TABLE 3.
Protein | Expression in keratinocytes | E2F competition | Destabilization of:
|
Overrides DNA damage checkpoints | Bypasses Rb-induced quiescenceb | Extends keratinocyte life span | ||
---|---|---|---|---|---|---|---|---|
Rb | p107 | p130 | ||||||
E7 WT | ++ | ++ | ++ | ++ | ++ | ++ | ++ | ++ |
H2P | ++ | ++ | − | − | − | − | − | − |
Δ6–10 | ++ | ++ | −c | NT | NT | −d | NT | NT |
Δ21–24 | ++ | − | − | − | − | − | NT | − |
E46A | ++ | ++ | ++ | ++ | ++ | ++ | ++ | ++ |
H51A | ++ | ++ | ++ | NT | NT | ++ | NT | NT |
DST62-64AAA | ++ | ++ | ++ | NT | NT | ++ | NT | NT |
LRL65-67AAA | + | ++ | NT | NT | NT | NT | NT | NT |
R66A | ++ | ++ | ++ | NT | NT | ++ | NT | NT |
CVQ68-70AAA | + | ++ | ++ | ++ | ++ | − | ++ | − |
THV72-74AA | ++ | ++ | ++ | NT | NT | ++ | NT | NT |
Δ75–77 | ++ | ++ | ++ | NT | NT | NT | NT | NT |
R77A | + | ++ | ++ | NT | NT | ++ | NT | NT |
Δ79–83 | + | ++ | ++ | ++ | ++ | − | ++ | − |