TABLE 1.
Characteristic | CSB activity
|
|||||
---|---|---|---|---|---|---|
CSBwt | Vector | CSBE8646Q | CSBT912-913V | CSBQ942E | CSBR946A | |
Protein | ||||||
ATPase activity | +++ | ND | ÷ | + | + | ND |
ATP binding | +++ | ND | +++ | +++ | +++ | ND |
DNA binding | +++ | ND | +++ | ++ | ++ | ND |
Cellular | ||||||
UV survival | +++ | ÷ | ÷ | ÷ | ÷ | ÷ |
γ survival | +++ | ÷ | ND | ++ | + | + |
8-oxoG incision | +++ | ÷ | +++ | ++ | + | + |
3-AB survival | +++ | ÷ | ÷ | + | + | ÷ |
+++, same activity as CSBwt protein; ++, lower but still significant activity; +, deficient but residual activity; ÷, deficient; ND, not determined.