
N |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS59 |
Nanjing |
2012 |
KC556950 |
N |
- |
- |
A |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS60 |
Nanjing |
2012 |
KC556956 |
D |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2b |
| CPV-JS61 |
Nanjing |
2012 |
KC556951 |
N |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS62 |
Nanjing |
2012 |
KC556952 |
N |
- |
- |
A |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS63 |
Nanjing |
2012 |
KC556957 |
D |
- |
- |
A |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2b |
| CPV-JS64 |
Nanjing |
2012 |
KC556953 |
N |
- |
- |
A |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS65 |
Nanjing |
2012 |
KC556954 |
N |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
CPV-2a |
| CPV-JS66 | Nanjing | 2012 | KC556955 | N | - | - | A | - | - | - | - | - | - | - | - | CPV-2a |
Identical amino acids are represented by -.